'84 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



Habitat. — Taken among sea- weed at low -water, 

 Cumbrae. It has been taken at various localities 

 on the English, Scottish, and Irish coasts. 



IDOTEA EMARGINATA, Fabricius. 



Cymothoa emarginata, Fabricius, Ent. Sys., ii., p. 508. 



Idotea emarginata, Fabricius, Ent. Sys., Suppl., p. 303. 



$ Squilla marina, De Geer, Ins., vii., p. 522, t. 32, f. 

 11, 14. 



Idotea exdsa, Bosc, Hist. Crust., ii., p. 181. 



Idotea peloponesiaca, Roux, Crust. Med., t. 30, f. 10. 



Idotea oestrum, Pennant, Brit. Zool., iv., pi. 18, f. 6. 



Habitat. — Taken at low -water among sea -weeds, 

 Cumbrae. Also off the coasts of Durham and North- 

 umberland by the Rev. A. M. Norman ; and at Port 

 Patrick, Ireland, by the late Mr. W. Thompson. 



idotea linearis, Pennant. 



Oniscus linearis, Pennant, Brit. Zool. (Edit. 1777), 

 iv., t. 18, f. 2. 



Stenosoma linear e, Leach, Linn. Trans., xi., p. 366. 



Idotea linearis, Latreille, Hist. Nat. Crust, et Ins., 

 vi., p. 371. 



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



? Squilla marina, De Geer, Ins., vii., t. 32, f. 11. 



Idotea diodon, Latreille, Nouv. Diet. d'Hist. Nat., 

 xvi., p. 105. 



Idotea viridissima y Risso, Crust, de Nice, p. 136, pi. 

 3, fig. 8. 



Idotea hectica, Leach, Edin. Enc, vi., p. 404. 



Stenosoma hecticum, Leach, Linn. Trans., vii., p. 433. 



Oniscus ungidatus, Pallas, Spic. Zool., ix., 62, tab. 4, 

 f. 11 (antennis falsis?). 



Habitat. — Taken in a sandy pool at low-water, 

 Cumbrae. Guernsey, Falmouth, and the coast of 

 Durham, Rev. A. M. Norman ; and Bigbury, near 

 Plymouth, Bate and Westwood. 



idotea parallela, Spence Bate and Westwood. 



Idotea chelipes, Costa, Faun. d. Regno d. Napoli. 

 Crust., pi. 11, f. 2. 



