90 HISTORY OF BRITISH CRUSTACEA. 



first pair of false feet is very large, and have two wide folia- 

 ceous plates, the following have only one plate, of which 

 the size rapidly diminishes; in the female, all these ap- 

 pendages are much more developed, and form a support for 

 the eggs. 



Gen. 29. SCTLLAEUS, Fair. 



Carapace longer than wide ; the orbits situated not very 

 far from the front angles of this shield ; the sides of cara- 

 pace are parallel. 



These Crustacea are said to prefer shallow water with a 

 soft bottom, in which they dig holes deep enough to con- 

 tain them, and where they spend the greater part of their 

 time, only leaving this retreat when searching for their food. 

 Dehaan tells us that the Scj/llams ciliatus, a purplish-red 

 species with very small blue points, is a favourite food of 

 the Japanese (' Fauna Japonica/ p. 153). 



Scyllarus arctds, Linn. sp. The Broad Lobster. (Plate 

 VII. fig. 1.) — Beak-like prolongation of carapace very wide 

 but not projecting, and ending in front in a straight mar- 

 gin : carapace with scale-like tubercles, and armed on the 

 median line with a series of spines ; outer antennae large 

 and strongly toothed; abdomen sculptured above. Colour, 



