484 MK. p. "W. BASSE'lT-SMITH Olf [Apr. 18, 



Gr. 5. Leen^enicus Les. (Lemceonema M.-E.) 



Head rounded or obliquely pointed, with short, simple, horn-like 

 excrescences projecting backwards ; neck non-segmented, long, 

 passing gradually into the genital segment, which is in the same 

 straight line. Abdomen without penniform processes. Thoracic 

 limbs placed close together just behind the head, the two first 

 biramose, the third and fourth uniramose, all with two joints, 



(1) Leen^enicus spkatt^. 2 - 



Lerncea spratta Sowerby, Brit. Miscell. ii. 1806, p. 17, pi. Ixviii. 

 „ cydophora Blainv. Journ. de Physique, xcv. 1822, p. 436. 

 Lernoeocera surrirensis Blainv. Diet. Hist. Nat. xxvi. 1823, p. 117. 

 Lerncea ocularis Cuv. Eegne Animal, ii. vol. iii. 1830, p. 256. 

 Foroculum spratti Thompson, Cat. Mus. Coll. Surg. 

 Lemceonema monilaris M.-E. Hist. Nat. Crust, iii. 1840, p. 525, 

 pi. xli fig. 5. 

 „ spratta Baird, Brit. Entom. 1850, p. 341, pi. xxxv. 

 fig. 10. 

 baircU Salter, Ann. & Mag. N. H. (2) vi. 1850, p. 86, 

 pi. vii. fig.l. 

 „ monilaris Heller, Eeise d. Novara, 1865, p. 248, 

 pi. XXV. fig. 4. 

 Lernceenicus spratta Olsson, Prod. Faun. Copep. 1869, p. 46. 

 „ „ Eichiardi, IDescr. di Lernaeen., Atti Soc. 



Toscana Sci. Nat. vol. iii. 

 In Coll. Brit. Mus. 

 Host : Clupea spratta. Europe. 



(2) Leen^enicus bnoeasicoli. 2 . 



Lerncea encrasicoli Turton, Brit. Eauna, i. 1807, n. 108. 

 Lemceonema «icr«siooZi Baird, Brit. Entom. 1850, p. 341, pi. xxxv. 



Lernceenicus encrasicoli Olsson, Prod. Faun. Copep. 1869, p. 46. 

 „ „ Eichiardi, Atti dellaSoc. Toscana Ai Sci. 



Nat. vol. iii. 

 In Coll. Brit. Mus. 

 Hosts : Engraulis encrasicolus and Clupea spratta. 



(3) Leen^enicus abdominalis. $ . 



Lemceonema abdominalis M.-E. Hist. Nat. Crust. 1840, p. 525. 

 „ „ Stp. &Liitk.Bidrag til Kundskab, 1861, 



p. 398. 

 Lernceenicus abdominalis Eichiardi, Atti della Soc. Toscana, vol. iii. 

 Host : — ? Valparaiso. 



(4) Leek^enicus eadiatus. $ . 



Lernceocera radiata Lesueur, Journ. Ac. Nat. Sc. Philad. iii. 

 1824, p. 288, pi xi. fig. 1. 

 „ „ M.-E. Hist. Nat. Crust, iii. 1840, p. 528. 



