104 



BULLiETIN" 15 8, UNITED STATES NATIONAL MUSEUM 



TEMORA STYLIFERA (Dana) 

 FlQUBH 69 



Calanus stylifcr Dana, Proc. Amer. Acad. Arts and Sci., vol. 2, p. 13, 1849. 

 Temora stylifera Giesbrkcht, Fauna und Flora des Golfes von Neapel, vol. 19, 

 p. 328, pis. 5, 17, 38, 1892. 



Occurrence. — Twenty-five males and females in surface tows, Sta- 

 tions 2038, 2204, Alhatross; 15 males and females from trawl wings, 

 Stations 2194, 2195, 2235, 2710, Albatross, south of Nantucket and 

 Marthas Vineyard. 



Distribution. — Sulu Sea (Dana) ; Philippines, Fiji Islands 

 (Brady) ; tropical Pacific, Ked Sea, Mediterranean (Giesbrecht) ; 

 Arabian Sea, Malay Archipelago (Cleve) ; off Kio de Janeiro 

 (Dana) ; tropical Atlantic (Brady, Cleve) ; Canary Islands, Malta 



(Thompson) ; Azores (Barrois) ; Trieste 

 (Car) ; Gulf of Maine (Bigelow). 



Color. — Body fairly transparent, with 

 3^ellow pigment in varying degrees in the 

 metasome, especially a large spot on either 

 side of the head; legs also often yellow. 

 The pigment is arranged in a network, 

 and on the dorsal surface of the head is 

 mixed with meshes of bright blue. Iso- 

 lated flecks of orange-red are found 

 around the mouth and between the bases 

 of the legs. The anterior intestine is a 

 muddy yellowish green, the ripe eggs are 

 bluish green, and the vulva is a dull green 

 (Rathbun). 



Fernale. — Posterior corners of fifth segment projecting backward 

 as broad, triangular, acuminate processes; caudal rami symmetrical, 

 six times as long as wide, the outer seta near the center of the lateral 

 margin ; the inner spine of the end segment of the fifth legs is much 

 longer than the two apical spines, which are about equal in size. 

 Total length, 1.45-1.75 mm. 



Male. — Spines at posterior corners of fifth segment straight and 

 reaching behind the posterior margin of the genital segment ; exopod 

 of second leg on the left side 2-segmented, on the right side 3-seg- 

 mented; terminal segment of left fifth exopod swollen into a sub- 

 spherical lamina, twice the width of the basal segment; proximal 

 portion of endopod also greatly swollen, distal portion abruptly 

 narrowed and falciform ; terminal claw on right leg bent back against 

 the outside of the leg, and fully as long as the latter. Total length, 

 1.35-1.55 mm. 



Remarks. — The sharp-pointed triangular processes at the corners 

 of the fifth segment, combined with the elongate and slender caudal 



FiGDRB 69. — Temora stylifera: 

 a. Female, dorsal ; 5, female, 

 fifth legs ; c, male, fifth legs 



