MAIAD^E. 



163 



FAMILY IX. MAIADJE. 



Maia (Lamk.). Carapace between round and 

 triangular, projecting into a double diverging stout 

 beak ; convex and very spinous : base of outer 

 antennae forming a part of the orbit: first feet 

 scarcely or not at all larger than the others ; claws 

 pointed. 



M. Squinado. Fig. 314 ; -I n. s. 



314 



Hyas (Leach). Carapace heart-shaped, broad 

 and rounded behind, with a double, converging, 

 thin beak ; a large, almost insulated tooth outside 

 each eye; outer antennae with the base inserted 

 into the base of the beak, and the second joint 

 dilated : first feet moderately stout, short. 



H. araneus. 



coarctatus. Fig. 315 ; 1 n. s. 





