PTLUMNUS. 39 



pretty trait of cancerine character, and one not unworthy 

 of their acute instinct and sagacity in other respects. The 

 male displayed no appearance of the moult, its coat being 

 of a shelly hardness. I have no doubt that the claw of its 

 mate was unintentionally torn off, in its efforts to grasp some 

 hold, when resisting my tugs in dragging him out." 



Gen. 10. PILUMNUS, Leach. 



Carapace convex above, and more or less covered with 

 longish hairs. Outer antennse with the first joint small ; 

 second joint nearly as long as the first, lodged in the inner 

 orbital canthus, and extending beyond the front. Four hind 

 pairs of legs hairy. Abdomen in both sexes of seven joints. 



Pilumnus hirtellus, Linn. sp. Hairy Crab. — Latero- 

 anterior margins of carapace, with four spines placed on the 

 same line; front divided by a deep fissure down the middle. 

 Pore legs unequal in size. The colour of this Crab is 

 brownish-red, with dull yellow spots. The legs are banded 

 with a dull yellowish colour. 



Pound on the southern and western coasts of England, 

 and also on the Irish coasts. On the South Devon coast 

 the Eev. Alfred Norman finds it in fifteen fathoms. 



