1078 MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 



Family MEL AN AC E^. 



2. Melania, Lamarck, Hist. Nat. Animaux s. Vertebres. 



Shell more or less turreted, generally wrinkled or nodulous, 

 mostly covered with a black or olive epidermis ; spire elongated, 

 generally more or less eroded towards the apex ; columella smooth, 

 arched ; aperture ovate, entire, sometimes attenuately channelled 

 at the base ; lip simple. 



Animal : disk short and slight ; head proboscis-shaped, sub- 

 conical, truncated, with the tentacles distant and subulate, having 

 the eyes on the outer side and sometimes at the base, sometimes 

 more advanced ; mantle fringed ; operculum horny. 



Univalve shells chiefly inhabiting the tropical rivers of India, 

 the Indian Archipelago and tropical North America. About 160 

 species have been described, but these are capable of great 

 reduction. 



Melania foeda, Lea, Proc. Zool. Soc. Lond. 1850; Brot, 

 Mater. III. p. 33, pi. 3, fig. 4; Brot, Melanidse, Conchy] ien Cabinet 

 I. p. 51. 



Java. 



M. ANGULiFERA, Brot, Mater. III. p. 32, pi. 2, fig. 9 ; 

 Melanidse, Conch. Cab. I. p. 51. 

 Java. 



M. PARVA, Lea,=; Pachychilus parvum, Lea, Proc. Ac. Nat. 

 Sc. Phi lad. 1856 = i/^Wi» crassilahrum, 'RQexe., Conch. Icon. f. 

 221 = Paludomus cyanostomus, Moi'elet, Jour. Conch. 1864, 

 p. 288 ^ Melania parva, Brot, Melan. (Conch. Cab. I.) p. 55. 



Sarawak, Borneo ; Siam ; New Caledonia. (?) 



M. SULCOSPIRA, Mouss. Jav. Moll, pi. 9, tig. 3 ; Brot, Melan. 

 p. 56 = Sulcospira typica, Trosch. Gebiss der Schnecken. 

 Java. 



