Ampelisca, Byblis 111 



setules. Whitish. pellucid, with a conspicuous carmine patch on side-plate 1. 

 L. scai'cely more tban 8 mm. 



NortL-Atlantic. Xorth-Sea and Skagerrak (Soath- and West-Norway up to 

 Trondhjenisfjord, British Isles); Xatt«gat. Depth 19 — 188 m. 



25. A. sarsi CheTreux 1888 Ä. 8., Cherreux in: C.-R. Ass. Fran^., Sess. 16 

 r. 2 p. 666. 



Closely allied to A. tennicomis. Head transversely tnmcate, similar 

 to A. typica (p. 109). Pleon segment 3 with lateral margin slightly prolonged 

 backward, rounded. segment 4 scarcely carinate in c , in d impressed and 

 with a high gibbous carina. Eyes not mentioned, but perhaps to be presumed, 

 as the head is eompared to that of A.lan-u/dta Liljeborg (p. 100). Antenna 1 in 9 

 much shorter than peduncle of antenna 2. Antenna 2 in c -^ length of 

 body, in d longer than the body. Peraeopods 1 and 2, 7**^ Joint as long aa 

 5*^ and 6'^ combined. Peraeopod 5, 2*^ Joint not reaehing end,of 3*^, 4*^ 

 Joint not overlapping 5*^. L. 7 mm. 



North- Atlantic (Croisic). Depth 15—20 m. 



A- agassizi (Judd) 1896 Byblis a., S. D. Judd in : P. Ü. S. Mus., c 18 p. 599 f. 9—11.^ 



Near to A. diadema (p. 107). 



Narraofansett ßay (Xewport [Rhode Island]). 



A. dsüeyi Giles 1890 Ä. d., G. M. Giles iu : J. Asiat. Soc. Bengal, c. 59 p. 66 t. 2 f. 3. 



Side-plate 5 having hind border of hind lobe notched. Antenna 2. last 3 joints 

 of peduncle very long and slender, antepenultimate longest, ultimate shortest. Peraeo- 

 pods 3 and 4 with 7th joint (finger or spine?) remarkably long and slender. L. 11 mm. 



Bay of Bengal (Seren Pagodas near Madras). Depth 13 m. 



A. japonica Bäte 1862 Ä.j.. (Stimpson in ILS.) Bäte. Cat. Amphip. Brit. Mus.^ 

 p. 94 t. 15 f. 5. 

 L. 9 mm. 

 North-Pacific (Japan). 



A. limicola (Stimps.) 1853 I^eudophthalmus l, F. limicolus, Stimpson in^ 

 Smithson. Contr., r.6 nr. 5 p.57, 65 : 1862 Ampelisca limicola. Bäte, Cat. Amphip. Brit. 

 Mus., p. 93 t. 15 f. 4. 



But 1 clear eye-spot on each side of head. Peraeopod 5, 7th Joint not lanceolate^ 

 but stiliform and curved. L. 15 mm. , 



North-Atlantic (Charleston). Low wat«r, in mud-holes. 



A. nordmannii (M.-E.) 1840 Acanthonotus n.. H. MUne Edwards, Hist. nat. 

 Crust., r.3 p. 24 j 1893 Ampelisca n., A. DeUaValle in: F. Fl. Neapel, r. 20 p.469. 

 Black Sea (Crimea). 



A. pelagica (Stimps.) 1853 Pseudophthalmus pelagicus, Stimpson in: Smithson. 

 Contr.. V. 6 ur. 5 p. 57 j 1862 Atnpelisca pelagica. Bäte, Cat. Amphip. Brit. Mus., p. 94. 

 L. 10 jpra. 

 Long Island Sound and Hake Bay [North- America]. Depth 55 — 91 m. 



A. pugetica Stimps. 1864 A. pugeticus, Stimpson in : P. Ac. Philad., p. 15<8. 

 Puget Sound [westem North- America]. Depth 18 m. 



2. Gen. Byblis Boeck 



1871 Byblis (Sp. un.: B. gaimardi), A. Boeck in: Forh. Selsk. Christian., 1870 

 p. 228 I 1891 B., G. 0. Sars, Crust. Norway, r. 1 p. 182. 



Head with postero-antennal comers distinct Side-plate 1 scarcely 

 deeper than 2, not concealing base of antenna 2; side-plate 4 evenly curred 



