. 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 U. Fig. 1. Fig. 2. Fig. 3. Fig. 4. Fig. 5. Fig. 6. Fig. 7. Fig. 8. Fig. 9. Fig, 10. Fig. 11. Daphnia kalbergensis, of moderate size. antennule of malo. head of thomasi^ fourth foot. outer ramus of first foot. Daphnia galeata, typical form,Cyclops thomasi^ fifth foot. (insectus?), fourth longimanus, female. A curious large p
. 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 U. Fig. 1. Fig. 2. Fig. 3. Fig. 4. Fig. 5. Fig. 6. Fig. 7. Fig. 8. Fig. 9. Fig, 10. Fig. 11. Daphnia kalbergensis, of moderate size. antennule of malo. head of thomasi^ fourth foot. outer ramus of first foot. Daphnia galeata, typical form,Cyclops thomasi^ fifth foot. (insectus?), fourth longimanus, female. A curious large protozoan; a. infundibulum frame workb. pulsating vacuole; c. nucleus; d. food and digested mat-ter; e. protective rods; 11a. spicules of the infundibulum. MINNESOTA CRUSTACEA. ^- i^ Annual Report PLATE T^ Geol & yat Hist Sun PLATE Ui. Figs. 1-1 Jr. Limnetes goiddii^ 15. Daphnia magniceps, 16. Daphnia minnehaha, female. MINNESOTA CRUSTACEA. From thelOth Annual Eeport. PLATE Ui. :Nat. Hist. Sur. Minn.
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