106 Ampelisca 



14. A. anomala 0. Sars 1882 A. a., G. ü. Sars in: Forh. Selsk. Christian., 

 nr. 18 p. 108 t. (i f. 2 | 1891 A. a., G. O. Sars, Crust. Norway, v. 1 p. 178 t. 62 f. 2 | 1893 

 A. aequicornis (part.), A. Della Valle in : F. Fl. Xeapel, v. 20 p. 478. 



Head transversely truncate, emarginate, lower corner acutely produced. 

 Side-plate 1 not concealmg base of antenna 2, Pleon segment 3, lower 

 hiud Corners quadrate; 4*^ with distinct carina ending angularly. Corneal 

 lenses larger but less refractive than usual, lower pair reraoved from lower 

 Corners and lower margin of head, pigment well dejfined, reddish. Antenna 1 

 in 9 considerabk more than half as long as the body, peduncle reaching beyond 

 penultimate Joint of peduncle of antenna 2, 2*^ Joint twice as long as P*, flagellum 

 30-jointed, 2^^ times as long as peduncle; antenna 2 nearly as long as 

 body. l^o lengith of antenna 1, ultimate Joint of peduncle longer than pen- 

 ultimate. Gnathopod 1, 6^^ Joint nearly as long as 5*^^: gnathopod 2 differing from 

 gnathopod 1 less than usual. Peraeopods 1 and 2, 7^*^ Joint considerably longer 

 than 5*^ and 6*^^ combined. Peraeopods 3 and 4 with o**^ Joint rather elongate. 

 Peraeopod 5, 2^ Joint longer than rest of leg, expansion obliquely rounded, 

 not reaching below 3^ Joint, which is longer than the 4^^, 6^^' fully. as long 

 as 4^*1 and 5*^ combined. 7^^ more than half length of 6^^. Üropod 3, 

 rami foliaceous, fringed with a few setules. Telson oval, scarcely twice as 

 long as broad, without dorsnl spinules. Body highly pellucid, nearly colour- 

 less. L. 9 7 mm. 



North-Sea (Korshavn fWest-Norway]), Hardängerfjord, Christianiafjord, North- 

 Atlantic (Cape Finisterre). Depth 188 — B76 m. 



15. A. spinipes Boeck 1861 A. s., A.Boeck in: Forh. Skand. ^'aturf., Mede 8 

 p. 653 I 1876 A. 8., A. Boeck, Skand. Arkt. Ainphip., v. 2 p. 526 t. 31 f. 5 | 1891 A. «., 

 (j. 0. Sars, Crust. Norway, v. 1 p. 173 t. 60 f. 2 | 1893 A. aequicornis (part.), A. Della 

 Valle in : F. Fl. Neapel, c. 20 p. 478. 



Head truncate nearly transversely, but with upper corner rather more 

 projecting than lower. Pleon segments 1—3 slightly earinate, 3'^ with lower 

 bind Corners nearly quadrate; 4**^ deeply impressed in front and with high 

 rounded carina behind. Corneal lenses small, distinct, lower pair removed 

 from lower corners of head; pigment irregulär, reddish, partly coated with chalky 

 white. Anteuny 1 in Q nearly half as long as body, peduncle just reaching 

 beyond penultimate Joint of peduncle of antenna 2, 2^ Joint not twice length 

 of f'S flagellum 32-jointed, about 3 times as long as peduncle; antenna 2 in 9 

 l^'g length of antenna 1, ultimate and penultimate joints of peduncle equal. 

 ■Gnathopod 1, 6**^ Joint decidedly shorter than 5*^'; gnathopod 2 much more 

 slender than gnathopod 1. Peraeopods 1 and 2, 7*^ Joint equal to 5^^ and 6*^ 

 combined. Peraeopods 3 and 4 as usual very spinous. Peraeopod 5, 2'^ Joint 

 as long as rest of leg, expansion obliquely ti'uncated. reaching to end of 

 3^ Joint, which is much longer than the 4^^; 6**^ ionger than 4*^^ and 5*^ 

 combined; 7*'^ ^^|^ length of 6*''. üropod 3 foliaceous, with short setae on 

 the confronted mai-gir.s in 9 . Telson very naiTow, without dorsal spinules. but 

 with 3 marginal spinules near each apex. Semipellucid, light yellowish, 

 with orange shadows and specks, peduncles of antennae with reddish tips. 

 L. 9 15 mm, d rather less. 



North-Sea, Skagerrak, North- Atlantic and Arctic ücean (South- audWest-Norway, 

 northwards to Lofoten Isles). Depth 56— 188 m. 



16. A. aequicornis Bruz. 1859 A. a., R. M. Bruzelius in: Svenska Ak. Handl., 

 n. ser. v.'i nr. 1 p. 82 t. 4 f. 15 j 1891 A. aeqvicornis, G. 0. Sars, Cni st. Norway, v.l p. 177 

 t. 62 f. 1 I 1893 .4. aequicornis (part.), A. Della Valle in: F. Fl. Neapel, ».20 p. 478. 



