1899.] PARASITIC COPBPODA ON FISHES. 461 



(1) Dtsgamits atlantious. 5 S . 



Dysgamvs atlanticus Stp. & Liitk. Bidrag til Kundskab, 1861, 

 p. 368, pi. iv. fig. 8. 

 In Coll. Brit. Mus. 

 Host : " Shark." Atlantic and Indian Oceans. 



G. 14. EuETPHORUS Nordm. 



Carapace small, rounded. Frontal plates distinct. Fourth tho- 

 racic segment with two small dorsal plates. Genital segment large, 

 oval, with two minute posterior lobes. Abdomen biarticulate, very 

 elongated, spreading widely outwards and backwards as lamellar 

 appendages. Caudal plates small. First pair of thoracic limbs 

 biramose, biarticulate ; second and third biramose, triarticulate ; 

 fourth biramose, the outer with three, the inner with two joints. 



(1) EufiYPHOBUS NORDMANNI. J . 



Euryphorus nordmannii M.-E. Hist. Nat. Crust, iii. 1840, p. 462, 

 pi. xxxix. fig. 1. 



Host : — ? Waters of Asia. 



(2) EmiTPHOIlUS NYMPH A. $ S • 



Euryphorus nympha Stp. & Liitk. Bidrag til Kundskab, 1861, 

 p. 366, pi. vi. fig. 12. 

 „ corypJicence S Kr. Bidrag til Kundskab, 1863, p. 161, 



pi. X. fig. 4. 

 Host: Lampugus punctulatus [Coryphagna punctulata] and Gory- 

 plwena Tiippuras. Atlantic. 



G. 15. Teebius Kr. 



Carapace oval, large. Frontal plates distinct. Anterior antennae 

 biarticulate. Third and fourth thoracic segments free, without 

 dorsal plates. Genital segment short and broad. Abdomen long, 

 simple. Thoracic limbs all with two branches, those of the first 

 with two joints each, those of the second, third, and fourth 

 triarticulate. 



(1) Teebitjs caudatus. 5 . 



Trebius caudatus Kr. Tidsskrift, ii. 1838, p. 30, pi. i. fig. 4. 

 „ „ M.-E. Hist. Nat. Crust, iii. 1840, p. 458. 



„ „ Thompson, Ann. & Mag. N. H. xx. p. 248 



(1847). 

 „ „ Baird, Brit. Entom. 1850, p. 280, pi. xxxiii. 



fig. 3. 

 „ spinifrons'i M.-E. Hist. Nat. Crust, iii. 1840, p. 458, 



pi. xxxviii. fig. 1. 

 „ caudatus Kr. Bidrag til Kundskab, 1863, p. 149, pi. x. 

 fig. 1. 

 In Coll. Brit. Mus. 

 Hosts : Baja sp., Galeus vulgaris [G. canis], &c. 



