INACHUS. CRUSTACEA. 157 



the eyes produced into a lanceolate projection ; rostrum fis- 

 sured, the laciniae approximating ; external antennae with the 

 first joint dilated, larger than the second ; exterior feet-jaws 

 with the second joint emarginate at the internal apex. 



H. araneus, Leach. Anterior part of the shell pointed, and termi- 

 nated by two spines, converging at their extremity ; upper and 

 posterior part covered by small tubercles ; legs very long, those 

 with the forceps thicker and shorter than the others. 3 inches 

 long. Inhabits British coasts. Pen. Brit. Zool. iv. pi. 9, fig. 1. 



Gen. 33. INACHUS, Fab. Lat. Cancer, Lin. 

 Exterior antennae distant, five times shorter than the body, se- 

 taceous, and inserted between the eyes and rostrum, with the 

 first three joints thicker than the following ; third joint of 

 the exterior feet-jaws as broad as long, and truncated oblique- 

 ly ; forceps strong, bent ; feet long, filiform, decreasing gra- 

 dually from the second to the fifth pair ; shell triangular, ter- 

 minated before by a bifid rostrum, and more or less rugged 

 and spinous ; eyes lateral. 



I. scorpio, Lat. (C. Dorseitensis, Pen.) Rostrum pretty short, 

 notched ; hood with a spine below ; shell with four small tuber- 

 cles placed transversely, and two rows of spines, three in each ; 

 hinder margin with two distinct obsolete tubercles. Inhabits coasts 

 of Britain Pen. Brit. Zool. iv. pi. 10, fig. 1. 



Gen. 34. MACUOPODIA, Leach. Stenorynchus, Lam. 

 Shell slightly spinous, and the beak long and fissured ; eyes dis- 

 tant, much thicker than their peduncles ; external antennae 

 half the length of the body, the second three times the length 

 of the first ; exterior feet-jaws slender ; palpi hairy ; four 

 anterior claws with their tips bent, the four posterior ones 

 abruptly curved at their base. 



M.pkalangium,lteach. (Cancer, Pen.) Beak acuminate, much short- 

 er than the antennae ; shell behind the rostrum with three tuber- 

 cles placed in a triangle, the hinder one largest ; arms internally 

 scabrous and hirsute. Inhabits British coasts Pen, Brit. Zool.iv. 

 pi. 9, tig. 3. 

 This species invests itself occasionally in leaves of fuci to ensnare its prey. 



Gen. 35. LEPTOPODIA, Leach. Maia, Bosc. Inachus, Fab. 



Shell not spinous, and the beak very long and entire ; eyes dis- 

 tant, globose ; external antennae half the length of the body, 

 the second joint three times the length of the first; exterior 

 feet-jaws slender ; palpi very hairy ; claws long, alike in form, 

 and slightly bent. 



L. sagittaria, Leach. Hands finely granulated ; beak on each side, 

 and the arms and thighs anteriorly, spinous. 1^ inch long. In- 

 habits the Caribbean sea. Zool. Mis. ii. pi. 67. 



