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 Hyas 
HH. coarctatus, 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. Itforms an important part of the food of the cod. 
HH. 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; the legs 
are long, the chelipeds stretching fully two feet. 
Genus Pugetiia 
BP. gracilis. A small spider-crab found on the Pacifie coast from 
Alaska to Puget Sound. Its body is one half of an inch wide and 
Epialtus productus, the kelp-crab ; female. 
