36 BRITISH PARASITIC COPEPODA. 



Genus 2. BOMOLOCHUS Nwdmann, 1832. 



Body elongated, subpyriform, and not unlike a 

 Cydops in general appearance. Antennules tolerably 

 short and composed of about seven joints. Antennae 

 small, three-jointed. Mandibles small, simple, and 

 furnished with unequal tooth-like processes. Maxillae 

 somewhat rudimentary. First maxillipeds small and. 

 two-jointed, the end joint attenuated, and provided 

 with a few marginal denticles and also with a mode- 

 rately stout marginal plumose seta which reaches to 

 about the apex of the joint. Second maxillipeds large, 

 composed of two joints, and armed with a terminal 

 claw, which is recurved in the female but not in the 

 male. Swimming-feet all biramose and with both 

 rami three-jointed ; the joints of the first pair lamelli- 

 form, and furnished with spathulate and densely- 

 plumose setse. Fifth pair of feet small and consisting 

 of a single biarticulated branch. 



The male does not differ greatly from the female, 

 except in the structure and armature of the second 

 maxillipeds. 



1. Bomolochus soleae Glaus. 

 (Plate I, fig. 3 ; Plate II, figs. 6-9 ; Plate III, figs. 1-4.) 



1864. Bomolochus soleae Glaus. (33) Zeitscbr. f. wiss. Zool., vol. xiv. 

 p. 374, pi. xxxv. 



1893. Bomolochus solex T. Scott. (Ilia) Eleventh Annual Report 

 Fishery Board for Scotland, pt. iii, p. 212. pi. v. 



1902. Bomolochus solex idem. (114) p. 288, pi. xiii, figs. 13-18. 



1906. Bomolochus solese A. Brian. (21) Copepodi Parassiti dei Pesci 

 d'ltalia, p. 31. 



1909. Bomolochus solese May E. Bainbridge. (3) Trans. Linn. Soc., 

 ser. 2 (zoology), vol. xi, pt. 3, p. 45, pi. viii. 



Female. Cephalic segment short, considerably ex- 

 panded, widest in the middle, forehead flattened, sides 

 rounded, length equal to rather more than half the 

 width ; each of the two thoracic segments which follow 

 are about equal to the length of the cephalic segment, 



