748 THE VOYAGE OF H.M.S. CHALLENGEE. 



Genus Stenoihoe, Daua, 1852. 



1852. Stenotlwe, Dana, On the Classi. Crust. Chori.stopoda, Amer. Journ. Sci. and Arts, vol. xiv. 



1852. „ „ United States Expl. Exp. Crust., vol. xiii. pt. ii. pp. 909, 923. 



1853. Proholium, Costa, Rend. d. Soc. r. Borb. Acad. d. scienze. 

 1857. „ Costa, Ricerche s. crest. Amfip. Nap., p. 199. 

 1857. Montagua, Spence Bate, Ann. and Mag. Nat. Hist., No. ex. 

 1857. „ White, Popular Hist. Brit. Crust., p. 166. 



1860. Stenotlwe, Boeck, Forh. ved. de skand. Naturf. 8de M0de, p. 655. 



1861. Montagua, Bate and Westwood, Brit. Sessile-eyed Crustacea, vol. i. p. 53. 



1862. „ Spence Bate, Brit. Mus. Cat. Amph. Crust., p. 54. 

 1862. Stenotlwe, Spence Bate, Brit. Mus. Cat. Amph. Crust., p. 60. 



1865. „ LiUjeborg, On the Lysianassa magellauica, p. 18. 



1866. Proholium, Heller, Beitrage zur naheren KenntnLss der Amph. des Adriat. Meeres, p. 13. 



1869. „ Norman, Last Report on dredging among the Shetland Isles, p. 273. 



1870. Stenotlwe, Boeck, Crust. Amphip. bor. et arct. p. 59. 

 1876. „ Boeck, De skand. og arkt. Amph., p. 446. 



1880. Proholium, Nebeski, Beitrage zur Kenntniss der Amph. der Adria., p. 33. 



1885. „ Carus, Prodr. Faunas Mediterranefe, p. 407. 



1886. Stenothoe, Gerstaecker, Bronn's Klassen und Ordnungen, Bd. v. Abth. ii. p. 506. 



For the original definition see Note on Dana, 1852 (p. 257). Boeck's definition is as 

 follows : — 



" Mandibles without palp or molar tubercle. 



" First Maxilla wdth the palj) two-jointed. 



" Third Perseopods with the first joint not dilated behind. 



" Fourth Side-plates not excavate behind, but much rounded." 



Stenothoe adherens, n. s. (PL XXXIX.). 



Rostrum and lateral lobes of the head not very conspicuously outdrawn ; the postero- 

 lateral angles of the first and second pleon-segments acute, but not outdrawn, those of 

 the third segment blunt, the fourth segment with a small dorsal depression, the fifth 

 segment very short. 



Fyes between round and oval, low down on the sides of the head, the crystal cones 

 very bright ; the figure oc. does not show the whole number. 



Upper Antennse. — First joint longer than broad, much broader than the second, as 

 long as the second and third united ; the third not half the length of the second ; the 

 flagellum of seventeen joints, of which the first is longer than the third joint of the 

 peduncle ; they have apical setules and some of them cylinders. 



Lower Antennae. — First joint expanded, second very distinct from the first, gland- 

 cone very small, third scarcely longer than the second, the fourth longer and broader than 

 the fifth, with some small spines and setules on the convex upper, and setules on the 

 straight lower, margin ; both margins of _the fifth straight, carrying a few setules ; 



