COPEPODS OF THE WOODS HOLE EEGION 



119 



Male. — Urosome more than half the length of the metasome, 5-seg- 

 mented; caudal rami less than twice as long as wide and symmetri- 

 cal; first antennae as long as in the female, the left one geniculate; 

 right fifth leg only half as long as the left, its end segment longer 

 than the other three segments combined, with a short spine near the 

 base, the third segment with long hairs on the inner margin; end 

 segment of left fifth leg half as wdde as long and, tapered but little 

 distally. Total length, 1.5-1.65 mm. 



Remarks. — This species can be distinguished by the short caudal 

 rami and the long first antennae and b}^ the detailed structure of the 

 fifth legs, especially those of the female. It is more or less of a 



straggler in this area. 



METRIDIA LUCENS Boeck 



Figure 79 



Metridia Jucens Boeck, Forh. Vid.-Selsk. Cliri.sti.inia, 1864, p. 

 tacea of Norway, vol. 4, p. 113, pi. 77, 1902. 



238. — Saes, Crus- 



FiGURE 79. — Metridia lucens: a, Male, dorsal ; b, female, dorsal ; c, female, right 

 first antenna; d, female, second leg; e, female, fifth logs (usually 3-srgmented, 

 instead of 4-segmented as here shown) ; /, male, fifth legs. (From W. M. 

 Wheeler) 



Occurrence. — Fifty males and females from the trawl wings, Sta- 

 tions 2195, 2236, 2237, Albatross, off Marthas Vineyard ; more than 

 1,000, including both sexes, taken by the Grampus in surface tows 

 at 20 different stations, and in vertical hauls at 60 different stations, 

 many of them within the present area. 



