CEUSTACEANS PROM THE TEOPICAL ATLANTIC. 371 



gn. 1, gn. 2. The first and second gnathopods. 

 prp. 1, 2, 3, 4, 5. The first, second, third, fourth, and fifth perseopods. 

 pip. Pleopod. 

 ur. 1, 2, 3. First, second, and third uropods. 

 T. Telson. 



PLATE LII. 



A. Scina stenopws (p. 354). 



Lateral view of the animal without the head, the natural size being indicated above. 

 A separate ventral view is given of the head and antennae, on the same scale as the 

 lateral view of the rest of the animal. 



For the separate figures the lettering is the same in all the Plates. 



B. Scina oedicarpus (p. 356). 



The full figure is given in dorsal view, as much of the ventral ganglionic chain being 

 shown as could be seen through the transparent integument. 



PLATE LIII. 



A. Scina rattrayi (p. 358). 

 The full figure is given in dorsal view. 



B. Scina concors (p. 360). 

 The full figure is given in dorsal view. 



PLATE LIV. 



A. Scina similis (p. 362). 



The full figure is given in dorsal view, the outline of the ovaries appearing as 

 seen through the transparent integument. 



[B. Scina uncijjes (p. 363). 

 The antennae and the limbs of one side are all drawn to the same scale. The 

 uropods are more highly magnified, being drawn on the same scale as the larger 

 figures 0^ prp. 3 ^nA. prp. 5. 



PLATE LV. 



A. Rhahdosoma piratum (p. 368). 

 The full figure is given in lateral view. 



B. Rhahdosoma brachyteles (p. 369). 

 The full figure is given in lateral view. 



