26 NILS HJ. ODHNER, MOLLUSCA. 
FAM. TELLINIDAE. 
Tellina rhomboides Quoy & GaimarRD. 45 miles W. S. W., 72 feet (°/7), 1 sp., 
1. 9 mm, with 2 red rays behind. — Distribution: From the Red Sea and Mauritius 
to the Philippines, Japan, New Guinea, Queensland, and New Zealand (Lynau 1909). 
FAM. MYIDAE. 
Corbula crassa H1inps. 45 miles W. S. W., 60—72 feet (*'‘/7), 3 small dead 
shells, max. |. 7 mm; 140 feet ('*/7), 1 sp., 1. 17 mm. — Distribution: Gulf of Manaar 
to Gulf to Siam and Philippines; New Guinea, Queensland, N. W. Australia (LYNGE 
1909). 
FAM. VENERIDAE. 
Venerupis irus Linns (— macrophylla Dusnayes). 45 miles W. S. W., 72 
feet (*"'/7), 4 sps, max. 1. 8 mm; 42 miles W. S. W., 70 feet (#*/s), 3 sps, max. 1. 10.2 
mm. It is distributed from England and Ireland through the Mediterranean and 
Red Seas to the Gulf of Siam, Philippines and Japan, as well as from Funafuti to 
Mauritius (LynGE 1909). 
For the synonyms of this species see Lynar 1909. 
Paphia sulcaria Lamarck. 42 miles W. S. W., 66—70 feet (''/:), 2 sps, max. 
l. 1l.s mm. — Distribution: Red Sea—Moluceas, Indian Ocean (E. A. Smiru 1891). 
Chione foliacea Puinirri (—tiara Reeve). 45 miles W. 8S. W., 48 feet (°/7), 
2 sps, max. |. 13 mm; 66 feet (*°/:), 2 sps, max. 1. 18 mm; 140 feet (**/:), 1 sp., I. 
19 mm; 48 miles W. S. W., 78 feet (75/7), 2 sps, max. 1. 9 mm. — Distribution: 
Red Sea, Madagascar, Ceylon, Queensland, Japan (E. A. Smrru 1885). 
Ch. recognita E. A. Smiru. 45 miles W. S. W., 66 feet (*°/:), 1 sp., 1. 8.8 mm, 
agreeing both in form and sculpture with Smirn’s fig. 5 (Pl. III, Challenger Rep. 
Lamellibranchia, 1885). The specimen was light reddish, with 2 brown dots on both 
valves, placed behind each other and on the upper half, thus causing a striking 
resemblance to the new Trivia bipunctala collected in the same locality. — Distribu- 
tion: Maldives, Gulf of Siam, Philippines, Queensland (LyNGE 1909). 
Ch. laticostata n. sp. (Pl. 1, figs. 21, 22). 45 miles W. S. W., 70 feet (*/s), 
1 sp., Il. 20 mm, br. 1l.o, h. 14 mm. Shell elongated ovate, somewhat contracted 
towards the rear end, with submedian umbones, sculptured with about 15 concentric 
costae with narrow interstices, the last three of them very broad, occupying half the 
under part of the shell. Towards the hinder end the costae form indistinct and some- 
what thickened angles. The costae are crossed by fine and dense radiating threads 
and microscopic striae, the former most visible in the interstices and towards the 
front margin, where they form coarse crenelations; smaller ones are present in the 
under and the posterior margins. Shell cream coloured with three cloudy light brown 
