408 PROCEEDINGS OF THE ACADEMY OF 



EXPLANATION OF PLATES XIX, XX, XXL 



PLATE XIX (figures natural size), Fig. 1. Venus hirasei. pp. 205, 400. 

 Fig. 2. Area nipponensis, pp. 209, 402. 

 Figs. 3, 4. Petrwola cyclus, pp. 204, 400. 

 Fig. 5. Tapes phenax, p. 207. 

 Fig. 6. Tapes platyptycha, p. 206. 



Fig. 7. Petricola cyclus var. sculpturata, p. 205 (Ceylon). 

 Fig. 8. Tellina pristiformis, p. 400. 

 Fig. 9. Anatina impura, pp. 208, 402. 

 Figs. 10, 11. Acmcea heroldivar. signata, p. 202. 

 Fig. 12. Lima Mans var. hirasei, pp. 209, 402. 

 Fig. 13. Solen roseomaculatus, p. 399. 

 Figs. 14, 15. CeritMum chemnitzianum, p. 393. 

 Fig. 16. EcMnella cumingi luchuana, pp. 198, 394. 

 Fig. 17. Euthria Aokkaidonis, p. 389. 

 Fig. 18 Peristernia ustulata var. luehuana, pp. 197, 390. 



PLATE XX (fig. 19 much enlarged, the others natural size), Fig. 19. 

 Donax kiusiuensis, p. 400. 

 Fig. 20. Venus hirasei, p. 400. 



Fig. 21. Chrysodomus intersculptus v&r.frater, pp. 197, 391. 

 Fig. 22. Buccinum hirasei, p. 391. 

 Fig. 23. Chrysodomus pericochlion, p. 391. 



PLATE XXI (figures much enlarged), Fig. 24. Tritonidea submen- 

 keana, p. 387. 



Fig. 25. Syrnola baeillum, p. 394. 

 Fig. 26. Daphnella fragilis var. articulata, p. 385. 

 Fig. 27. Turbonilla varicifera, pp. 198, 395. 

 Fig. 28. Mitra vanattai, p. 387. 

 Fig. 29. Eulima luehuana, p. 396. 

 Fig. 30. Eulima dunkeriana, p. 395. 

 Fig. 31. Mitra hizenensis, p. 386. 

 Fig. 32. Cantharidus hirasei, p. 199. 

 Fig. 33. Cantharidus bisbalteatus, p. 199. 

 Fig. 34. Clanculus gemmulifer, p. 200. 

 Fig. 35. Clanculus hizenensis, pp. 201, 398. 

 Fig. 36. Columbella misera var. californiea, p. 390. 

 Figs. 37, 38. Columbella misera, p. 389. 

 Fig. 39. Columbella misera var. polynyma, pp. 196, 390. 



