70 TWELFTH REPORT. 



Marquette (Forbes, '91), Lake St. Clair (Reighard. '94). 



9. Bosmina loiifjispina Leyd. 

 Lake St. Clair (Reigliard, '94). 



10. Camptocerciis recti rostris Selidlr. 

 Lake St. Clair (Reigliard, '94). 



11. Ceriodaphnia Jaciistris Birge "^ 

 Lake St. Clair (Reigliard, '94). 



12. Chijdorus glohosus Baird 



Marquette (Forbes, '91), Lake St. Clair (Forbes, '91). 



13. Chi/dorus i-uglosus Forbes 

 Marquette (Forbes, '91). 



14. Chydonis spJiacricus O. F. M. 



Marquette (Forbes, '91^, Lake St. Clair (Reighard, '94), Lake Michigan 



((Underwood, '86). 



15- DaphneUa hracJn/iira Liev. 

 Marquette (Forbes, 91), Lake St. Clair (Reighard, '94). 



16. Daphnia hyulina Levd. 

 Lake St. Clair (Reighard, '94). 



17. Daphnia l-alilhcrgcnsis inte.rta' Forbes 

 Marquette (Forbes, '91), Lake St. Clair (Reighard, '94). 



18. Daplinia l-ahlljcrgensis retrocurva Forbes 

 Lake St. Clair (Reighard, '94). 



19. Daphnia ptilcx De Geer 



;Specimens in the Michigan State ^luseuni (Nos. 39052, 39053) were 

 ^collected at Walnut Lake, Oakland county, August 25, 1906, at a 

 (depths of twenty and thirty meters respectively. 



20. Daplinia piilea' pulicaiina Forbes 

 Lake St. Clair (Reighard, '94). 



21. Daphnia rvtiocurva Forbes 

 Grand Traverse Bay (Forbes, ^^^2) . 



22. Etirycercus Jamvllaius O. F. M. 



Marquette (Forbes, '91), Lake St. Clair (Reighard, '94). 



23. GraptoJchcris tcstudinata Fischer ^ 

 Lake St. Clair (Reighard, '94). * 



24. Holopedinin gihhcrum Zad. 



Grand Traverse Bav (Forbes, '82), Lake Michigan (Underwood, '86), 

 Marquette (Forbes, '91), Lake St. Clair (Reigiiard, '94). 



25. Ilyocryptus longircinis Sars 

 Lake St. Clair (Reighard, '94). 



26. Latona sctifcra O. F. M. 



Lake Michigan (Undei'Avood, '86), Lake St. Clair (Reighard, '94). 



27. Leptodora hyaiina Lillj. 



Grand Ti-a verse Bav (Forbes, '82), Marquette (Forbes, 91), Lake St 

 Clair (Reighard, '94). 



28. Monospniifi icnnifostn's Fischer 

 Lake St. Clair, Isle Royal (Reighard, '94). 



29. OphryoxHs qracilis Sars 

 Lake St. Clair (Reighard, '94). 



30. Plearoirus dcnticalatits Birge 

 Lake St. Clair (Reighard, '94). 



31. Plcuroxus namus Baird 



