486 ME. p. W. BASSETT-SMITH ON [Apr. 18, 



squarish genital segment. Abdomen as a long pedunculated sac, 

 terminating in two minute caudal appendages. Egg-tubes filiform ; 

 ovules uniseriate. The minute articulate appendages have not been 

 described. 



(1) ECHETUS TYPICUS. $ . 



Echetus typicus Kr. Bidrag til Kundskab, 1863, p. 315, pi. xv. 

 fig. 6. 



Host: Oorvina imimaculata. New Orleans. 



Gr. 7. LoPHUEA Kollar. 



Head oval, in the same straight line as the neck and genital 

 segment, having two vi'ing-like processes at its base ; neck slender. 

 Genital segment squarish, giving off posteriorly two bundles of 

 filiform appendages. 



(1) LOPHURA EDWAEDST. $ . 



Lopliura edivardsi C. Claus, Nat. Zeitschrift, 1860, pi. x. fig. 11. 

 Host : — ? Mediterranean. 



G. 8. LeenjEOLophtjs Heller. > 



Head globular, carrj'ing three strong branching horns ; neck 

 long, chitinous, curved. Genital segment S-shaped, bearing over 

 the posterior or abdominal portion extremely numerous, long, 

 tassel-like appendages. Eour pairs of limbs placed close behind 

 the head and near together. Egg-sacs long ; ovules uniseriate. 



(1) Lern^olophus sultantjs. 5 . 



LernceolojjJius sultanus Heller, Eeise d. Novara, 1865, p. 251, 

 pi. XXV, fig. 7. 



PenelJa sultana M.-E. Hist. Nat. Crust, iii. 1840, p. 523. 



In Coll. Brit. Mus. 



Hosts : Serranus scriha, S. cahrilla, Mediterranean ; also Caranx 



(2) Leek^olophtjs hemiehamphtjs. $ . 



Lerncea hemirJiamphi Kr. Bidrag til Kundskab, 1863, p. 318, 

 pi. XV. fig. 7. 



Host : Hemirhamphus sp. West Indies. 



- G. 9. Lern^a Linn. 



Head globular, with strong branching horns ; neck cylindrical, 

 chitinous. Genital segment strongly bent in S-shape, simple. 

 Egg-tubes long, convoluted. Eour pairs of thoracic limbs placed 

 close behind the head, the first two biramose, third and fourth 

 uniramose ; all with plumose setse. 



