Diaptomus Pseudosangmnevs Sp. Nov. 



17 



Distribution op st. Louis Cladocera Fbom Mabch 1909 



To June 1910 



1. AlonaoeoBtata 



2. Bosmina longirostris. 



3. Ceriodaphnia laticaudata . 



4. Ceriodaphnia reticulata. . . 

 6. Chydorus sphaericus 



6. Daphnia longiremus 



7. Daphnia pulex 



8. Leydigia acanthocercoides. 



9. Leydigia quadraugularis . . 



10. Moina brachiata 



11. Moina rectirostris 



12. Pleuroxus denticulatus. . . . 



13. Pleuroxus hamulatus 



14. Pseudosida bidentata 



15. Scapholeberis mucronata. . 



16. Simocephalus serrulatus. . . 



1909 



1 



1 



I 



1910 



