58 BRITISH COPEPODA. 
Genus 14, ATTHEYELLA, nov. gen. 
Like Canthocamptus, except that the inner branch 
of the first pair of feet is scarcely at all elongated, and 
is either 2- or 3-jointed ; those of the second and third 
pairs are l- or 2-jointed, the first jomt being very 
small; and that of the fourth pair consists of only one 
joint. 
1. AITHEYELLA SPINOSA, nov. sp. Pl. XLITI, figs. 15 
—18; and Pl. XLVI, figs. 
13—18. 
Female.—Anterior antenna (Pl. XLII, fig. 15) 8- 
jointed, joints subequal, fifth and seventh the smallest, 
sparingly setose; secondary branch of posterior antenna 
small (Pl. XLVI, fig. 13), l-jomted. First joint of 
inner branch of first foot (Pl. XLITI, fig. 17) about as 
long as the united lengths of the last two joints ; 
second and third joints nearly equal. Inner branches 
of the three following pairs (Pl. XLVI, figs. 15, 16) 
very short. Basal joint of fifth pair (Pl. XLII, 
fig. 18, and Pl. XLVI, fig. 17) very broad; inner 
segment produced, and bearing five or six very long 
curled setze; second joint narrow, and armed with a 
few sete, two of which are very long. The abdominal 
rings are fringed posteriorly with closely-set, long, 
spine-like sete (Plate XLVI, fig. 18); the principal 
tail sete are rather short and divergent, thick, and 
