GerLi.'ib ^x V _v. . ;..^JILA von Ivlartena. 

 DIVAHIGELIA PlSYAPiIOAM "u-op.?. 



? Luoin a dent at a '■^abb, 1873, Trans. Am. Philos. Soc, nevr sor., 

 vol. 13,^ p. 251 (non "./ood 1815) e:-: parte. 



Divarioella -o revaricata QuTJp.y. in Guppy and Dall, 1896, Proo. 

 U. 3. ITat. rais., vol. 19, p. 727, pi. 1^0, fi^. 1-. 



■Pi varicella ^orevarloata Gn^^py, Dall, 1905, Trans. .7ag.xer ITree 

 Inst. Sci., Philadelphia, vol, 5, pt. 6, p. 1339. 



Sesoription .- "Suborhi cellar, inflated, niarcrins minutely 

 dentiotilate, snrf, ^e divaricately seulptiire ''. Length of shell, 

 8 rira." 



^'ype locality .- Jamaica. 



Shell of medium size, thin, sixlDorbioalar, well inflated; 

 posterior dorssl '^v^i-n ~11 c-T-itl-- longer and st'-'pifrT^ter than the 

 anterior; more eonvexly rounded anteriorly; luabones tumid, relative- 

 ly prominent; lunule small, feebly impressed, almost or entirely 

 confine'' -o -^.he ri'"h"f: v. ~. , : ; the characteristic pnr.-il ti^.-.tp rcaltive- 

 ly fine; incremental lines irregularly spaces and uiieui'.&lly 

 : phasized; hinge strong, the rirht posterior cardino.l sometimes 

 obscurely bifid; both posterior and anterior laterals relatively 

 '.veil developed; inner dorsal margin feebly serrate- by ^' ^ - 



ture, the remainder of the r.argin non-serrate'', but finely crenu- 



