COPEPODS OF THE WOODS HOLE REGION 



151 



a stout spine having two others at its base on the inside ; second basi- 

 pod of right fifth leg shorter than the hand of the chela; finger of 

 chela reaching considerably beyond the thumb. Total length, 

 3-3.5 mm. 



Reviarks. — The long ragged streamer trailing backward from the 

 right side of body in the female and the size and form of the fifth 

 legs in the male are the best means of identification. The species is 

 probably common along the Atlantic coast at least as far south as 

 Chesapeake Bay. 



PONTELLA SECURIFER Brady 



FiGXJBE 102 



Pontella securifer Brady, Voyage of H. M. S. Challenger, vol. 8, pt. 23, Copepoda, 

 p. 96, pi. 45, 1883. — Giesbkecht, Fauna und Flora des Golfes von Neapel, 

 vol. 19, p. 461, pis. 24, 40, 1892. 



Occurrence. — Twelve males and females in a surface tow, Station 

 2223, Albatross, south of Nantucket. 



Figure 102. 



-Pfintella securifer: a. Female, dorsal ; 6, male, fifth legs ; 

 c, female, fifth leg 



Distribution. — Tropical Pacific (Brady) ; Malta (Thompson) ; 

 Gulf of Guinea (T. Scott) ; tropical Atlantic and Pacific (Gies- 

 brecht) ; Indian Ocean, Ceylon (Thompson and Scott) ; Bay of 

 Bengal (Sewell) ; Atlantic and Indian Oceans (Wolfenden) ; South 

 African seas (Cleve, Stubbing) ; Malay Archipelago (A. Scott). 



Color. — Apparently no author reporting this species has seen any- 

 thing but preserved material, and no color statement has been made. 



Female. — Base of rostrum swollen into a conspicuous sphere, made 

 up of two rostral lenses whose inner walls touch each other ; corners 

 of fifth segment asymmetrical, the left lobe reaching the center of the 

 caudal rami, both lobes mucronate; urosome 2-segmented, the genital 



