280 Syrrhoites 



ti'iangular below. Pleon segments 1 — 3 very large, lateral corners of P* 

 rounded, of 2^ a little produced, of 3^ very acutely produced below a deep 

 sinus. above which the margin is serrate with 5 upturned teeth. p]yes not 

 even represented by pigment. Antenna 1 in Q , 1^* Joint a little longer 

 than 2*, 2^ than 3'\ flagellum less than peduncle, 9-jointed. accessory flagellum 

 small, 2-jointed. Antenna 2 in c scarcely longer,ultin]ate Joint of peduncle slightly 

 shorter tlian penultimate, flagellum about half as long as peduncle. Antenna 1 

 in d, 1^* Joint as long as 2^ and S*^ combiued, 1^' Joint of flagellum very 

 long, with long sensory filaments, accessor}^ flagellum much longer than in c . 

 Antenna 2 in d much longer, flagellum longer than peduncle. Maxillipeds, outer 

 plates fringed with 8 unusually strong spines. Gnathopods 1 and 2 very 

 small, 5*^ Joint narrow, not tapering, palm of 6*^ subequal to and making 

 very obtuse angle with bind margin, finger short, 2-jointed. Peraeopods 3 — 5,. 

 2^ Joint serrate on bind margin, 6^^ Joint very slender and long, espedally 

 on peraeopod 5. üropod 3. rami intermediate in length between outer and 

 inner ramus of uropods 1 and 2, outer ramus with shovt 2^ Joint. Telsou 

 oblong triangulär, cleft more than % of length, apices naiTow, bidentate, 

 contiguous. Colour yellowish grey. L. 8 mm. 



Aretic Ocean, North-Atlantic and North-Sea (West-Norway). Depth 282 658 ra. 



2. S. flmbriatus (Stebb. & D. Roberts.) 1891 Syrrhoe f., T. Stebbing & 

 D.Robertson in: Tr. zool. Soc. London, «. 13i p. 34 t. 5 b | 1893 S. f., A. DellaValle 

 in : F. Fl. Neapel, v. 20 p. 662 | 1895 S. f., A. 0. Walker in : P. Liverp. biol. Soc, r. 9 p. 304. 



Body faintly carinate, integument not indurated, peraeon segment 7 

 and pleon segments 1 and 2 apparently produced dorsally to a small tooth; 

 in the ö only, pleon segment 5 has a tooth projecting over segment 6. and 

 segment 6 is dorsally fringed with close-set spinules. Head curved in front 

 to a strongly deflexed carinate rostrum. Side-plate 3 rather widened below, 

 lower front corner rather acutely produced, 4**^ less deep. rounded below. 

 Pleon segment 3, postero-lateral corners acutely upturned. Antenna 1 in o, 

 1^* Joint longer than 2^, 2<^ little longer than 3*^, flagellum not longer than 

 peduncle, with 6 joints, 1** not very long, accessory flagellum with 2 joints, 

 2* minute. Antenna 2 in 9 subequal, ultimate and penultimate joints of peduncle 

 subequal, flagellum much shorter than peduncle, 5-jointed. Antenna 1 in c?, 

 1^* Joint longer than 2^ and 3*^ combined. flagellum rather longer than 

 peduncle, with 7 Joints, 1^* setose, as long as the other 6 combined, accessoiy 

 flagellum with 3 joints, 1'*^ long, 3^ minute. Antenna 2 in ö' much longer, ulti- 

 mate Joint of peduncle long, a little longer than penultimate, flagellum louger than 

 peduncle, about 1 2-jointed. Lower lip slightly incised on inner margin of outer 

 lobes, mandibular processes wide-spread. Mandible, cuttiug edge seemiugly 

 not dentate in 9, bidentate in c5', 3 "^ Joint of palp about as long as P*, 

 tipped with 5 long setae. Maxiila 1, inner plate with 8 setae. outer with 

 11 spines, spine-like setae on tip ol palp's 2^ Joint. Maxillipeds. inner plates 

 broad, outer fringed with 8 spines of moderate size. Gnathopod 1. 2*^ Joint 

 distally widening, 5*^ not very slender, not twice as long as 6*'S spinöse on 

 bind margin, 6*^ broadest where the short bind margin forms very obtuse 

 angle with the very oblique palm, finger short, abruptly narrowed at the 

 centi'e. Gnathopod 2 more slender, .5*^^ Joint twice as long as 6*^ 6*^^ in ö 

 with margins parallel all along, forming a minute palm much overlapped 

 by the small curved finger; in o palm oblique, corresponding with an oblique 

 row of spines on the band of the (S. Peraeopods 1 and 2 slight. Peraeo- 



