1908.] GENUS OP AMPHIPOD CRUSTACEA. 399 



covered by the large second pair, which are dilated iuferiorly ; 

 5th and 6th inferiorly bilobed ; 7th small, subquadrate. 



Branchial lamellce very large, much pleated. 



\st gnathopod enormously developed, subchelate, prehensile. 



Pleon : first 3 segments veiy large, rounded ; the 4th with a 

 deep depression dorsally ; the 5th the shortest. 



Uropoda with broadly lanceolate, serrate rami ; outer ramus of 

 3rd lu-opod bi-articulate. 



Telson small, broad, entire or apically incised. 



Literature. 



(1) 1853. Oosta, Achille. — "Descrizione di tre nuovi Crostacei 



del Mediterraneo, discoperti dal Rev, G. F. Hope." 

 Estratto dal fascicolo 83° della Fauna del Regno di 

 Napoli, pp. 3-6, pi, i. 



(2) 1853, Costa, Achille.— Fauna del Regno di ISTapoli. 



(3) 1860, Boeck, Axel. — " Bemaerkninger angaaende de ved 



de Korske Kyster forekommende Amphipoder." For- 

 handlinger ved de Skandinaviske Naturforskeres : 

 Ottende M<pde i Kj^benhavn, 8-14 de Juh, 1860, 

 pp. 631-677. Translated by W. S, Dallas, F,L,S,, in 

 ' Annals and Magazine of Natural History,' ser, 4, 

 no, 17, May 1869, 



(4) 1862, Spence Bate, Charles. — Catalogue of the Specimens 



of Amphipodous Crustacea in the Collection of the 

 British Museum. London, 1862, pp. 110-111, 

 pi. xiv a. figs. 5 &c. 



(5) 1865. Lilljeborg, William. — " Bid rag till Kannedomen 



om underfamiljen Lysianassina inom underordningen 

 Amphipoda bland Kraftdjuren, ' p. 9, in Upsala Uni- 

 versitets Arsskrift, 1865, Mathematik och Natur- 

 vetenskap, 1, — "On the Lysianassa magellanica 

 H, Milne-Edwards, and on the Crustacea of the 

 Suborder Amphipoda and Subfamily Lysianassina 

 found on the coast of Sweden and Norway," p, 18, 

 Nova Acta Societ. Scient. TJpsaliensis, ser. 3, vol. vi, 



(6) 1867. Costa, Achille, — Annuario del Museo Zoologico della 



R, Universita di Napoli, Anno iv., 1864. Napoli, 

 1867, 



(7) 1870. BoECK, Axel. "Crustacea Amphipoda borealia et 



arctica " in Christ, Yidensk. Selsk. Forhandlinger, 

 1870, p. 10. 



(8) 1872. BoECK, Axel. — " De Skandinaviske og Arktiske Am- 



phipoder." Forste Hefte : med 7 kobberstukne 

 Tavler. Christiania, 1872, pp. 95-97, pi. ii. fig. 1, 

 pi. iii. fig. 2. 



(9) 1882, Sars, George Ossian. — "Oversigt af Norges Crus- 



taceer," in Christ, Yidensk. Selsk, Forhandlinger, 

 1882, No. 18, p. 20, 

 Proc. Zool. Soc— 1908, No, XXYI. 26 



