. A final report on the Crustacea of Minnesota, included in the orders Cladocera and Copepoda, together with a synopsis of the described species in North America, and keys to the known species of the more important genera . PLATE S. Fig. Fig. 3. Fig. 4. Fig. 5. Fig. 6. Fig. 7. Fig. 8. Fig. 9 Fig. 10. Fig. 11. Fig. 12- Fig. 13. Ergasilus depressu&, male. Cyclops oithonoides (Amer. C tenuissimus, var.), stylets. fifth foot. antennules. fourth feet. antenna of male. brevispinosus, stylet. ? ? inner maxilliped. swimming foot. <i fifth foot, antennule. » opening of spermatheca. Cyclops sp.
. A final report on the Crustacea of Minnesota, included in the orders Cladocera and Copepoda, together with a synopsis of the described species in North America, and keys to the known species of the more important genera . PLATE S. Fig. Fig. 3. Fig. 4. Fig. 5. Fig. 6. Fig. 7. Fig. 8. Fig. 9 Fig. 10. Fig. 11. Fig. 12- Fig. 13. Ergasilus depressu&, male. Cyclops oithonoides (Amer. C tenuissimus, var.), stylets. fifth foot. antennules. fourth feet. antenna of male. brevispinosus, stylet. ? ? inner maxilliped. swimming foot. <i fifth foot, antennule. » opening of spermatheca. Cyclops , nauplius. MINNESOTA CRUSTACEA. tf^Annual Rfport PLATE S. GeoL & Xat Hist Sur :oRA
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