- "^49 - 



Snbg-emis "^; steroconoha ?ischer. 

 Section Lap-ielliconoha r;all, 



PI2ARIA (L.^vSLLI0OI:GFA) PLAIIIVISTA iOvC'rv:), 



G^'therea ( Gall is ta ) planivieta ''^uppy, 1866, "uart. Jour. Geol. Soc, 



london, vol. 22, p. 29g, pi. 18, fir. ^, 

 3allista nlanivieta (Guppj?) Gabb, 187^, Trans, .-nj. r:-ilc^J. ooc, 



new ser., vol. 15, p. 2 50. 

 Gytherea planivieta Gup^jy, 1874, Ceol. Hag., decade S, vol. 1, 



|). 442 ( clieck list). 

 Gytherea r^lanivieta Gup-^j?, 1876, JInart. Jour. Geol. Soc. London, 



vol. 32, p. 551. 

 Pitaria ( Lane 11 i co ':iGha ) plgnivieta (Giippj-) l)all, 19C", _rans. 



V/agner Free Inst. Sci., Philadelphia, vol. 3, pt. 6, 



.,-, -I <-) /? o 



O . I _. uij . 



Description .- "Shell ineoiii lateral, transverse, oval, com- 

 pressed; V'^lves ;oo1 -i Rl-ip-i^ or-nnvn-nter^ vM'th niiniprmip flat, slightly- 

 irregular, Gonceritrio ribs, v/hich ax-e much clG,-or tl^an their in- 

 terstices; umhones prominent, approxinEte ■ ; li.mule scarce] 3? im- 

 pressna." fGno-^v, 1866). 



'^ype looalit;; .- Jai::aica. 



Ghell large, polished, moderately inflated, decidedly in- 

 equilateral, elongate-ov , im'hn--;pr!. To--, tiroad; l;uiule small '"i^'-' 

 the size of the shell, the imx^ressed line '^ it v/eaJr 



