PONTELLA. 7 3 



1. PONTELLA WOLLASTONI, LuhbocJc. PI. X A, figs. 



1—12. 



Pontella Wollastoni, Lubbock. Ann. and Mag. Nat. Hist, series 



2. vol. xx, p. 406, pi. xi, figs, 9—11, 18, 



and pi. x, fig. 13, (1857). 



— helgolandica, Claus. Die frei-lebenden Copepoden 



p. 208, taf. iii, figs. 5 — 7 ; taf. xxxvi, figs. 



1—10 ; taf. xxxvii, fig. 7, (1863). 



Body elongated ; anterior antennas about as long as 

 the cephalothorax, that of the male, on the right side, 

 having two hook-like spines, one on the sixteenth and 

 one on the seventeenth joint (fig. 2). The inner 

 branch of the mandible palp is 4-, the outer 2-jointed. 

 The right foot of the fifth pair in the male is 4- 

 jointed (fig. 10) ; the second joint very broad, and 

 produced at the inner margin into a long hookdike 

 spine, the third joint slender, forming a movable 

 prehensile hand, to which is attached the fourth 

 joint in the shape of a strong claw; the foot of the 

 left side (fig. 9) consists of a broad 2-jointed basal 

 portion, to the extremity of which are attached two 

 short branches, one subtriangular, which terminates in 

 two small claw-like processes, the other broad, 

 2-jointed, the terminal joint bearing three mar- 

 ginal setge, and a fringe of short fine hairs. The 

 rostrum is broad and strong. Lateral angles of the 

 last thoracic segment equal and armed with short 

 hooks. Abdomen slender ; riie last two segments, in 

 the male, short ; caudal segments elongated, in the 



