388 



ISOPODA. 



NORMALIA. 



IDOTEID^E. 



IDOTEIDJB. 



IDOTEA LINEARIS. 



Specific character. Long, narrow, with the sides of the segments nearly 

 parallel ; lower antennae nearly as long as the animal ; joints of the peduncle 

 very robust ; pleon with the terminal joint truncated, and tridentate at the 

 extremity, the lateral angles being more prominent than the central tooth. 



Length, one inch and a half. 



Oniscus linearis. PENNANT, Brit. Zool. (edit. 1777), iv. t. 18, f. 2. 



Stenosoma lineare. LEACH, Linn. Trans, xi. p. 366. Suppl. Enc. Brit, 



i, 427. DESMAREST, Cons. Crust, p. 290, t. 46, 



f. 12. GUERIN MENEVILLE, Exped. Moree, p. 49. 



SAMOUELLE, Ent. Comp. p. 107. 

 Idotea linearis. LATREILLE, Hist. Nat. Crust, et Ins. vi. p. 371. 



MILNE EDWARDS, Crust, iii. p. 132. Regne An. 



(Ed. Crochard), Crust, pi. 69, f. 3. WHITE, B. M. 



Cat. Brit. Crust, p. 66. Pop. Hist. Brit. Crust. 



p. 224. 



Oniscus entomon. BAXTER, Opusc. Subs. ii. t. 13, f. 2. 



(?) Squilla marina. DE GEER, Ins. vii. t. 32, f. 11. 



