378 
GAMMARIDiE. 
GAMMARUS LOCUSTA. 
Specific character. Eyes reniform. Superior antennae longer than the 
inferior. Posterior pair of pleopoda having the rami subequal. A red spot 
on the second, third, and fourth segments of the body, on the coxae of the 
last three pairs of pereiopoda, and on the three anterior segments of the pleon, 
each of which has the postero- inferior angle produced to a point. 
Length § of an inch. 
Cancer macrurus thorace articulato cceruleus. Linnaeus, Gothl. Reza, p. 260. 
Cancer locusta. Linnaeus, Faun. Suec. 2nd ed. p. 497. Sys. 
Nat. p. 1055. 
Cancer ( Gammarus ) locusta. Montagu, Trans. Linn. Soc. ix. p. 92, t. iv. 
fig. 1 ; xi. p. 359. 
Gammarus locusta. Fabricius, Ent. Syst. ii. p. 517. Leach, 
Edin. Encyc. Art. Crust, vii. p. 403. Trans. 
Linn. Soc. xi. p. 359. Suppl. Enc. Brit, 
i. 425. Samouelle, Ent. Comp. p. 104. 
Desmarest, Consid. sur Crust, p. 267. 
Milne Edwards, Ann. des Sci. Nat. t. xx. 
p. 369. Hist, des Crust, t. iii. p. 44. 
Kroyer, Gron. Amfip. p. 27. Rathre, 
Fauna, der Krym. p. 372, pi. v. fig. 11-14. 
* White, Hist. Brit. Crust, p. 182. Cat. 
Brit. Crust, in Brit. Mus. p. 51. Cat. Crust, 
in Brit. Mus. p. 87. Guerin, Icon. R. An. 
Crust, pi. xxvi. fig. 6. Gosse, Mar. Zool. 
i. pp. 141, 257. Spence Bate, Ann. Nat. 
