18 



LEPTOPODTADyTl. 



DECAPODA. 

 BRACHYURA. 



LEPTOrODIADM. 



SLENDER-LEGGED SPIDER-CRAB. 



Inachus leptochirus. Leach. 



Specific character. — Feet slender, anterior pair in the male extending beyond 

 the penultimate joint of the second pair. Rostrum hastiform. Sternum in the 

 male with a round polished tubercle. 



Inachus hptocldrus. Leach, Malac. Brit. t. xxii. B. 



(errore leptorinchis) Edw. Hist. Crust. I. p. 289. 



The carapace in this species considerahly resembles that 

 of /. Borynclms. It is triangular, considerably longer than 

 it is broad, much narrowed forwards ; the rostrum hasti- 

 form, bifid at the extremity, and with a slight groove ex- 

 tending from thence backwards between the eyes. There 

 is a strong spine on the gastric region, a very small tuber- 

 cle on each hepatic, a spine on the latcro-anterior margin, 



