804 MANUAL OF THE MOLLUSCA. 



AuRiCTJLA, Lamarck. 



Type, A. Judse. H. XII., Fig. 35. 



Fdymology, Auricula, a Little ear. 



Synonyms, Cassidula, Fer. (not Lam.). Marinula (pepita) 

 King. Geovula, 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. P Neocomian — . France. 



Figi 132. A. aiiris-felis. (From Eyd. and Soul.) 



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. 



Sub-genera, Polydonta, Fischer, P. scarabceus, PI. XIL, Fig. 

 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. Inhabits moist spots in woods near the sea, and is 

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

 1 Tertiary species. 



Pedipes (afra), Adans. 



Shell ovate, spirally striated, aperture denticulated on both 

 sides ; the animal loops in walking, like truncatella. 



Distribution, West Indies, Africa, Philippines, Pacific Islands. 

 Under stones on the sea-shore. 



Fossil, 5 species. Eocene — . Britain, France. 



CoNovuLTTS, Lamarck. 



Tijpe, C. coniformis, Brug. PL XIL, Fig. 37. (= Voluta 

 coffea, L. ?) 

 Synonyms^ Molampus, Montfort. Hhodostoma, Sw. 



