io8 



The hish Nahiralisi. 



May, 



that this crustacean moves in shoals in search of its food, 

 and that no certain rule can be laid down as to its feeding 

 grounds up to the present. Moreover, the instrument used 

 for its capture must be taken into consideration. I under- 

 stand that Mr. Welch used a small marine dredge ; and this, 

 however lightly it may be made, must, I think, sink more or 

 less in the mud, and thus collect only occasional specimens, 

 whereas, on hard ground, more success would result, even 

 though the animals were scarce. I am not able to state any- 



B 



Fig. 2. A. 'P.mhryo o{ Mysis relicta. Later stage. Magnified 



From brood pouch of female. Lough f; rue. 

 F'ebruary ii, 1904. 



B. Head Region.) ,, , . , , 



C. Tail Region, j ^^°'^ ^'^^'^^ magnified. 

 a. auditory organs, b. maxilla, c. gnathopod. 



thing as to the abundance or otherwise of Mysis elsewhere in 

 Ivough Corrib, for I had no opportunity of testing any other 



