170 Col. C. Svvinhoe on new 



Several specimens were found among a lot of Philippine 

 shells; but the habitat, although probable, must be regarded 

 as uncertain. 



Donax cacuminatus, sp. n. (PI. X. fig. 13.) 



Testa trigonalis, crassa, alba, postice fusco-tineta, undique radia- 

 tim crebrisulcata, postice recto declivis, acutangulata, antice 

 leviter producta ; umbones acuti, post medium locati. 



Antero-post. 22, umbono-marg. 15 mm. 



Hob. I. Pins, New Caledonia. 



Somewhat resembling the West-Indian D. denticulatus, 

 but more acute at the posterior angle, and without the undu- 

 lated corrugation ot the posterior area characteristic of that 

 species. 



EXPLANATION OF PLATE X. 



Fig. 1. Drillia parciplicata. 



Fig. 2. Columbella plicatospira. 



Fig. 3. Natica (Polinices) tenuicula. 



Fig. 4. Pentadactylus fusco-imbricatus. 



Fig. 5. Littorina eudeli. 



Fig. 6. Olivella musta. 



Fig. 7. Lotorium (Cymatium) kiiensis. 



Fig. 8. Diala vitrea. 



Fig. 9. Cardium (Serripes) notxibile. 



Fig. 10. Volsella compta. 



Fig. 11. Macoma transcalpta. 



Fig. 12. anatinoides; 



Fig. 13. Donax cacuminatus. 



Fig. 14. Pecten (Chlamys) scabricostatus. 



Fig. 15. Minolta liricincta. 



XXIV. — New Species of Indo-Malayan Lepiiloptrra. 

 By Colonel C. Swinhoe, M.A., F.L.S. 



Banainah. 

 Bahor a annetta, nov. 



£ . Pale ochraceous, larger than B. aspasia, Fabr., from 

 Java and the Malay Peninsula, very nearly resembles 

 Doherty's figure of his chrysra from Engano Island; but the 

 cell of the fore wing is densely clouded with black, and the 

 ochreous interspace above the hinder margin is quite clear, 

 and broader and more squarely cut at its outer end than in 



