xt7h445hcw34 https://exploreuk.uky.edu/dips/xt7h445hcw34/data/mets.xml Alabama Alabama Museum of Natural History 1924 Other titles include: Alabama Museum of Natural History museum paper, Geological Survey of Alabama, Museum of the Geological Survey of Alabama. Other creators include: United States. Work Projects Administration, Geological Survey of Alabama, Tennessee Valley Authority. Issues for 1, 3 carry no series numbering. No. 2 also as Education papers no. 1. UK holds archival copy for ASERL Collaborative Federal Depository Program libraries. Call number  AS36 .A2. journals  English University, Ala. : Alabama Museum of Natural History, 1910-1960 This digital resource may be freely searched and displayed in accordance with U. S. copyright laws. Alabama Works Progress Administration Publications Museum Paper, no. 7, 1924 - including "The Genus Gyrotoma" by Calvin Goodrich text Museum Paper, no. 7, 1924 - including "The Genus Gyrotoma" by Calvin Goodrich 1924 1924 2015 true xt7h445hcw34 section xt7h445hcw34 i
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  . M ·0f‘ other work SOOI`l`I`l`l3dé it rgecessairy for   'Pilsljiry to“drop.0ut; and Mr."Sm€l`
    tl1e;Bleuroeerjdae,_ir1 xiil1ichA·lie 7Had long been specially»—interestcd._‘ _ i ~ 1 _·
  AV , _- Atter 1\Ir:Smith?s cleatla, at the;éuggesrtibnwjf,-Dr; \?\Talkér, our specimens rn ~
  ‘  and G3?r0!0nza;.1yith Mr, 1Smith·’s‘·Ai1otveis on tlichij werét__turn‘ed=owie_r_ to°_1\f[’r. G0 i
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it  ” ·4', utlier`_ger1e_ra·iniA‘a-Asi111ilar rriaimcr as soon as `pO`SSl_bi€.· ‘ ‘‘`{ i ” ,   Q »— A -\ _
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F    Dr;"XVallce—r these two papers have been publislxeél first bytl1e“University`of Miclz
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    underviour own covers. For`this·_Aa’rrangemént‘our sincere thanks are due to the ·
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  ·j·_ The publications of the Museum of Zoology, University of MiT:li§;ba1r12
lr i -1 ‘ . . . — . - · i.
li ,11 T consist ot two S€1`1€S—Tl1€ Occasional Papers and the Miscellaneous l-’rP0lV€
  i A;   i cations. Both series were founded bv Dr, ljryant \\iallS€ llbiif The Alabama Museum collection of Gyrotomae is, of course, unparalleled. A  
dC5€1`lt>i$ It contains thousands of specimens carefully labelled and so painstakingly k,  
I the ·l¤` cleaned that color and sculpture can be made out quickly and with certainty. `  
Cl`lZU`7l€l'iY Notes by Mr. Smith upon his labels and observations he made in his cor- I  
small.   respondence with Dr. \\ialker have been invaluable in this study.    
te"; iiit ' ·, i
Rel) mi The genus is contined to the Coosa River. It has not been found even   l
2 Mww within the mouths of creeks flowing into the river. The nature of the      
H twew habitat suppliestlie explanation. Xlr. Smith repeatedly wrote of Gyrotomae E  
K \i‘.HHw 215-l1V1I1g 'in rapid heavy currents. Speaking ot the genus at \Vetumpka he l 5
said that it was "almost conhned to swift water. and those specimens in pools I  
mcs (lm`. do not lroolv health) and ate ppt to   dcfoimed. A peimanent habitat 4  
mg GW? of this lund is iaier among Ileuioceiidae than is generally supposed. Io  
L Of Cixi; and Anculosa do occupy the syvitter parts of rivers, the old as well as the  
hcug mi; young, but most species of lleurocera·are to be found in quiet water. W i
U mp Pleurocem ziiicialc (Hald.), a characteristic east Tennessee species, is in , I §
‘ j __   the mam part of streams only while partly grown. The adults seek the pools '  
adil': if and banks. I have noticed the same thing of Gmiiiolirisfs Iizmscciis (Menke) l   I
l;;l€;l‘O;"`_ in Ohio, Michigan. and Indiana. Colonies of Zivesrciis are found upon I g
mm ihCVwave—beaten rocks in Lake Erie. but far larger colonies inhabit places much  
[Cr in ihmorg prqtetqted. The Rrclliiiapggtillnotis Qoign of Izzmscmpv lives plintifully in l  
rap1 s 0 ie upper i"a>asi iver. ; epauperate orm o tie s ecies  
_ was collected by Hinkley under stones in the lower part of the river. pSuch l  
mae ""lja site, corresponding to that in which Gyrotoma Hourishes. was an unhealthy  
I Slllgll ; one for a species probably the most adaptive of all Goniobases. i  
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IC Claw Drsrmncrrov  
. Ilia   ‘ , ’
U Eyt-mi Gyrotoma first appears in the Coosa at Lock 2. St, Clair County, The ,  
nal ;ik.tQ¤Only species there and about as far down as the mouth of Yellowlea-f Creek l i  
were Ufof Shelby County is /~yrczmi`z{afioii. In the short distance between this point l   I
HTC, mytilllil the foot of Peckerwood Shoals, Talladega County. occur tive species I  
;\’h1ch·a1‘e confined to these reaches, namely, anzjvliinz, (`(H'l·}1I.]C(`}'IlHZi, spi]/ziiczazii, E
HmldL,,\.v~f€¢u’is1z and ]I[‘·i.1(2It`}'SOI1I, The second and the last of these five are known , • i
7 b€fU,.\_ mm Fort \\‘lll1Z1ITl Shoals only. Alrilztiiiiciisilv is first met with sparingly  
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y   ll ‘ { 6 CAr.v1x Goootzreu C  
i   . ` on |’et:lterwootl Shoals and disappears below DLIIICHITS Rittle, Chilton t`o;;;i. ‘   _,~,,»;;{ con;
- °·   ty, [Vu//.·t:ri`i has a somewhat shorter range, \Veduska Shoals, Shelby tV;~u;;. 1 pmt pla
S ` ,g   ty, to llutting Ram Shoals, Coosa County. Five species occur at \Vetiii11plu, ` ttgmigtii
J ill 'l`heir up-river range from this point isi E.t‘f1iSHH1·,, to Tl1f€€·I5lZ1lltl Shoals,   tlyrotoin
_.   Talladega County; Iuoitziatzmz, to Fort \Villiam Shoals; {vzriszmz and jvzmsiluti; { 1»_·ell—tixei
. A   1 to Weduska Shoals; pagotlai, to The Bar, Chilton County. ’ ibut they
  J; The localities for Gyrototna mentioned in this paper are. here set tlou,-I Mpiiiiol);15
    lat their order, ttp—StrC;tm to (lO\\'11·Sll'€£l1U, tllé COLtIlty (l€5lgl121lE1C>tlS being ` groups,
  .   given as upon Mr, Sinitlfs labels, though the river in most of these place; The ,
  Q i is the border between counties: to tiuesti
Q ’ A .
{ . l T ` awk 2, st. titan county. W l"‘l’“
Q V fi Ten-Island Shoals, St. Clair County. Ll' liv illll
  4; l Lock 4, St. Clair County. and omft
  { y l{ix·•;·rside, St. Clair County. ipimiyygi
  I E· { ! Truss Shoals, St. Clair County. M,\Sib]\,
;   I Clarence Shoals, St. Clair County.   _l\_'n
  l llall's Island, Talladega County. ”L ·
  _;» }= I Yellowleaf Creek (upper), Shelby County. lliitx
  `   I 1 /l`lll`t’(‘·lSl[\ll(_l Shoals, Talladega County. ntae, O1
ll 5 i Fort \Villian1 Shoals, Talladega County. wil {boy
{ V   * ; Pccltertvotul Shoals, Talladega County. Q.:._.mp iS_
Q I , ` \\=e‘ who ts
l it   hc separated from that genus. These mollusks are characterized by large _ " *1 *<1‘>· l
  » ‘ ll l shclls and large opcrcula. They have the same wide aperture of Gyr»·1~'>tll1 lil __;¤·11t·i‘Zt
E   ` and the saute inicroscopic sculpture. The group has not been cart·t`till§‘ Y.: ‘i.,‘i uncut
l`   ~ studied. hut thcsc species unouestionahly belong to it: Goitiolaasis i;1tl‘·e‘t`5&Y . 1 i‘‘~ s lor tl
E J       Lea. lttvtu lay, .v}so:t·t1lz*rrt`i l,ea (t8(io), lcrtiiirii Lea, btvllztla. Lea and tizuvlfii t   apply
E l l 1 l.c.1. lil`4lltLl.l*l}' otlicrs are tmzfiovti l.ea and /or/1r_v;nn Anthony, which ';`i‘j.‘—i·i¤ 2~J~1:.1rl11an
  C   y i io, pp, gig, gtgl assigned to Eurycaelon. Occasionally all these sg‘=¤‘€l€* l ~‘ itlict
      dcxclop incipient lissurcs. Mr. Suiith collected several specimens will Iii- Zio llrttn.
    l surcs llt‘.ll'l·}` las lztrelc as in ,’iw‘tt1t:ttitti‘it;ii. and inticum. and yet, in othir   li‘¤i1l‘.‘»:tte
    caros. zctauunc their usual Goniolwastc tcntures, Every one has a ‘si:¤ie~ land genera) which have been driven into quiet nooks or left in odd  ,Z _ ~   Z
2   rnt·rs by the competition of better adapted species; and (A3) ’*‘   "‘ that      
t " in _;i·neral they are young beginners, descended from the ‘wides`." `\Villis` l  I    
‘ 9 f¤t‘z;¤um·11t is largely devoted to the advocacy of the third explanation as the I   · A <_  
1   i ~‘‘~ : for the majority of cases. l see no reason whv all three hytJOth€SCS IHCLY  rj    
F ·‘ tn; apply with almost equal force. The \'itrinizonites of the southern Ap- f  ·    
t Y; :~x~?;.rl:iaiis may be examples of highly specialized forms narrowly confined    fg  
I   1* ~ irtirular localities. An illustration of one form of a relict race is given Q    
· 5   ltrunaun (7, p, 3-6). .l/t1r_k;ur[fn.i1rt izztzrqrzrz/ifc·z·ti. (L.) occurs in the i  i Ifjl  
· Z li¤rl‘.i:ite;·s of the Schuylkill River, and in no other place in Pennsylvania. I ' - pg  
f   shells are confined to cold trout streams and in the parts of these it   f
·   are {soo to igoo feet above sea level. "The Pennsvlvanian area of _    
l   ’lii·— spe-ei··s is not onlv the most southern extension of its range in eastern   ‘ . ·    
  i\~rth :\·1ierica. but it also has the peculiaritv of being the oulv one to the I .i ‘    
i   of the Terminal Moraine. Thus it may be regarded as a part of the  __ X  
if §§‘jlJ¤c1;tl Preserve (refugitnn) of this species? The great numbers in which I    
T ‘ ‘i*  '~·}.°r~u»:av;te occur in the Coosa River, their variability which is so character- r    
`   Nic of a genus that has not yet become "hxed" and their failure. for all their `  
li ie  lliiflfhers and apparent vigor, to get l)CyOll(l It 1'CS‘t1‘iCt€Cl héthllilt, COlt\'iflCC t if =
    we ihttt they represent Uyottrig begitiiiers yi‘twitidafztn1, darker, thinner and li:‘"iIttl€7 Q  tiiftiilzofl
· E than in paytititi. The inner whorls are tightly coiled rather than l