Structure of the Larva of Epischura Lacustris. 
549 
EXPLANATION OF PLATES. 
marsh. Epischura Lacustris. 
PLATE XII. 
Fig. 1—Abdomen of larva of male Epischura Lacustris , X 304. 
Fig. 2—Abdomen of larva of male Epischura Lacustris , X 155. 
Fig. 3—Abdomen of larva of male Epischura Lacustris , X 155, 
Fig. 4—Abdomen of larva of male Epischura Lacustris , X 112. 
Fig. 5—Abdomen of mature male Epischura Lacustris , X 112. 
PLATE XIII. 
Fig. 1—Fifth feet of larva of male Epischura Lacustris, X 375. 
Fig. 2—Fifth feet of larva of male Epischura Lacustris , X 375. 
Fig. 3—Fifth feet of larva of male Epischura Lacustris , X 225. 
Fig. 4—Fifth feet of larva of male Epischura Lacustris , X 140. 
Fig. 5—Fifth feet of mature male Epischura Lacustris , X 140. 
