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



G. 5. LEENji;ENictJS Les. (Lernceonema 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 pennifonn processes. Thoracic 

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

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



(1) LeEN^EENICITS SPRATTiE. 2 • 



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

 „ cydopliora Blainv. Joiirn. de Physique, scv. 1822, p. 436. 

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

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

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

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



pi. xli fig. 5. 

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



tig. 10. 

 „ lairdi 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, 'Descr. di Lernaeen., Atti Soc. 



Toscana Sci. Nat, vol. iii. 

 In Coll. Brit. Mus. 

 Host : Clupea spratta. Europe. 



(2) Leen^ekicus enceasicoli. 5 , 



Lemcea cncrasicoli Turton, Brit. Fauna, i. 1807, n. 108, 

 Lernceonema encrasicoU Baird. l^rit. Eutom. 1850, p. 341, pi. xxxv. 



fig. 11. 

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

 „ „ Eichiardi, Atti della Soc. Toscana di Sci. 



Nat. vol. iii. 

 In Coll. Brit. Mus. 

 Hosts : Engraulis encrasicolus and Clupea spratta. 



(3) LEENiEENICUS ABDOMINALIS. $ . 



Lernceonema ahclominalis M.-E. Hist. Nat. Crust. 1840, p. 525. 

 „ „ Stp.&Liitk.BidragtilKundskab, 1861, 



p. 398. 

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

 Host : — ? Valparaiso. 



(4) Leen^enicus eadiatus. 2 , 



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. 



