S04 MAinJAl OF THE MOLLtTSCA. 



AuBICULA, Lamarck. 



Type, A. Jiidte. PL XII., Tig. 35. 



Etymology , Auricula, a Httle ear. 



Synonyms, Casaidula, Eer. (not Lam.). Mariniila (pepita) 

 King. GeovTila, Sw. 



Shell oblong, with thick, dark epidermis ; spire obtuse ; aper- 

 ture long, narrow, rounded in front, with 2 or 3 strong folds on 

 the inner lip ; outer lip expanded and thickened. 



Distribution, 94 species. Philippines, Celebes, Feejees, Aus- 

 tralia, Peru. 



Fossil, 28 species. ? Neocomian — . Prance. 



Fig. 132. A. auris--felis. (From Eyd. and Sotil.) 



A . Judce has truncated tentacles ; the typical species are met 

 "with in the brackish-water swamps of tropical islands, on the 

 roots of mangroves, and by small streams within the influ- 

 ence of the tide. One species has been observed by Mr. Adams 

 in nearly 2 fathoms water. 



Suh-^geyiera^ Polydonta, Fischer, P. scarahceus, PI. XIL, Pig» 

 36. (Scarabus imbrium, Montfort). 



Shell oval, compressed; spire pointed, many-whorled, with 

 lateral varices ; aperture toothed on both sides. 



Distribution, 34 species. India, Borneo, Celebes, Pacific- 

 Islands. Inha,bits moist spots in woods near the sea, and is 

 wholly terrestrial, feeding on decayed vegetables. (Adams.) 

 1 Tertiary species. 



Dedipes (afra), Adans. 



Shell ovate, spirally striated, aperture denticulated on both 

 sides ; the animal loops in walking, like truncatella. 



Distribution, West Indies, Africa, PhilippineSj Pacific Islands. 

 Under stones on the sea-shore. 



Fossil, species. Eocene — . Brita,in, Erance. 



Co]!«"OYULTJS, Lamarck. 



Type, C. coniformis, Brug. PI. XII., Eig. 37. (-= Yoluta 

 coiiea, L. ?) 

 SynonyrM) Melampus, Montfort. Ehodostoma, Sw. 



