PROTELLA PHASMA. 



AMPHIPODA. 



ABERRANT! A. 



45 



CAPRELLID&. 



PROTELLA PHASMA. 

 Montagu's Skeleton Shrimp. 



Specific character. Cephalon, without a rostrum, dorsally armed with a 

 strong spine, originating in the posterior margin and directed upwards and 

 forwards. First segment of the pereion dorsally and posteriorly armed with 

 a strong tooth ; second segment similarly armed with a pair near the middle, 

 and one near the posterior margin. 



Length rather more than half an inch. 

 Cancer pliasma. MONTAGU, Trans. Linn. Soc. vii. p. 66, pi. vi. 



Caprella pliasma. 

 Caprella phasma. 



jEgina longisplna. 

 Protella lonyispina. 



LAMARCK, Syst. des An. sans Vert. v. p. 174. 

 LATREILLE, Encyc. Met. p. 336, fig. 37. 



LEACH, Edin. Encyc. vii. p. 404. Enc. Brit. 



Suppl. 1, p. 426. SAMOUELLE, Ent. Comp. 



p. 105. DESMAREST, Consid. sur Crust. 



p. 278. MILNE EDWARDS, Hist, des Crust. 



iii. p. 108. WHITE, Cat. Crust. Brit. Mus. 



1847. Cat. Brit. Mus. 1850, p. 60. Pop. 



Hist. Brit. Crust, p. 216. FLEMING in Edin. 



Phil. Jourh. viii. p. 297. JOHNSTON in Lou- 

 don's Mag. Nat. Hist. viii. p. 669. RATHKE, 



Nov. Act. xx. p. 95. GOSSE, Mar. Zool. p. 223. 



R. Q. COUCH, Rep. Penzance, N. H. Soc. 



1852, p. 96. 



KROYER, Nat. Tidsk. 2 ser. i. p. 476, 1844-6. 

 SPENCE BATE, Ann. Nat. Hist. 2 ser. xix. 



p. 151. 



