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DEPARTMENT OF THE XAVAL SERVICE 



17. FAM. GASTEROSTEID^. 



Gasterosteus aculeatus (Linnaeus). 

 = G. hispinosus (Walbaum). 



The three specimens of this species taken would seem to be full-grown, living 

 pelagically in the neighbourhood of land. 



Their total length was 65, 44, and 38 mm. they were taken in surface hauls, at 

 Princess stations 28 and 2'9, and No. 33 station 13. 



G. aculeatus has an extraordinarily wide area of distribution in the northern 

 hemisphere, and is found down along the coast of America as far as New York. It 

 also penetrates up into the rivers. 



]8. FAM. SALMONID^. 



Mallotus villosus (Miiller). 



(ipiatie III, Fi'gis. 26 land 27 ; Table II k. ) 



Fig. 21. 



