ASTACID.E. 



151 



of the preceding joint ; second pair slender, two- 

 fingered ; body depressed. 



C. vulgaris. Fig. 284 ; i n. s. 

 fasciatus. 

 spinosus. 

 sculptus. 

 trispinosus. 

 bispinosus. 



Family V. Astacid^;. 



Nejjhrops (Leach). Eyes large, kidney-shaped; 

 first three pairs of feet two-fingered ; the hands 

 of the first long, unequal, strongly angled, and 

 notched ; abdomen sculptured. 



N. Norvegicus. Fig. 285 ; i. n. s. 



2S5 



Homarus (M.-Edw.). Eyes round; last ring of 

 the carapace immoveable ; first three pairs of feet 

 two-fingered; the hands of the first very long 



