94 CRUSTACEA. 



Pallas, Spic. Zool. ix. 64, t. 5, /. 1-6. Entomon pyraraidale, 



Klein,/. 1-3. Squilla e., Degeer, Ins. vii. 514, t. 32, /. 1-10. 



Var. Oniscus marinus, Penn. Brit. Zool. iv. t. 18, f. 3. 



Saduria entomon, Leach. MSS. 

 a d. Young. Northern Sea. 

 e. Adult. Northern Sea. 



IDOTEA caeca, Say, Journ. Acad. Sc. Phil. i. 424. 

 ae. United States. Presented by Thoraay Say, Esq. 



IDOTEA pelagica, Leach. Linn. Trans, xi. 365. Desm. Cons. 289. 



Edw. Crust, iii. 129. Oniscus balticus, Pall. Spic. Zool. ix. t. 



4,/. 6 ? Idot. marina., Fab. Ent. Syst. Suppl. 303 ? Rhastia 



pel., Leach, MSS. 

 a g. British Coast. From the collections of Dr. Leach and 



Colonel Montagu. 



IDOTEA tricuspidata, Desm. Cons. 289. Roux, Crust. Med. t. 13. 



/. 11, 12. Edw. Crust, iii. 129. Oniscus tridens, Scop. Ent. 



Cam. Id. entomon, Leach, Linn. Trans, xi. 364. Td. tri- 



dentata, Latr. Gen. Crust, et Ins. i. 64. 

 a z. British Coast. From the collections of Dr. Leach and 



Colonel Montagu. 



IDOTEA variegata, Roux, Crust. Med. t. 30, /. 1. Id. tricuspidata, 



var.? 



a/. Mediterranean (Genoa). 

 g. Sicily. 



IDOTEA emarginata, Fabr. Ent. Syst. Suppl. 303. Edwards, 

 Crust, iii. 130. Cuv. R. A. (Crock.) t. 69, f. 2. Cymothoa e., 

 Fabr. Ent. Syst. ii. 508. Squilla marina, Degeer, Ins. vii. 

 522,*. 32,/. 11, 14. Idot. excisa, Bosc, Crust, ii. 181. Latr. 

 Crust, vi. t. 58, /. 5. var. ? Idot. peloponesiaca, Roux, Crust. 

 Med. t. 30, f. 10. 



a. Mediterranean. 



b t. British Coast. From the collections of Dr. Leach and 

 Colonel Montagu. 



IDOTEA linearis, Latr. Hist. Crust, vi. 371. Edw. Crust, iii. 132. 



Onisc. entomon., Baster, Opusc. Subs. ii. t. 13, f. 2. Onisc. 



lin., Penn. Brit. Zool. iv. t. 18, f. 2. Squilla marina, Degeer, 



Ins. vii. t, 32, f. 11. Stenosoma lin., Leach, Linn. Trans, xi. 



366. Desm. Cons. 290, t. 46, f. 12. 

 a c. Europe. 

 d o. Devon (Ilfracombe). From the collections of Dr. Leach 



and Colonel Montagu. 



IDOTEA irrorata, Edw. Crust, iii. 132. Stenosoma irr., Say, 

 Journ. Acad. Sc. Phil. i. 423. 



