AMEIRA. ; Oo” 
1. Ametra toncrreHs, Boeck. PI. LILI, figs. 1—10. 
Ameira longipes, 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 sete; the inner branches of the 
second, third, and fourth pairs are 38-jointed, and 
shorter than the outer; but the second pair in the 
male (fig. 8) has the third jomt 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 sete; second joint long, oval, 
ciliated on the lateral margins, and having five long 
terminal setz; in the male the outer joint is much 
shorter (fig. 10), and the setz of both joints are 
reduced both in number and size. Length 3th of an 
inch (-85 mm.). 
A. longipes has been noticed in several dredgings, 
but would seem to occur sparingly, not more than 
