Plate III. 



Figf«. 1 a, a', a" and b. Gari cfr. radiata Dku. 



Figs. 2 a and h. Macoma nasuta Conrad. 



Figs. 3 a and b. Venus foliacea Ph. 



Figs. 4 a and 6. Cytherea cliinensis Chem. 



Figs. 5 a and h. Cytherea meretrix Linné. 



Figs. 6 a and Z>. dementia aff. papyracea Gray. 



Fig. 7. Tapes decussata Dkr. var. jphilippinarum Ad. and Kve. 



Figs. 8 «, a' and Z>. j^bpes euglyptus Pu. 



Figs. 9 Ci and a'. Cardium californiense Desh. 



Fig, 10. Cardium muticum Eve. 



Fig. 11. Cardium braunsi Tok. 



Figs. 1.2 a and «'. Cardium tokyoensis Tok. 



Figs. 13 a, b and &'. Mysia aff. seviiaspera PniL. 



Figs. 14 a and Z> Lasœa striata Tok. 



Figs. 15 a and a' Lasœa aff. suborbicularis Mont. 



Figs. 16 a, a' and b.. Astarte japonica Tok. 



Figs. 17 a and a'. Cardita rotunda Tok. 



Fig. 18. Yoldia lanceolata J. Sow. 



Figs. 19 a and ^>. ^rc« inflata Eve. 



Fig. 20. .^rca yranosa Linné. 



Figs. 21 a and h. Area kagosltimensis Tok. 



Figs. 22 a and i. ylrca a Sp. 



Figs. 23 «, b and 6. ^4/'crt reetangularis Tok. 



Fig. 24. Alodiola modiolus Linn. 



Figs. 2.5 a and h. Mod.iola aff. japojiica Dku. 



ï'igs. 26 a and &. Lima aff. japonica Ad. 



Figs. 27 ft and />. Lima hahodatensis Tok. 



(All the figures excepting tigs. 1 a" and b, figs. 2 a and h, fig. 8 /), fig. i) a'', fig. lo 6', figs. 

 14 a and />, fig. lô a', figs. 1() a, a' and 6, fig. 17 a', fig. 18, figs. 22 a and 6, figs. 

 2o a, 6 and c, fig. 24, figs. 25 a and b, and figs. 2(j a and 6 are in natural size). 



