1899.] PAKASITIC OOPBPODA ON FISHES. 485 



Lernceentcus radiaius Stp. & Liitk. Bidrag til Kundskab, 1861, 

 p. 400. 

 „ „ Richiardi, Atti della Soc. Toscana Sci. 



Nat. A'ol. iii. p. 8. 

 Hosts : Clup€a tyrannus and C. mattowacca. 



(5) Lernjubnious nodicoenis. $ . 



Lernceenicus nodicornis Stp. & Liitk. Bidrag til Kundskab, 1861, 

 p. 401, pi. xiii. fig. 26. 

 „ „ Richiardi, op. cit. p. 8. 



Host : Coryphcena sp. 



(6) Lern^^ienicus inplexus. 5 . 



Lernceenicus inflexus Stp. & Liitk. op. cit. 1861, p. 401, pi. xiii. 



fig. 27. 



„ „ E-ichiardi, op. cit. vol. iii. p. 8. 



Host : gills of " Barracotta." Atlantic. 



(7) LeRN^ENICUS GEACILTS. $ . 



Lernceonema (jraciUs Heller, Reise der Novara, 1865, p. 249, 



pi. XXV. fig, 5. 

 Lernceenicus gracilis Richiardi, op. cit. vol. iii. p. 8. 

 Host : body of Lichia amia. 



(8) Lern^enicus polynemi. 5 . 



Lerncenema polynemi B.-S. Ann. & Mag. N. H. ser. 7, vol. i. 

 1898, p. 12, pi. vii. fig. 1. 

 In CoU. Brit. Mus. 

 Host : body of Polynemus tetradactylus. Bombay. 



(9) LeRjSTvEENICUS vorax. 2 • 



Lernceenicus vorcLv Riebiardi, op. cit. p. 9, pi. vii. figs. 1-21. 

 Hosts : Scicena aquHa, Corvina nigra, Lahrax lupus, &c. 



(10) LbRNjEENICUS neglectus. $ . 



Lernceenicus neglectus Eicbiardi, op. cit. p. 13, pi. vii. figs. 22-43. 

 Hosts : Mugil ceplicdus, M. capito, M. chelo, M. auratus. 



(11) LeRN^ENICUS MUSTELI. $ cj • 



Lernceonema musteli Y. Ben. Bull, de I'Acad. Belg. 1861, p. 154, 

 pi. xxix. 

 „ „ V. Ben. Ann. Sc. Nat. xvi. 1851, p. 125. 



In Coll. Brit. Mus. 

 Host : gills of Mustelus vidgaris. 



Gr. 6. ECHETUS Kr. 



Head obtuse, separated by a long thin neck from the short 

 Proc. Zool. Soc— 1899, No. XXXII. 32 



