AMEIRA. 37 



1. AMEIRA LONGIPES, Boeck. PL LIII, figs. 1 10. 



Ameiralongi/pes, Boeck. Oversigt Norges Copepoder, p. 49 (1864). 



Rostrum of moderate length, obtuse; last abdo- 

 minal segment longer than the preceding; tail seg- 

 ments about as long as broad. The second joint of 

 the anterior antenna is much longer and wider than 

 any of the following, the third joint is of mode- 

 rate size, the rest short and nearly equal in length 

 (fig. 1). Hand and claw of the second foot-jaw 

 slender (fig. 5). First joint of the inner branch of 

 first swimming-foot longer than the entire outer 

 branch (fig. 6), ciliated on the outer margin, and 

 bearing one long seta below the middle, and another 

 at the apex ; second joint short, with one apical seta, 

 third twice as long as the second and bearing two 

 long and one short setae ; the inner branches of the 

 second, third, and fourth pairs are 3-jointed, and 

 shorter than the outer ; but the second pair in the 

 male (fig. 8) has the third joint converted into 

 a long slender spine ; fifth pair small, the basal joint 

 broad, its inner segment not much elongated (fig. 9), 

 and armed with four setae; second joint long, oval, 

 ciliated on the lateral margins, and having five long 

 terminal setae ; in the male the outer joint is much 

 shorter (fig. 10), and the setae of both joints are 

 reduced both in number and size. Length -^th of an 

 inch (*85 mm.). 



A. longipes has been noticed in several dredgings, 

 but would seem to occur sparingly, not more than 



