COPEPODS OF THE WOODS HOLE REQIOlSr 65 



area the copepod is probably a straggler, coming northward from 

 the warmer tropical regions by way of the Gulf Stream. 



Genus PARAEUCHAETA A. Scott, 1909 



Head more or less fused with the first segment ; posterior corners 

 of fifth segment densely clothed with long hairs ; spines at the apex 

 of the maxillipeds densely fringed with short spinules only ; the long 

 spinules so characteristic of Euchaeta entirely absent; endopods of 

 first and second legs 1-segmented, of third and fourth legs and all 

 the exopods 3-segmented; fifth legs lacking in female, present and 

 biramose in male; end segment of left exopod very short and rudi- 

 mentary. 



KEY TO THE SPECIES (BOTH SEXES) 



1. Ventral protuberance on genital segment of female notched In 

 center; end segment of left fifth exopod in male broadly 



rounded distally norvegica (p. 65) 



Ventral protuberance on genital segment of female notched at 

 posterior corner; end segment of left fifth exopod in male 

 pointed distally barbata (p. 67) 



PARAEUCHAETA NORVEGICA (Boeck) 



FiGUEE 43 



Euchaeta norvegica Boeck, Forh, Vid.-Selsk. Christiania, 1872, p. 40. — Saks, 



Crustacea of Norway, vol. 4, p. 38, pis. 24-26, 1902. 

 Paraeuchaetai norvegica A. Scott, (Sfiftogro-Expeditie, 29a, Copepoda, pt. 1, p. 69, 



1909. 



Occv/rrence. — Males and females in abundance from trawl wings. 

 Stations 175, 935, 951, 953, 994, 1029, 1031, 1114, Fish Hawk; from 

 trawl wings. Stations 2042, 2093, 2173, 2195, 2210, 2219, 2224, 2230, 

 2236, 2715, Albatross; from hauls with vertical net. Stations 10295, 

 20044, 20077, 20081, 20107, 20112, 20115, Grampus; from surface 

 tow. Stations 34, 35, 36, Fish Hawk; from the stomach of a young 

 hake taken in Vineyard Sound in 1878. 



Distribution. — Norwegian coast (Boeck, Sars) ; Greenland, Ice- 

 land (Sars) ; North Sea (Mobius) ; North Atlantic (Cleve) ; Gulf 

 of St, Lawrence (Willey) ; Davis Strait, Denmark Strait, Iceland, 

 Faroe Channel, Greenland (With) ; Greenland (Vanhoffen) ; Gulf 

 of Maine (Bigelow) ; Chesapeake Bay (Wilson). 



Color, — In immature stages the body is light blue and translucent, 

 the abdomen is perfectly transparent, the swimming legs are also 

 transparent or slightly tinged with blue, the mouth parts are brick 

 red or blood red, the color being deeper in some parts and fading 

 away in others. This red pigment is sometimes diffused into the body 

 near the mouth parts and posterior to them, especially on the ventral 

 surface. 



