1899.] PAEASIHC COPEi'ODA ON PISHES. 443 



(8) BOMOLOOHUS TBICEEOS. $ . 



Bomoloclius triceros B.-S. Ann. & Mag. N. H. ser. 7, vol. i. 

 1898, p. 2, pi. i. fig. 1. 

 In Coll. Brit. Mus. 

 Host : gills of Stromateus clnereus. Bombay. 



(9) BOMOLOCHUS DENTICULATUS. $ . 



Bomolochus denticulatus B.-S. Ann. &■ Mag. N. H. ser. 7, vol. li. 

 1898, p. 78, pi. iii. fig. 1. 



Hosts : gills of Sphyrcena jello and HemirhampJius far [H. com- 

 mersouii]. Ceylon. 



(10) Bomolochus gltphisodoktis. $ . 



Bomolochus glyphisodontis Kv.'Bidrag til Kuudskab, 1863, p. 223, 

 pi. xi. fig. 4. 



Host : gills of Glyphisodon saxatilis. Nicaragua. 



(11) Bomolochus parvulus. $ . 



Bomolochus parvulus Nordm. Mikrog. Beitrage, 1832, p. 135. 

 Host : gills of Amphacanthus rivulatus. 



(12) Bomolochus cornutus. 5 . 

 Bomolochus cornutus Claus. 



Host : Astrodermus coryphcenoides [Diana semilunata]. 



(13) Bomolochus sole^, $ . 

 Bomolochus solea Claus. 



Host : Pleuronectes solea [Solea vulgaris]. 



Gr. 2. Eegasilus Nordm. 



Ceplialothorax elongated, with five distinct segments, first large. 

 Anterior antennae 6-jointed, setaceous. Posterior antennae tri- 

 articulate, very loug, arai-like ; mouth placed some distance behind 

 these. First four pairs of thoracic limbs biraraose, triarticulate, 

 setiferous ; fifth pair aborted or uniramose. Abdomen consisting 

 of three joints, terminating in caudal plates provided with long 

 bristles. 



(1) Eegasilus sieboldi. (S . 



Ergasilus sieboldii Nordm. Mikrog. Beitrage, 1832, p. 15, pi. ii. 



„ „ Kr. Bidrag til Kundskab, 1863, p. 237, pi. xiii, 



fig. 2. 

 „ „ M.-E. Hist. Nat. Crust, vol. iii. 1840, p. 478. 



„ „ C. Claus, Neue Beitrage, parasit. Copepoda, 



1875, pi. xiii. fig. 12. 

 Hosts : gills of Cyprinus carpio, Esocc lucius, Silwrus giants. 



