THE BRANCHIOPODA. 



245 



Fig. 63.— Anus glacialis—A, Lateral view, with the risfht half of the carapace cut 

 away. B, Dorsal view. <7, Anterior part of the body, ventral aspect. D, One of 

 the anterior, E, one of the middle, and F, one of the posterior limbs, without their 

 coxopodites. x, convoluted "shell-aland" in the carapace; y, caudal filament; 

 lb, labrura. 1, 2, 3, 4. Endopodite. 6. Exopodite. 7. Epipodite or branchia. F, 

 eye ; II', antennule ; IV, labrum ; V, VI', maxillae. 



