342 Eusirus 



Gnathopods 1 and 2 rather large, 5*^ Joint long, distally attenuated, 6*^ fully 

 twice as broad as long, palm evenly curved, finger nan-ow, long. Peraeo- 

 pods 1 — 5 rather slender. Peraeopods 1 and 2, 4*^^ Joint rather louger than 

 6*^ nearly twice as long as 5*^. Peraeopods 3 — 5, 2"^ Joint narrowly oval, 

 finely serrate behind. üropod 3, rami subequal, narrowly lanceolate. Telson 

 as in E. longipes (p. 341), but comparatively larger. L. 9 8 mm. 



Hardangerfjord, depth 564 — 752 m; Trondhjemsfjord. 



6. E. biscayensis Bonnier 1896 E. h., J. Bonnicr in: Ann. Univ. Lyon, u 26 

 p. 651 t. 39 f. 1. 



Peraeon segment 7 with slight carina ending in denticle, pleon segment 3 

 with carina ending in tooth. Head, rostrum narrow, as long as 1^* Joint 

 of antenna 1. Side-plate 1 quadrate. Pleon segment 3, postero-lateral margin 

 serrate. Eyes reniform. Antenna 2, ultimate and penultimate joints of 

 peduncle equal, flagellum calceoliferous. Mouth-parts in most respects nonnal, 

 but inner plate of maxilla 1 with 2 setae, outer with 8 spines. Gnathopods 1 

 and 2, 5*^ Joint elougate, bind lobe small, acute, with only 2 setae, 6*^ more 

 than twice as broad as long; the long, curved palm defined by a little 

 hollow with palmar spines. Peraeopods 1 and 2 very slender, 4**^ Joint not 

 longer than ö**». Peraeopods 3 and 4, finger nearly half as long as 6*^ Joint, 

 üropods 1 and 2 spinulose, outer ramus little shorter than inner. Telson 

 minutely notched at apex. Antenna 1 except P* Joint, terminal joints of 

 peraeopod 5, and uropod 3 unknown. L. Q 12 mm. 



Bay of Biscay. Depth 940 m. 



7. E. minutus 0. Sars 1893 E. m., G. 0. Sars, Crust. Norway, v.l p.419 1. 147 f. 2. 



Body rather stout, bind part distinctly carinate, peraeon segment 7 

 and pleon segments 1 and 2 produced to a dorsal tooth. Head, rostrum 

 pretty well developed, latei'al corners transversely truncate. Side-plate 1 

 well expanded, both corners smoothly rounded. Pleon segment 3, postero- 

 lateral corners narrowly rounded. margin tinely serrate only a little way 

 up, serration turning the corner. Eyes faintly traced in specimens in spirit. 

 Antenna 1 in 9 short, 1^* Joint thick, longer than 2^ and 3^ combined, 

 with acute apical lobe, inner lobe of 2*^ Joint bidentate. flagellum rather longer 

 than peduncle, 10-jointed, without calceoli, accessory flagellum very minute. 

 Antenna 1 in c? much longer, flagellum about thrice as long as peduncle, 

 with many joints, several of the proximal densely clothed with sensory setae. 

 Antenna 2 alike in ö and 9 , ultimate Joint of peduncle shorter than 

 penultimate, flagellum about '/., as long as peduncle. Gnathopods 1 and 2 

 not very strong, process of 5*^ Joint long, narrow, G*'^ scarcely shorter than 

 breadth at base. distally somewhat widened, palm little curved. Peraeo- 

 pods 1 — 5 slender, Iftss elongate than in E. propiuquus (p. 340). Peraeo- 

 pods 1 and 2, 4*'^ Joint as long as 6**^, not nearly twice as long as 5*^ 

 Peraeopods 3 — 5, 2*^ Joint strongly serrate behind. in peraeopod 5 broadly 

 oval, scarcely at all tapering distally as in other species. üropod 3, outer 

 ramus much shorter than inner. Telson rather long, tapering throughout, 

 cleft scarcely Vo of length, apices acute, standing well apart. L. 9 about 6 mm. 



TrondhjemsQord. Depth 752 m. 



8. E. holmii H.J.Hansen 1887 E.h., H.J.Hansen in: Dijmphna Udb., p.224 

 t. 22 f. 1— Ib i 1893 E. h., G. O. Sars, Crust. Norway, v. 1 p. 416 ] 1893 E. cusjndatus 

 (part.), A. DellaValle in: F. Fl. Neapel, v. 20 p. 669. 



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