170 



Trans. Acad. Sci. of St. Louis. 



TABLE II. 



DISTRIBUTION OF AUGUSTAN CLADOCERA AND COPEPODA ACCORD- 

 ING TO TEMPERATURE. 



u 



o 



© 



o 



© 



o 



o 

 © 



o 



© 



CO 



I 



o 

 in 



16. 

 17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 25. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31. 

 32. 

 33. 

 34. 

 35. 

 36. 

 37. 

 38. 

 39. 



COPEPODA. 



1. Canthocamptus minutus 



2. Cyclops ater 



3. Cyclops bicuspidatus 



4. Cyclops fimbriatus 



5. Cyclops phaleratus 



6. Cyclops serrulatus 



7. Cyclops signatus coronatus.. 



8. Cyclops signatus tenuicornis. 



9. Cyclops viridis brevispinosus 



10. Cyclops viridis ingens 



11. Cyclops viridis insectus 



12. Diaptomus augustaensis 



13. Diaptomus mississippiensis. . 



14. Diaptomus sanguineus 



15. Diaptomus stagnalis 



CLADOCERA. 



Acantholeberis curvirostris. 



Alona coronata* 



Alona intermedia 



Alona quadrangularis 



Alonopsis latissima* 



Bosmina atlantaensis 



Bosmina longirostris 



Bosmina reversaspina 



Camptocercus macrurus. . . . 



Ceriodaphnia megops 



Chydorus sphaericus 



Daphnella brandtiana 



Daphnia hyalina 



Daphnia schoedleri 



Eurycercus lamellatus 



Ilyocryptus spinifer 



Leydigia quadrangularis..., 



Moina brachiata 



Pleuroxus denticulatus 



Pleuroxus hamatus 



Pseudosia tridentata* 



Scapholeberis mucronata. . . 

 Simocephalus serrulatus.... 

 Simocephalus vetulus 



P 

 P 



P 



P 



P 



P 



P 



P 



P 

 P 

 P 



P 

 p 



P 

 P 

 P 



P 

 P 

 P 



P 

 P 



P 

 P 



P 



P 

 P 



P 

 P 

 P 



P 



P 

 P 

 P 



P 



P 

 P 



P 



P 



P 

 P 

 P 

 P 



P 

 P 



P 

 P 



P 



P 

 P 



P 

 P 



P 



P 

 P 

 P 

 P 



P 

 P 



P 

 P 



P 

 P 



P 

 P 



P 

 P 



P 



A "p" indicates that the animal mentioned in the left-hand column 

 was present. 



An "*" indicates that the record was lost. 



