24 MICHIGAN FISH COMMISSION— BULLETIN NO. 5. 



PLATE IV. 



Fig. 1. L. macrurus — right antenna of male x 275. 

 2. " " left antenna of male x 275. 



PLATE v. 



Fig. 1. L. macrurus — first foot x 275. 



2. " " second foot x 275. 



3. " " fifth foot of female x 275. 



4. " " fifth foot of male x 275. 



5. " " second and third joints of second maxillipede x 



275. 



PLATE VI. 



Fig. 1. Cyclops ater — abdomen of male x 146. 



2. " " receptaculum seminis x 113. 



3. " " fourth foot x 113. 



4. •' " 11th, 12th, and 13th antennal segments of 



female x 113. 



5. fuscus — terminal joints of female antenna x 217. 



6. " ater — terminal joints of female antenna x 217. 



7. fuscus — terminal joint of endopodite of fourth foot x 



217. 



8. albidus — terminal joint of endopodite of fourth foot 



x280. 



9. " " terminal joint of endopodite of fourth foot 



x280. ' 



10. " " antennule x 217. 



11. " fuscus — antennule, first three joints x 217. 



12. " ater — outline of cephalothorax of female x 108. 



PLATE VII. 



Fig. 1. Diaptomus sicilis — fifth feet of male x 140. 



2. " Ashlandi — fifth feet of male x 140. 



3. " minutus — fifth feet of male x 140. 



4. " " fifth foot of female x 250. 



5. " oregonensis — fifth feet of male x 140. 



6. " pallidus — fifth feet of male x 200. 



7. " leptopus — fifth feet of male x 138. 



8. " sanguineus — fifth feet of male x 138. 



9. " Birgei — fifth feet of male x 136. 



10. " sanguineus — terminal joints of male antenna x 136. 



11. " sicilis — terminal joints of male antenna x 136. 



12. Cyclops brevispinosus — fifth foot x 250. 



13. " modestus — fifth foot x 250. 



14. " pulchellus — fifth foot x 250. 



15. " Leuckarti — fifth foot x 250. 



PLATE VIII. 



Sketch map of Lake St. Clair and vicinity, showing collecting stations. 



PLATE IX. 



Sketch map of Charlevoix and vicinity showing collecting stations. 



