106 JJE1TISH COPEPODA. 



palp composed of a wide basal joint and two uniarticu- 

 late branches ; anterior foot-jaws of moderate size, 

 posterior slender and forming a clawed hand. First 

 four pairs of feet having both branches 3-jointed ; inner 

 branch of the first pair elongated, first joint very long, 

 second and third extremely short and ending in two 

 slender claws, outer branch shorter, the middle joint 

 long, first and third short, ending in four claws ; fifth 

 pair 2-jointed, foliaceous. Ovisac single or double. 



1. DACTYLOPUS TISBOIDES, Glaus. PL LIV, figs. 1 16. 



Dactylopus tisboides, Glaus. Die frei lebenden Copepoden, p. 1 27, 

 taf. xvi, figs. 2428 (1863) ; Die Copepoden- 

 Fauna von Nizza, p. 27, taf. iii, figs. 1 7 

 (1866). 



Brady. Nat. Hist. Trans. Northumberland 

 and Durham, vol. iii, p. 131 (1868). 



? Normani, idem. Ibid., vol. iv, p. 441, pi. xx, figs. 



1317 (1872). 



Body robust ; head produced into a short, conical 

 beak; anterior antennae in the female 9-jointed (8- 

 jointed, Glaus), tapering gradually from the base, the 

 seventh and eighth joints being much the shortest 

 (figs. 2 and 14) ; hinge-joint in the male (fig. 3) be- 

 tween the sixth and seventh joints. Inner branch of 

 the posterior antenna (fig. 4) 3-jointed. Second foot- 

 jaw slender, the hand elongate-oval and ciliated on the 

 inner margin, near the middle of which is a single long 

 seta. Outer margins of both branches of the first pair 

 of feet densely setose and spinous ; first joint of the 

 inner branch longer than the entire outer limb, and 



