SPIDER-CRABS 



285 



near shore. It is not so thickly covered with spines, and has a longer 

 rostrum, which is also more deeply divided at the end. (Plate LXIII.) 



GENUS Hi/as 



H. coarctattis, the toad-crab. This species of spider-crab is found 

 from Greenland to New Jersey, in shallow as well as in deep water. Its 

 body resembles strongly, both in form and size, that of a toad, hence its 

 common name. It forms an important part of the food of the cod. 



H. lyratus. A toad-crab of the Pacific coast, ranging from Bering 

 Sea to Puget Sound ; named from the lyre-shape of its carapace. 



H. araneus. A species which especially resembles a toad in its 

 form. Found off the northern New England coast. (Plate LXIII.) 



GENUS Loxorhynchus 



L. crispatus, the sheep-crab. This crab occurs on the coast of south- 

 ern California. The body is thick and about three inches across the 

 widest portion, and tapers to a long, prominent rostrum. It is covered 

 with long tubercles and spines and with short, bristly hairs j the legs 

 are long, the chelipeds stretching fully two feet. 



GENUS fugettia 



P. gracilis. A small spider-crab found on the Pacific coast from 

 Alaska to Puget Sound. Its body is one half of an inch wide and 



Epialtus productus, the kelp-crab ; female. 



