OAMMAUin.l?. 93- 



3. Ampelisca Belliana. (Vlatk XV. fig. 3.) fc.M. 



Totromfttus Bollianus, SjyouT JMo, Brit. Assoc. RepoH, 1855 j Synopsis 

 Brit. Amph., Ami. Nut. IliM. Fi'b. 1857. 

 mtite, Hist. Brit. Crust, p. 171. 



Anterior portion of the pcrcion laterally compressed and dorsally 

 cuneated. Posterior margin of the third segment of the pleon 

 ornate, being excavated near the upper surface, lobcd near the 

 middle, excavated below, and the inferior angle produced into a 

 tooth, which is slightly turned iipwards at the extremity. Superior 

 antenna; not longer than the cephalon, having the flagcllum nearly 

 as long as the peduncle. Inferior antenna) about one-third the 

 length of the body, having the peduncle longer than the superior 

 antenna) ; flagellum scarcely as long as the peduncle. Maxillipeds 

 having a dactylos shorter than the propodos; propodos nearly 

 as long as the carpus ; meros furnished with a squamiform plate 

 armed with eight broad, strong, lanceolate, and three apical 

 hair-like spines upon the median border. Propodos of first pair 

 of gnathopoda without a palm ; second like the first, but longer. 

 Posterior pair of pereiopoda having the lanceolate dactylos sharper 

 than in A. GaimardU, The three posterior pairs of i)leopoda 

 resemble those of A. Gaimardii, except that the ante- and penulti- 

 mate pairs have the margins of their respective rami less regularly 

 and numerously fringed with spines. 



Length ^-^ths of an inch. 



Hah. N. Atlantic (Barrett) ; Moray Frith (Rev. 0. Gordon) ; Banff 

 (Mr. Edward); Plymouth Sound (C. S. B.). 



4. Ampelisca limicola. (Plate XV. fig. 4.) B.M. 



Pseudophthalmus limicola, Stim2)son, Mar. Inv, Grand Manan, p. 57. 



Female. — Anterior portion of pereion laterally compressed and dor- 

 sally cuneated. Superior antenna) scarcely reaching to the extremity 

 of the peduncle of the inferior. Inferior antennae about one-third 

 the length of the animal. Fii-st pair of gnathopoda having the 

 caq)us and propodos subequal, cylindrical, without a palm ; dactylos 

 ciliated upon the inner side. Second pair of gnathopoda little 

 longer than the first, ha^•ing the carjjus as long again as the pro- 

 podos, fringed with fasciculi of hairs both upon the superior and 

 inferior margins ; dactylos ciliated upon the inner margin. Pereio- 

 poda like those of A. Gaimardii, except that the dactylos of the 

 posterior pair is not lanceolate, but styliform and curved. Posterior 

 pair of pleopoda short, and fringed posteriorly with long plumose 

 hairs. 



Length ^^ths of an inch. 



