198 Stenothoe 



side. Colour highly pellucid, whitish, with reddish patches; ova small, bluish 

 grey. L. 9 8*5 mm. 



Kortli-Atlantic (Norway) ; North-Sea, outside the great fisking banks. Depth 188 ni. 



12. S. marina (Bäte) 1856 Montagua marinus (nom. nud.), Bäte in: Kep. Brit. 

 Ass., Meet. 25 p. 57 • 1857 M. m., Bäte in: Ann. nat. Hist.. ser. 2 v.l^ p. 137 \ 1866 

 Froholmm marmnni, Cam. Heller in: Denk. Ak. Wien, i^. 26ii p. 14 j 1871 Stenothoe 

 marina, A. Boeck in: Forh. Selsk. Christian., 1870 p. 1-39 j 1892 S.m., Gr. 0. Sars, Crust. 

 Xorway, n 1 p. 236 t. 80 | 1861 S. danai, A. Boeck in: Forh. Skand. Xaturf., Made 8 

 ]). 655 j 1893 S. monoculoides (part.), A. DellaValle in: F. Fl. Neapel, ».20 p. 568. 



Body moderately slender. Head, lateral corners rounded. Side-plate 2 

 rather small, witli little tootli at lower hind corner, 3«^ distally expanded, 

 4"^^ nearly as wide as 2'^ aud 3'^ combined. Pleon segment 3. postero-lateraf 

 corners not stroügly produced. l'^yes small. round, well developed. dark red. 

 Antenua 1 in o nearly .half as long as body, 2^ Joint of peduncle shorter tliau 

 1***. flagellum longer than peduncle, 14— 18-jointed. Antenna 2 rather shorter 

 thau antenna 1, ultimate and penultimate joints of peduncle subequal, flagellum 

 10 — 12-jointed. Antennae 1 and 2 in d rather longer than in o. Gnathopod 1, 

 4^^ Joint produced nearly to apex of 5^'\ which is distally widened. 6*'' rather 

 longer thau 5^^\ distally widened, palm obliquely convex. Gnathopod 2 powerful, 

 ♦)^^ Joint broad at base and tapering in Q. longer and narrower at base in d, 

 palm well detined, almost all the length of the band, denticulate throughout and 

 in d coarsely so at the apex, finger very long, in d ciliate on inner margin. 

 Peraeopods 3 — 5, 4*^'' Joint rather expanded and produced, 2*^ Joint long 

 oval in peraeopod 4, broadly oval in peraeopod 5. Uropod 3, peduncle 

 with i) spines. subequal to ramus, of which 2'^ Joint is little shorter thau 1^'. 

 Telson oblong oval, obtusely pointed. 2 spines on each side. Colour pellucid 

 whitish, mottled with yellow and with pinkish patches. L. o 5, d 6 mm. 



Xorth-Atlantic and Xorth-Sea (Xorway, France, (rreat Britain); Adriatic. Dopth 

 37—94 m. 



13. S. bosphorana Sowinski 1898 S.h., Sowinski in: Mein. Soc. Kiew, (.15 

 ]).493 t. 11 f. 23 25 (24:-'); t. 12 f. 9-19. 



Closely resembling Proboloides grandimanus (p. 187). except in regard to 

 mandible. Head, rostrum feeble. Ey es rather large, round. Antenna 1 in d shorter 

 than antenna 2. first 2 joints equal, 3<^ about ^3 sis long as 2"^, all 3 almost bare, 

 flagellum with 11 or 12 joints. 1*^^ the longest: accessory flagellum rudimentary, 

 1-jointed. Antenna 2 in d. ultimate Joint of peduncle considerably longer than 

 penultimate. flagellum rather shorter than ultimate Joint of peduncle, with 

 8 joints, 1^'^ the longest. Antennae 1 and 2 in 5 differing from those of d, 

 antenua 1, flagellum with 15 joints, 1^* not longer than the foUowing; 

 antenna 2, ultimate and penultimate joints of peduncle much shorter than in d, 

 flagellum tlu'ice as long as ultimate Joint of peduncle. 11- or 12-joiuted. Mouth- 

 parts as usual in the genus. Gnathopod 1 in d, 4*'' Joint not nearly reachiug 

 apex of 5^^». 5^^^ rather longer than the narrowly oblong oval 6*^\ palm 

 oblique, ill-deflned, finger not large. Gnathopod 1 in , b^^ Joint much shorter 

 than 6*''. Gnathopod 2 in d. 4*^* and o*'' joints very short, 4*^* apically acute, 

 o*'^ cup-shaped, <i^*^ rather longer and much stouter thau 2**, oblong oval, 

 but with transverse apex serrate in 4 denticles and projecting outward 

 in a small tooth, over which the great finger bends, reaching nearly to end 

 of bind (or palmar) margin, this being bordered with setules interspersed 

 with 4 or 5 minute spines; inner margin of finger setulose, apex not oleft. 



