COPF.rOIIA. 



The antennules of the female (PL XII. fig. 7) short and 

 composed of six joints; the first joint is moderately stout 

 and longer than any of the others, there is a small tooth-like 

 process near the middle of the exterior margin and another 

 at the inner distal angle ; second joint shorter than the first 

 and armed exteriorly with a strong projecting tooth ; third 

 joint rather longer and less robust than the second ; the 

 fourth and fifth joints very small ; terminal joint longer than 

 the entire length of the two preceding ones. The antennules 

 of the males are modified for grasping, but the armature of 

 the first two joints is similar to that of the female (PI. XII. 

 fig. 8). 



Antennae moderately slender, secondary branch small and 

 one-jointed (PI. XV. fig. 11). 



First pair of thoracic feet somewhat like those of Lao- 

 phonte : inner branch elongated and two-jointed, the first 

 long and narrow, the other small and furnished with moder- 

 ately long and stout terminal claw ; outer branch very small, 

 and composed of a single joint which bears a few small setse 

 (PL XVI. fig. 7). 



Second pair rudimentary and one-branched, consisting of 

 a single short and moderately stout joint which bears a few 

 small setae (PL X. fig. 13). 



The third pair are also rudimentary and one-branched, but 

 two-jointed (PL X. fig. 14) and provided with two spini- 

 form terminal setae. 



The fourth pair are composed of two branches : the outer 

 branch is very short and stout and consists of three joints, 

 the first two of which bear moderately long and stout spine- 

 like setse. on their outer margins, the end joint is very small 

 and provided with two setae at the apex, one long the other 

 short and spiniform. Inner branch small, one-jointed, and 

 furnished with two elongated setae (PL XI. fig. 8). The 

 fourth pair in the male are smaller than in the female, and 

 the inner branch nearly obsolete (PL X. fig. 15). 



The fifth pair in the female are moderately large and 

 foliaceous : basal joint broadly triangular and provided with 

 about four plumose setae one at the apex and three on the 

 inner margin ; secondary joint ovate, the length being 

 equal to about twice the breadth, and furnished with four 

 plumose terminal setae (PL XVII. fig. 7). In the male the 

 fifth pair are very small and rudimentary. 



The furcal joints are slender and about equal in length to 

 {he last abdominal segment ; and the principal tail setae have 

 a dilated base as shown in the drawing (PL XVIII. fig. 5). 



Habitat. St. Mary's, Scilly Islands, May 11)03 ; rare. 



