386 



IDOTEID^. 



ISOPODA. 

 NORM ALIA, 



IDOTEIDjE. 



IDOTEA EMARGINATA. 



Specific character. Elongate -ovate, sub-convex, finely dotted. Front of 

 bead slightly emarginate. Anterior lateral angles rounded. Coxse of the six 

 hind pairs of legs strongly developed on the dorsal side of the body. Pleon 

 with the third segment confluent in the middle with the fourth, which has the 

 two posterior-lateral angles produced, the space between them emarginate. 

 Lower antennte nearly one-third of the length of the animal. 



Length, one inch and one-sixth. 

 Ci/mothoa emarginata. Fabricius, Ent. Syst. ii. p. 508. 



Idotea emarginata. 



(?) Squilla marina. 

 Idotea excisa. 



Idotea i^eloponesiaca. 

 Idotea cestrum. 



Fabricius, Ent. Syst. Suppl. p. 303. Milne 

 Edwards, Crust, iii. p, 130. Cuvier, Regne 

 Anim. (Ed. Crochard), t. 69, f. 2. White, 

 B. M. Cat. Brit. Crust, p. 65. Pop. Hist. 

 Brit. Crust, p. 224. Risso, Crust, de Nice, 

 p. 135. 



De Geek, Ins. vii. p. 522, t. 32, f. 11, 14. 



Bosc. Crust, ii. p. 181. Latreille, Hist. Nat. 

 Crust, et Ins. vi. t. 58, fig. 5. Var. (?) 



Rom. Crust. Med. t. 30, f. 10. 



Pennant, Brit. Zool. 4, pi. 18, f. 6. Leach, 

 Trans. Linn. Soc. xi. p. 565. Desmarest, 

 Crust, p. 289. 



