358 EXPLANATION OF PLATES. 



TAB. XV. 



Fig. 1. Eurycercw lamellatus. 



a. Superior auteuua. I. Inferior do. c. Mandible, d. Labrum. 

 d*. Jaws. e. First pair of feet. / Second do. (/. Third 

 do. h. Fourth do. i. Fifth do. k. Abdomen. I. Eye. 



2. Macrothrix laticornis, female. 



a. Inferior antenna. 



3. Bosmina longirostris. 



a. Inferior antenna. 



TAB. XVI. 



Fig. 1. Peracantha truncata. 



a. Inferior antenna, b. Intestine. 



2. Alona ovata. Fig. 3. Alona reticulata. 



4. Alona quadrangularis. 



a. Labrum. b. Abdomen. 



5. Acropems harp a. Fig. 6. Acropenis names. 



1 . Cliijdorus globosus. 



a. Jaws. b. Inferior antenna, c. Abdomen. 



N. Cliijdorus spharicus. 



9. Cawptocercus macrourus. 



(i. Abdomen. 



TAB. XVII. 

 Fig. 1. Polyphemus pediculns. 



ft. Inferior antenna, b. One of the first pair of legs. 



2. Evadne Nordmanni. 



a. View of the legs (frornLoveu). 



3. Pleuroxus trigonellus. 



a. Auteunule. b. First pair of feet. c. Abdomen. 



4. P. uncinatus. Fig. 5. P. hamatua. 



Fi.H 1 . A. Convoluted intestine of Euryccrcus lamellatus. 

 Fig. K. Do. of Chydoms globosus. 



it. (Esophagus, b, c, d. Convolutions. _/. Anus. 



