ZOSIME. £5 
three following pairs 3-jointed. Fifth pair small, 
2-jointed. 
1. Zostme typica, Boeck. Pl. XXXIX, fies. 1—12. 
Zosime typica, Boeck. Nye Slegter og Arter af Saltvands- 
Copepoder, p. 14 (1872). 
Female.—Body robust, truncated in front; no 
distinct separation between thorax and abdomen, head 
small, coalescent with first thoracic segment; rostrum 
short, thick, and squared at the apex, which bears two 
small hairs; abdomen but little more slender than the 
cephalothorax, tail-segments much narrower than 
the last abdominal ring. JFirst two joints of the 
anterior antennee large and nearly equal, each of them 
equal to the united lengths of the four following joints ; 
all except the first jomt densely clothed on the outer 
margin with stout, strongly plumose hairs (fig. 3). 
Second pair of antenne (fig. 4) 3-joited; basal 
joint about as long as the two following, and giving 
origin to a large triarticulate secondary branch ; both 
branches plentifully provided with strongly plumose 
spine-like sete. Mandible short, broad, and strongly 
toothed (fig. 5) at the extremity ; basal joint of the palp 
produced internally into a digitiform process (a). 
Maxille composed of a broad main segment (fig. 6), 
with three or four small setiferous digits. Second 
foot-jaws (fig. 8) having three apical sete, one long 
and plumose, the other two small. The two joints of 
the inner branch of the first foot are of equal length ; 
