(iAMllAKlli.K. 14,5 



than the second pair; prujiodos ovate, and slightly tViiigcd with 

 spines alonj^ the interior margin and palm. Pereiopoda rather short. 

 The fii-st three* segments of the pleon are elevated into a cre.st upon 

 tho median line, and prolonged posteriorly in the form of slinip 

 teeth. The posterior pair of pleopoda terminate in two long rami 

 that extend eonsiderably beyond tho preceding. Telson elongate, 

 lanceolate, and slightly trifid at the end. 

 *• Length li-ths of an inch. 



*• Hah. Isle of Bourbon." — M. Edwards. 



5. Phenisa podura. 



Gammanis podunis, Midler, ZooL Dan. iv. p. oJ>. pi. U!. f. 1-C. 

 Cancer (Gammarellus) podunis, Herbst, A'afun/. d^r Krabbc/i, ii. 



p. 119. pi. 2"). f. (5 (after Midler). 

 Amphitoe podura, Edic. A/ut. des Sc. Nat. xx. p. 37G ; Hisf. des Crust. 



iii. p. 38. 



'• Superior antenme nearly a.s long as the inferior. Cinathopoda 

 small ; propoda small, ovate. Posterior margins of the fourth and 

 fifth segments of the pleon furnished \vith a row of spines. 



•* Hab. The coasts of Scandinavia." — M. Edwards. 



G. Pherusa fucicola. (Platk XXVII. fig. 9.) B.M. 



I'herusa fucicola, Leacli, RUiib. Enetjc. vii. Art. Cnistaceoloyy, Ap- 

 pendix, p. 4^32 ; Trans. Lin/i. ISoc. xi. p. otJO. 



Desmarest, Consid. .sur /es C'ru.sf. p. 209. pi. 45. f. 10. 

 Amphitoe fucicola, Edwards, Ann. des <S'c. Nat. xx. p. 377; Hist, des 

 Crust, iii. p. 32. 



lliompson, Nat. Hist, of Ireland, iv. p. 396. 

 Amphitoe Jurinii, Edwards, Ann. des Se. Nat. xx. p. 37() ; Hist, des 

 Crust, iii. p. 30. pi. 1. f. 2. 

 Bell, App. Belcher's Last of the Arctic Voijugcs, p. 400. 

 Amphitoe microm*a, Costa, Rend, delta Reale Accad. delle Scienze di 



Napoli, 1853, p. 175. 

 Dexamine fucicola, Spence Bute, Synopsis, ^-c, Ann. Nat. Hist. Feb. 

 1857. 



White, Hist. Brd. Crivit. p. 179. 



C'ephalon produced into a very minute rostrum that is generally hid 

 between the antennce. Eyes small. Superior antenna) scarcely half 

 a.s long as the animal ; peduncle about one-fourth the length of tho 

 antennae. Inferior antennae scarcely as long as the superior; 

 peduncle reaching rather beyond the peduncle of the .superior. 

 Gnathojjoda subeipial, resembling each other in form ; second pair 

 rather the larger, having the propodos giadually increasing 

 towards the palm, which is slightly obli(|ue aiul a little convex, 

 llir inferior angle being somewhat rounded. Pereiopoda subequal, 



* Fig. 14, /. c. represents the first two segmejils oulv of the pleon as denticu- 

 lated. 



L 



