EXPLANATION OF PLATE LXXVL 



OiiEUSCus coNELtus WTiitlicld p. 672 



1. Lateral view nf {hu t\pe spccinieii, enlarged. 



IWnuJbiiry clay; 1 laddmifichl, {1S3). 



SCALA SII.LJIANI ( Mortull ) p. 6/2 



2. Lateral view of a speeinieii frum Alabama preser\'ing" the 



bliell. 



/'.;/. Cnll. Walker Miis^, Xa. 10.^35. 



3. Lateral \'iew nf an inlernal east illustraed by \\ liittield. 



y, a:\'siiiL' iiitirl: IlalnuJcl. 



ScAi.A THOii Asi Gabl I ? p. 674 



4. Lateral \ieH' of the speeimen illnstrated by \\ hitheld. 



llori^im and tocalUy ih't /."/;ii;e«. 



Ca\"iiscala anxui.ata ( -Morton) p. 676 



5-7. Two lateral \ iews and a basal vieu' fremi twei nearly perfect 

 specimens. 



riiicciitnz^ii liiiii'saiid: Tiiiihcr Creek. 



ScAt.v ? UERCfi.ES Whitlield p. O75 



8. Later;il \'iiA\- of tile type speeimen. (After Wdiitfield. ) 

 Clitl'ieood clay .' : Clihwund Puiiil. 



LuXATiA i-iALLi Gabb p. 677 



9-10. Two "sdews of an internal cast. 



Mcrcliaul-citle chiy-iiiarl: Lcnnla. Ui'ij). 

 II-14. Two \ae\\s e:ich of two specimens. 



XirrcsiiiL- marl; Miillica Hill, (Kaj). 

 15-16. Tw'i \ lew s lif nr.e siiecimcn. 

 17-10. Views nf three dilterent specimens. 



ll'cranah sand: near Cra'^efards Ciiiiicr, {is6''). 



LuNATiA ? PAUPEkAT.v ( Wdiitl'icld ) p. 6S0 



20-23. Two latertil views each of the two t_\-pc specimens. 

 Nai'csiuk marl; Crusszeichs Creek. 



1036 



