1078 
MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 
Family MELANACEvE. 
2. Melania, Lamarck, Hist. Nat. Animaux s. Vertebres. 
Shell more or less turreted, geneially wrinkled or nodulous, 
mostly covered with a black or olive epidermis; s)>i re elongated, 
generally more or le.<5S eroded towards the apex ; columella smooth, 
arched ; aperture ovate, entire, sometimes attenuately channelled 
at the ba,se ; lip simple. 
Animal-, di.sk short and slight; head proVjoscis-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, tig. 4; Brot, Melanidse, Conchylien Cabinet 
I. p. 51. 
Java. 
M. angulifera, Brot, Mater. III. p. 32, pi. 2, fig. 9 ; 
Melanidee, Conch. Cab. I. p. 51. 
Java. 
M. PARVA, Lea,= Packy chillis parvum., Lea, Proc. Ac. Nat. 
Sc. Philad. 1856 = crassilahrum, Conch. Icon. f. 
221 = Paludoinus cyanostomm, Morelet, 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, fig. 3 ; Brot, Melan. 
p. 56 = Sulcospira typica^ Trosch. (lebiss der Schnecken. 
Java. 
