. 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 N. Fig. 1-4. Daphnia jmlex, var. nasutiis. Fig. 5. outliue of head and (a) beak of D. similis. Fig. 6. Leptodora hyalina, seen from above. Fig. 7. larva. Fig. 8. Latona setifera, female. Fig. 9. Limnosida frontosa^ female. Fig. 10. auteunule of male. Fig. 11. Holopedium gibherum, female. Fig. 12. Sida elongata, head outline. Fig. 13. Sida cnjstallina, head outline of
. 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 N. Fig. 1-4. Daphnia jmlex, var. nasutiis. Fig. 5. outliue of head and (a) beak of D. similis. Fig. 6. Leptodora hyalina, seen from above. Fig. 7. larva. Fig. 8. Latona setifera, female. Fig. 9. Limnosida frontosa^ female. Fig. 10. auteunule of male. Fig. 11. Holopedium gibherum, female. Fig. 12. Sida elongata, head outline. Fig. 13. Sida cnjstallina, head outline of young female. Fig. 14. antennule of male. Fig. 15. of female. Fig. 16. Daphnia galeata, outline of head. Fig. IT. vitrea MINNESOTA CRUSTACEA. 12 OCAnnualRr^port JlLATE N. ^^^^ &J^6imst. Sur. 15 PLATE O. Fig. 1. Canthocamptus illinoisensis, antenna oMemale. Fig. 2. fifth foot of female. Fig. 3. antennule. Fig. 4. firstfoot. Fig. 5. caudal stylet. Fig. 6. CantJiocamptus northumhricus^ var. americanus, fifth foot of 7. antenna of female. Fig. 8. * maxilliped. Fig. 9. caudal stylet. Fig. 10. antenna of male. Fig. 11. first foot. Fig. 12. fourth foot. Fig. 13. fifth foot of male. Fig. 14. frontal area. Fig. 15. CantJiocamptus tenuicaudis, 16. fifth foot of female. Fig. 17. Cyclops serridatus, fifth foot. .Fig. 18. fourth foot. Fig. 19. outer ramus of first foot. Fig. 20. Cantliocamptus northumbricus, inner ramus of third male 21. beak. Fig. 22. maxilla. MINNESOTA ^CRUSTACEA. J2 *>^ AnnualRfport PLATE O. Geol & 2^at Hist. SurMinn.
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