4S 



Part first. 



Fig. 187. Carcinus mamas 



(Green Crab), 



Va nat. size. p. 73. 



Fig. 138. Calappa grannlata 

 (Bashful-crab), 

 */2 nat. size. p. 73. 



Fig. 139. Lupa ha.vfal(i. 

 1 lz nat. size. p. 73. 



(Fig. 140. Dromia vulgaris 



covered with a sponge, 



/ s nat size. p. 73. 



Fig. 141. Ilia nucleus, 

 '/a nat. size. p. 73. 



Fig. 142. Dorippe lanata. 



^a nat. size. p. 73. 



