160 Trans. Acad. Sci. of St. Louis. 



plants, in the temporary portion of a permanent, no- 

 outlet, pond. 



In addition to the Entomostraca mentioned in the table, 

 associated with it were dipterous larvae, gammarids, and 

 may-fly larvae. 



daphnella Baird. 



17. DAPHNELLA BRANDTIANA Fischer. 



Daphnella brandtiana. Birge, '91, p. 382. 



Daphnella brandtiana, Herrick & Turner, '95, p. 149; pi. XXXVII., 

 fig. 3-6. 



This species was found on only one occasion; then it 

 was collected, in large numbers, in a large no-outlet pond, 

 in which there was no vegetation. The temperature of 

 the water was 19° C. 



18. MOINA BEACHIATA Jurine. 



Moina brachiata, Herrick & Turner, '95, pp. 162-163 ; pi. XXXIX., 

 fig. 5-8; pi. XLIIL, fig. 1, 2. 



This form is abundant about Augusta, among plants, 

 in one of the large no-outlet ponds. 



ceriodaphnia Dana. 



19. CERIODAPHNIA MEGOPS SarS. 



Ceriodaphnia cristata, Birge, '78, p. 6; pi. II., fig. 8, 9. 

 Ceriodaphnia megops, Herrick & Turner, '95, pp; 168-169; pi. 

 XLL, fig. 20. 



About Augusta, this form is abundant in ditches and 

 marshes with a water temperature of 4° to 12° C. 



scAPHOLEBEBis Schoedler. 



20. SCAPHOLEBERIS MUCRONATA Mueller. 



Scapholeberis mucronata, Birge '78, pp. 8-9; pi. I., fig. 7. 

 Scapholeberis mucronata, Herrick & Turner, '95, pp. 174-175; pi. 

 XLIIL, fig. 4-7; pi. XLV., fig. 5. 



This species was found, in abundance, in several of the 

 temporary ponds having a temperature of from 4° C. to 

 10° C. 



