1869 

 1869. 



i874 

 1878 

 1880 

 1880 

 1884, 

 1884 

 1884 

 1887 

 1890 

 1895 

 1896 

 1899 

 1903 

 1905 

 1906 

 1907 

 1910 



1913 

 1916 

 1916 

 1925 

 1928 

 1929 



295 



Hippopns equinus Dunker, Cat. Mus. Godeffroy, IV, p. 113. 



Hippopns equinus Frauenfeld, Verhandl. Zool.-Bot. Ges. Wien XIX, p. 884. 



Flippopus equinus Dunker, Cat. Mus. Godeffroy, V, p. 172. 



Hippopns viaculatus Kobelt, lUustr. Conchylienbuch, p. 349, pi. Cil, fig. 3. 



Hippopus maculatus von Martens, Môbius Beitràge Meeresf. Mauritius, Seychell., p. 323. 



HippopiLS viaculatus Tennison-Woods, Proc. Linn. Soc, N. S. Wales, V, pp. 124, 125. 



Hippopus viaculatus Tryon, Stract. Syst. Conch., III, p. 209, pi. CXXVIII, figs. 89, 90. 



Hippopus Maculatus Sowerby, Thés. Conch., V, pi. CCCCLXXXIX. 



Hippopus viaculata Grasset, Ind. Test. Viv., p. 278. 



Hippopus viaculatus Fischer, P., Man. Conchyliol., p. 1035. 



Hippopus viaculatus Paetel, Cat. Conch. Samm., III, p. 124. 



Hippopus viaculatus Pilsbry, Cat. Mar. Moll. Japan, p. 130. 



Hippopus maculatus Casto de Elera, Cat. Sist. Filip., p. Jf]- 



Hippopus hippopus Smith, Proc. Malacol. Soc. London, III, p. i i t. 



Hippopus viaculatus Hidalgo, Obras Malacol., II, p. 400. 



Hippopus viaculatus Hidalgo, Cat. Filip., p. 352. 



Hippopus viaculatus Owston, Japan. Loochooan Shells, p. 40. 



Hippopus viaculatus Hirase, Cat. Mar. Shells Japan, p. 21. 



Hippopus hippopus Hedley, Austral. Ass. Adv. Soi., XII, p. 348. 



Hippopus 7naculatus Woodward, B. B., Life of Mollusca, pi. XIX, fig. 5. 



Hippopus maculatus Boettger, Abhandl. Senckenberg., Nat. Ges., XXXVI, 308. 



Hippopus hippopus Hedley, Journ. Proc. Roy. Soc. West Australia, I, p. 163. 



Hippopus hippopus Oostingh, Geol. Comm. Agr. Univ. Wageningen, N° 9, p. 280. 



Hippopus viaculatus Faustino, Summary Philippine Mar. Freshw. Moll., p. 65. 



Hippopus hippopus Dautzenberg, Faun. Colon. Français , III, p. 586. 



In the "Siboga" collection this interesting bivalve is représentée! by shells varying in 

 length from 70 — 160 mm. Thèse shells illustrate very well the great variability in shape, the 

 form of the lunule, the tumidity and sculpture of the shell of this species. 



Distribution : — H . hippopus is widely distributed in the Indo-Pacific. 



The "Siboga" shells were collected in Kambaragi Bay, Tanah Djampeah (St. 64), Lumu 

 Lumu Shoal, Bornéo Bank (St. 78), Anchorage off Laiwui, coast of Obi major (St. 142), Anchorage 

 south of Lucipara Group (St. 22^) and vi^est side of Taam Island (St. 252). 



Family Chamidae. 



Genus Chama Linnaeus. 



1758. Chavia Linnaeus, Syst. Nat., (éd. X), p. 691. 



1823. Chavia Children, Quart. Journ. Sci. Lit. Arts, XV, p. 28. 



1846. Chama Reeve, Conch. Icon., IV, Chavia, pi. I (explanation). 



1857. Chaîna Adams, H. & A., Gen. Rec. Moll., II, p. 462. 



1880. Chama Clessin in Martini-Chemn., Conch. -Cab. (N. F.), VIII, (5] 



1887. Chama Fischer, Man. Conchyliol., p. 1048. 



1919. Chavia Odhner Kungl. Sv. Akad. Handl., LIX, N° 3, p. ']Ç>. 



1927. Chaîna Cox, Rept. Palaeontol. Zanzibar, p. 98. 



1928. Chavia Lamy, Journ. Conchyliol., LXXI, p. 293. 



The family has recently been discussed in détail by Odhner and Lamy. The subgenera 

 represented in the "Siboga" collection are: — Chama s.s.^ — type Chama lazariis Linn., and 

 Pseudochama Odhner — type Chama [Pseudochama) cristella (Lam.). 



Cliamiden p. i. 



