ON BOSMINIDJS, MACEOTHEICIDJE, ETC. 407 



Fig. 5. ,, acantliocercoides (after Fischer.} 



Fig. 6. ,, personatus, x 84. 



PLATE XX. 



Fig. 1. Abdomen of Lynceus falcatus, x 400. 



Fig. 



2. 



»> 



,, elongatus, x 210. 



Fig. 



3. 



m 



,, tenuicaudis, x 210. 



Fig. 



4. 



)> 



Anchistropus emarginatus, x 210. 



Fig. 



5. 



?> 



Lynceus globosus, x 210. 



Fig. 



6. 



n 



,, macrourus, x 400. 



Fig. 



7. 



ii 



,, acantliocercoides (after Fischer.} 



Fig. 



8. 



it 



Eurycercus lamellatus, x 84. 



Fig. 9. ,, Monospilus tenuirostris, x 210. 



PLATE XXI. 



Fig. 1. Abdomen of Lynceus harpas, x 120. 



Fig. 2. ,, ,, macrourus, x 80. 



Fig. 3. ,, „ exiguus, x 320. 



Fig. 4. ,, ,, testudinarius, x 210. 



Fig. 5. ,, ,, quadrangularis, x 120. 



Fig. 6. ,, ,, rostratus, x 260. 



Fig. 7. ,, „ costatus, x 210. 



Fig. 8. ,, ,, nanus, x 400. 



Fig.' 9. ,, ,, truncatus, x 210. 



Fig. 10. ,, ,, guttatus, x 210. 



Fig. 11. ,, ,, trigonellus, x 210. 



Fig. 12. ,, ,, sphan-icus, X 210. 



Fig. 13. ,, ,, uncinatus, x 210. 



Fig. 14. ,, ,, ltevis, x 210. 



PLATE XXII. 



Fig. 



1. 



Bosmina longispina (female), x 84. 



Fig. 



2. 



,, ,, (male), x 84. 



Fig. 



3. 



,, Coregoni, x 100. 



Fig. 



4. 



,, longirostris, X 100. 



Fig. 



5. 



Drepanothothrix hamata, x 84. 



Fig. 



6. 



,, ,, anterior antenna;, x 210. 



Fig. 



7. 



,, ,, abdomen, x 210. 



