116 Eev. A. M. Norman's Notes on British Amphipoda. 



Genus III. Lilljeboegia, Bate, 1862. 



{ = Iduna, A. Boeck, 1860 (name in use), =Microplax, 

 Lilljeborg, 1805 *.) 



1. Lilljeborgia pallida, Bate. (PI. X. fig. 10.) 



1855. Gammanis pallidm, Bate, Brit. Assoc. Rep. p. 55. 



1859. Ganunnnis brevicornis, Bruzelius, Skand. Ampliip. Gamm. p. 62, 

 pi. iii. fig. 11. 



1860. Ichoia brevicornis, A. Boeck, Forh. ved de Skand. Natiirf. 8de 

 Mode, p. 646. 



186^. Lilijeborr/ia pallida, Bate, Cat. Ampliip. Brit. Mus. p. 118, 



pi. XX. fig. 5. 

 1862. Lilljchorqia pallida, Bate & Westw. Brit. Sessile-eyed Crust. 



vol. i. p. 203. 

 1876. Lil/Jeborf/ia pallida, A. Boeck, De Skand. og Arkt, Ampkip. 



p. 497, pi. xviii. fig. 9. 



The Gammarus pallidus of Goes is Lilljeborgia Jissicornis, 

 M. Sars, and not the present species. 



Hah. Oban ; off Cumbrae, 20-25 fatli. [A. M, N.) : Mus. 

 Norm. 



Distribution. Tromso (S. Schneider) : Mus. Norm. South 

 and West Norway, 50-300 fath. {G. 0. Sars) ; Sweden 

 {Bruzelius) ; Finmark [Loven) ; South-west France {Chev- 

 reaux &c.) ; Mediterranean {Catta &c.). 



2. Lilljeborgia picta, n. sp. (PI. X. figs. 5-9.) 



Antennules (fig. 5) shorter than peduncle of antennse, 

 secondary appendage consisting of only three articulations, 

 (the distal very minute), subequal in length to two joints of the 

 flagellura. Antennai : last joint of peduncle two thirds length 

 of the penultimate, flagellum eight-jointed, rather longer than 

 last joint of peduncle. First gnathop)ods with wrist not pro- 

 duced into a calx, the hand widening gradually from base to 

 extremity ; palm oblique, well arched, scarcely occupying 

 more than one third of total length ; anterior portion of hinder 

 margin with about six transverse rows of simple setce and a 

 small spine at commencement of palm. Second gnathopods 

 (fig. 7) : wrist with no produced calx ; hand ovate, palm 

 occupying half the length, and forming with the anterior 

 portion a continuous arch, so that greatest width is at the 

 commencement of the palm, where there is a single spine ; 

 the margin anterior to this with fascicles (about seven) of 



* Lilljeborg, ' On Lysianassa magellanica and Crust. Li/sianassina/ 

 p. 19. 



