BIGELOW: COAST WATER EXPLORATION OF 1913. 



289 



C alarms finmarchicus was, by far the most widespread and abundant 

 species in 1913, as in 1912, very numerous in the Gulf of Maine in 

 every haul from ten or more fathoms (Fig. 69). This was generally 

 the case in the waters south of Nantucket also, as far as the edge of 

 the continental shelf (Station 10061), except for Station 10062, where 



Fig. 69. — Distribution of copepods, Jiily-August, 1913. 



N, Euchaeta norvegica: a, Anomolocera pattersoni; r, Rhincalanus 

 nasutus; p, Pleuromamma; e, Euchirella. j|!iij|| Southiern limit to abundant 

 Calanus flnmarchicus; c, occasional Calanus finmarchicus. :;: Northern 

 limit to Rhincalanus, Pleuromamma, and Eucliirella. 



it was wholly lacking, its place being taken by swarms of Ccntropages 

 typicus, and of the amphipod Euthemisto. But it was represented 

 by occasional specimens only, in the hauls off New York (Stations 

 10066, 10067) and further south; and only one specimen was detected 



