REPORT ON THE AMPHIPODA. 1169 



" First Maxilla? with the inner plate small. 



" Maxdlipeds with the outer plate small, furnished on the inner margin with few but 

 strong teeth ; the inner plate broad ; the last joint of the palp almost unguiform. 



" Upper Antenna only a little longer than the Lower; the flagellum multiarticulate ; 

 the accessory flagellum small. 



" Lower Antennae in the male much stronger than in the female, almost pediform ; 

 flagellum of several joints, its last joint armed with two curved spines. 



" First Gnathopods strong ; the hand subcheliform. 



" Second Gnathopods much slighter and narrower than the first ; the hand not to any 

 great extent subcheliform. 



" First and Second Perseopods slightly built. 



" Fourth Perseopods longer than the Third, Fifth than the Fourth ; the first joint in 

 these three pairs little dilated. 



" Third Uropods uniramous ; the peduncle dilated on the inner side. 



" Telson laminar." 



Unciola irrorata, Say (PI. CXXXVIII. C). 



1818. Unciola irrorata, Say, Joum. Acad. Nat. Sci. Philad., vol. i. pt. ii. p. 389. 



1840. „ „ Milne-Edwards, Hist. Nat. des Crust., t. iii. p. 69. 



1S45. Glauconome leucopis, Kroyer, Naturh. Tidsskr., R. 2, Bd. i. p. 491, pL vii. fig. 2. 



1846. ,, „ Krpyer, Voy. en Skand., pi. xix. fig. 1. 



1847. Unciola irrorata, White, List of Crust, in Brit. Mus., p. 90. 



1854. ,, ,, Stimpson, Marine Invertebrata of Grand Manan, p. 45. 



1859. Cyrtliopliium Darwini, Danielssen, Nyt. Mag. for Naturv., Bd. 11, Hfte 1, p. 8 (Boeck). 



1862. Unciola irrorata, Sp. Bate, Brit. Mus. Catal. Amph. Crust., p. 279. 



1862. Unciola leucopes, Sp. Bate, Brit. Mus. Catal. Amph. Crust., p. 279, pL xlvii. fig. 3. 



1865. Glauconome leucopis, Goes, Crust, amph. maris Spetsb., p. 17. 



1870. ,, ,, Boeck, Crust, amph. bor. et arct., p. 179 (259). 



1874. Unciola irrorata, Verrill and Smith, Invert. Anim. Vineyard Sound, pp. 340, 567 (46, 



273), &c, pi. iv. fig. 19. 



1876. Glauconome leucopis, Boeck, De Skand. og Arkt. Amph., p. 636. 



1876. ,, „ G. 0. Sars, Prodromus descr. Crust, et Pycn. Exp. Norv., p. 360. 



1876. „ „ Norman, Proc. Roy. Soc. Lond., vol. xxv. p. 208 (S. I. Smith). 



1880. Unciola irrorata, S. I. Smith, Trans. Connect. Acad., vol. iv. p. 281. 

 1882. „ „ Sars, Oversigt af Norges Crustaceer, p. 114. 



1887. ,, ,, Hansen, Oversigt Dijmphna-Togtet inds. Krebsdyr. 



Maxillipeds. — Besides the three spine-teeth on the distal margin of the inner j^lates, 

 there is near the apex of the inner margin a more than usually prominent bent spine- 

 tooth ; on the broad outer plates the inner margin at the distal part has six spine-teeth, 

 while the apical margin has nine spines, of which the outer six are very slender and 

 much curved ; the nail or ungual spine of the palp is very nearly as long as the narrow 

 finger, from which it projects, and at the apex of which there are two or three setules or 



(ZOOL. CHALL. EXP. PART LXVII. 1888.) XxX 147 



