48 G 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) ECHBTUS TTPICUS. $ . 



EcJietus typlcus Kr. Bidrag til Kundskab, 1863, p. 315, pi. xv. 

 fig. 6. 



'to 



Host : Oorvina unimaculata. New Orleans. 



G. 7. LoPHURA Kollar. 



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

 segment, having two wing-like processes at its base ; neck slender. 

 Grenital segment squarish, giving off posteriorly two bundles of 

 filiform appendages. 



(1) LoPHURA EDWAEDST. J. 



Lojjhitra edivnrdsi C. Clans, Nat. Zeitscbrift, 1860, pi. x. fig. 11. 

 Host : — ? Mediterranean. 



Gr. 8. LEENiEOLOPHrs Heller. 



Head globular, carrying three strong branching horns ; neck 

 long, cbitinous, curved. Genital segment S-sbaped, bearing over 

 the posterior or abdominal portion extremely numerous, long, 

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

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



(1) Leen^olophus sultantjs. $ . 



Lernceoloj)hus sultanus Heller, Eeise d. Novara, 1865, p. 251, 

 pi. XXV. fig. 7. 



Penella sultava M.-E. Hist. Nat. Crust, iii. 1840, p. 523. 



In Coll. Brit. Mus. 



Hosts : Scrranus scriba, S. cabrilla, Mediterranean ; also Caranx 

 sp. 



(2) Leen^oiophus hemiehamphus. 5 . 



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

 pi. XV. fig. 7. 



Host : Hemirhamphus sp. West Indies. 



G. 9. Leen^a Linn. 



Head globular, with strong branching horns; neck cylindrical, 

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

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

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

 uuiramose ; all with plumose seta;. 



