168 



Part III. — lliirteenth Annual Report 



Genus Laophonte, Philippi. 



Laophonte intermedia, n. sp. (PI. III. figs. 10-20). 



Description of the species. — Female, length •/ mm. of an inch). 

 Body robust and slightly arcuate, rostrum short and broadly rounded. 

 Antennules short, stout and five-jointed ; the fourth joint very short, the 

 others subequal in length. The proportional lengths of the joints are 

 nearly as follow : — 



Proportional lengths of the joints, 18 ■ 20 • 20 ■ 6 • 18 

 Numbers of the joints, 2 ' 3 ' 4 * b 



The first joint of the antennae is somewhat dilated, but the second joint 

 is narrow, — both are of nearly equal length ; secondary branch very small, 

 one-jointed (fig. 13). 



Mandible-palp narrow, elongate and hirsute, and furnished with three 

 terminal setae (fig. 14). Posterior foot-jaw stout, armed with a powerful 

 terminal claw strongly hooked at the end (fig. 15). The first joint of the 

 inner branch of the first pair of swimming feet is of great length, being 

 about six times longer than broad ; second joint short, and armed with a 

 strongly hooked claw, scarcely twice the length of the joint from which 

 it springs. Outer branch moderately stout, two-jointed ; a stout short 

 spine springs from the upper half of the outer margin of the second basal 

 joint ; a considerable portion of the integument of this joint and of the 

 outer branches is densely hirsute on the outer aspect, as shown in the 

 drawing (fig. 16). Inner branches of the fourth pair short, two-jointed, 

 joints subequal (fig. 17). Fifth pair foliaceous, somewhat resembling 

 those of Laophonte hispid a ; the produced portion of the basal joint is 

 furnished with four moderately long and stout setae on the inner distal 

 margin and apex ; the setae on the secondary branch are shorter — at the 

 apex there is one stout, plumose and very long slender seta • other three 

 setae spring at irregular intervals along the outer edge (fig. 18). Caudal 

 stylets as long as the last abdominal segment, robust, sub-conical, strongly 

 notched near the middle of the outer margin, and provided each with a 

 stout conical, terminal spine ; the integument of the abdominal segments 

 and caudal stylets is more or less covered with minute setae, as shown in 

 the drawing (fig. 20). Male, — The male closely resembles the female 

 except in the structure of the antennules, the fourth joint of which is con- 

 siderably dilated, while the next three are narrow, and together form a 

 hooked claw (fig. 12). The fifth pair of thoracic feet in the male are 

 very small (fig. 19). 



Habitat. — In shore pools at Musselburgh, Firth of Forth, and at Port 

 Erin, Isle of Man. 



Remarks.- — This species appears to be intermediate between Laophonte 

 lamellata and Laophonte hispida, but is quite distinct from both ; it could 

 easily be distinguished by the peculiar form of the caudal stylets alone, 

 though mixed up with numbers of other Copepoda. 



Genus Cletodes, Brady (1892). 



Cletodes similis, n. sp. (PI. III. figs. 22-26 ; PL IV. figs. 1-3). 



1892. Cletodes lata, T. Scott, variety (?), Tenth Annual Report of 

 the Fishery Board for ' Scotland, Part III. p. 257, PI. X. 



; , %• 18. 



Description of the species. — Female, length *65 mm. (^§- of an inch). 

 Resembling Cletodes lata, T. Scott, in general appearance. Antennules 



