ANODON.—P ate XXXII. 
finely striped; anterior side short, narrow, dorsal 
margin straight, cuneate, ventral margin sinuated ; 
middle inflated, umboes full; posterior side ex- 
panded, acuminated, ventral margin produced, 
lateral sloped. 
Lea. Obs. on Unio, vol. iv. pl. 26, f. 48, 
Hab. Carthagena. South America. 

Species 135. (Mus. Brit.) 
ANODON cocHLEaRIs. An. testd rotundo-subtrigond, 
valdé inequilaterali, obscuré olivaced, concentricé 
striata, tenui, intus cupred ; latere antico angusto, 

compresso, brevi, rotundo ; margine ventrali sinuato; 
latere postico inflato, expanso, alato, rotundatim 
angulato, radiatim unilirato. 
SPOON-SHAPED Anopon. Shell roundly subtri- 
gonal, very inequilateral, dull olive, concentrically 
striated, thin, coppery within ; anterior side narrow, 
compressed, short, round; ventral margin sinuated ; 
posterior side inflated, expanded, winged, roundly 
angular, with one radiating ridge. 
SowERBy. 
Hab, 
I do not find any other species at all nearly corre- 
sponding to this in form or character. 
THE 
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