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CORYSTID^E, 



specimens from a sandy bottom in the open sea ; and he 

 states that the antennse in these young individuals are much 

 longer in proportion to the carapace than in the adult, — 

 some, with the carapace only three lines in length, having 

 the antennse six lines long. The habit quoted above from 

 Mr. Couch, of this species lying buried in the sand, with 

 the antennse only protruded, was also observed by Dr. 

 Drummond, and by Mr. Ball of Dublin. 



According to Mr. Hailstone's observations, the spawn is 

 shed in April and May. I did not find any spawn attached 

 to any of the eleven females which I took at Sandgate in 

 the latter month. 



