414 Gmelina. Gmelinopsis 



4. G. pusilla (). Sars 1896 G. p., G. O. Sars in: Bull. Ac. St.-Petersb., ser. 5 

 v.i p.432 t. 2 f. 13-21. 



. Rather short aud stout, somewhat compressed, smooth. Head 

 slightly taperiii<^, rostrum sniall, distinct. lateral lobes angularly produced. 

 Side-platc 1 expanded ))olow and produced forwai-d. Pleon segments 2 and 3, 

 postero-lateral corners quadrate. Eyes small, rounded oval, dark. Anteuna 1 

 feeble, 2^ Joint subequal to 1^*, 3*^ mucli smaller, flagellum as long as pedunele, 

 7-jointed. Antenna 2 stouter, scarcely longer, flagellum small. 4-jointed. 

 Gnathopods 1 and 2 feeble, setose, in gnathopod 1 the 6^'' Joint oblong oval, 

 palm rather oblique, in gnathopod 2 more slender, not longer than 5*'^, oblong 

 quadrate, palm transverse. Peraeopods 1 — 5 nearly as in G. laeviuscula 

 (p. 413), but peraeopods 3 — 5 relatively shoiier, more setose, and 2** Joint of 

 peraeopod 5 broader, irregularly oval, üropod 1 not twice as long as uropod 2. 

 IJropod 3 much less robust than in G. laeviuscula, outer ramus tapering, 

 with few fascicles of spinules, 2*^ Joint small, distinct, inner ramus uaiTow, 

 about Vs ^s long as outer, with one apical spinule. Telson longer than 

 broad, cleft nearly to base, lobes each with 2 spinules on outer margin and 

 2 unequal ones on narrow apices. L. 5 mm. — d unknown. 



North Caspian Sea. 



24. Gen. Gmelinopsis 0. Sars 



1896 Gmelinopsis, Gr. O. Sars in: Bull. Ac. St.-Petersb., ser. 5 ?5. 4 j). 434. 



Peraeon segment 7 and pleon segments 1—3 dorsally earinate; marginal 

 tubercular carinae on peraeun segments 1 — 7. Side-plates 1 — 4 rather deep. 

 Antennae 1 and 2 short, slender. Antenna 1 the longer, accessory flagellum 

 small, 2-jointed. Mouth-parts nearly as in Gmelina (p. 412). Gnathopod 1 

 stronger than gnathopod 2. Peraeopod 5, 2** Joint strongly expanded. Uropod 3 

 rather short, outer ramus with small narrow 2*^ Joint, inner ramus small, 

 scale-like. Telson more or less deeply cleft, lobes apically narrow. 



2 species. 



Synopsis of species: 



Telson cleft nearly to base, lobes widely dehiseent ... 1. Q. tuberculata . p. 414 

 Telson cleft only to middle, lobes scarcely dehiseent . . 2. G. auiita . . . p. 415 



1. G. tuberculata O.Sars 1896 G. t, G.G. Sars in: Bull. Ac. St.-Petersb., ser. 5 

 ». 4 p. 435 t. 3 f. 1 19. 



Peraeon segment 7 and pleon segments 1—3 with median dorsal carina 

 formed by low obtusely rounded laminar expansious; peraeon segments 1 — 7 

 with distinct lateral tubercles. pleon segments 4 — 6 smooth. Head with 

 small distinct rostrum, lateral lobes small, angular, below each of them a 

 conspicuous boss-like prominence exteuds obliquely downward. Side-plates 

 1 — 4 deep, not very broad. slightly crenulate distally; side-plate 4 slightly 

 emarginate behind. Pleon segments 1 — 3, postero-lateral corners rounded 

 oft", fjyes rather small, oblong oval, slightly protuberant. Antenna 1, 1*** Joint 

 as long as 2^^ and 3^ combined, flagellum longer than pedunele. 12-jointed, 

 2* Joint of accessory flagellum minute. Antenna 2 little more than half 

 as long as antenna 1, ultimate Joint of pedunele much shorter than penultimate, 

 flagellum scarcely longer than ultimate, 4-jointed. Gnathopod 1, ö**^ Joint 

 shortj cup-shaped, 6*^ large, oblong oval, palm rather oblique, defined by an 

 obtuse Corner, earrying a sti'ong spine. Gnathopod 2 much feebler, 6**' Joint 



