PLATE II. 



Page. 



Fig. 1. Diploneis Microtatos var. Christiani T. C. — Maryland, ""'"/, 96. 



2. D. dorablittensis GRUN. — Lefra sjö, Sweden, ^"""'^ 91. 



3. D. fusea var. onmarueiisis C'L. — Oamaru, ^'"'/j 94. 



4. D. Debyi var. elliptica Cl. — Red Sea, äoo/^ 98. 



5. D. Vespa Cl. — Java i»»»/^ 97. 



6. D. Platessa Cl. and GrOVE — Macassar Straits, ^oo/^ 97. 



7. D. Szontaghii Pant. — Surabava, ^oo/^ ; 99. 



8. D. Crabro var. Didelta Cl. — Surabava, ^07, 101. 



9. D. Crabro var. Pandurella Cl. — China, ="% 101. 



10. D. Crabro var. hungarica Cl. — Szåkal, ="7; 101. 



11. D. Crabro var. subelliptica Cl. — Galapagos Islauds, ^""/j 101. 



12. D. Crabro var. 0'Meari GRUN. — Macassar Straits, ''""/^ 102. 



13. D. vagabunda BRUN. — S:n Pedro Calif., ^oo/^ 103. 



14. D. biseriata var. lata Cl. — Galapagos Islands, •''''7i 103. 



15. D. vagabunda BRUN. — S:ta Monica, Calif., ■^'»"j^ 103. 



16. D. biseriata var. galapagensis Cl. — Galapagos Islands ''""/^ 103. 



17. 18. D. lesiuensis GRUN. — Adriatic 104. 



19. Tropidoneis solidula Cl. — Rembang Bay, ^"7i 25. 



20, 21. » ;» (parts of the valve) '""'7i '■> 



22. AuricLila javanica Cl. — Sumbava, ^"71 21. 



23. A. pulehra Grev. — Macassar Straits, ^00/^ 20. 



