WHERE FOUND. 267 



trum is more depressed ; anteriorly, there is less 

 development of the lateral branchial teeth, and 

 there is a relatively greater distance between the 

 fifth pair of pereiopoda. The pleon is almost 

 circular, and covers the entire surface of the 

 ventral region. 



The colour of the animal is of a reddish-brown, 

 which increases in brightness as it approaches 

 towards the extremity of the chelaB. In one or 

 two young females the carapace was smooth and 

 glabrous. 



Found in tolerable abundance in Esquimalt 

 and Victoria Harbours, and, indeed, in all the 

 sheltered inlets along the mainland coasts from 

 the mouth of the Fraser to San Francisco. 

 Dredged in about eight fathoms of water, but 

 easily obtained in pools at extremely low tides. 

 Its favourite haunt is under a large flat stone, or 

 hid under the seaweed that fringes the margin 

 of a pool. The specimen from which the draw- 

 ing was made was taken in Esquimalt Harbour. 



SAYAS LYRATUS (DANA). N. S. Explor. Exp. p. 80, pi. i., 

 fig. 1. From the Straits of Georgia, U. S. 



OREGONIA LONGIMANA, N. S. Pereiopoda prima in longi- 

 tudine bis carapacis. 



Carapace coarsely granulated or minutely 

 tuberculated, free from hairs, except upon the 



