CATALOGUE OF BRITISH CRUSTACEA. 
63 
Order V. ISOPODA. 
Isopoda, Latr. Farm. Nat. p. 290. 
Tetradecapoda, pt. Haan , Faun. Jap. Exp. p. 16 (1833). 
Oniscus, pt. Fabr. Syst. Ent. p. 296 (1775). 
Insecta tetracera, Latr. Gen. Crust, et Ins. i. p. 63. 
Gasteruri, pt. Leach , Ed. Enc. vii. p. 432. 
Sub-order I. ISOPODA AMBULANT! A. 
Isopodes marcheurs, M. Edw. Crust, iii. p. 120 (1840). 
Tribe 1. I DOTE IT A. 
Idoteides, Latr. Fam. Nat. p. 296 ; M. Edw. Crust, iii. p. 121 
(1840). 
Asellota, pt. Latr. Gen. Crust, et Ins. i. p. 63 (1806). 
Fam. I. ARCTURIDA;. 
Idoteides avpenteuses, M. Edw. Crust, iii. p. 122. 
Idoteadae, pt. Westw. Ent. Text-Book. 
1. ARCTURUS. 
Arcturus, Latr. R. A. iv. p. 139. 
Leachia, Johnston, Edin. Phil. Joum. xiii. 220. 
Astacilla, Fleming, Enc. Brit. vii. p. 502. 
Oniscus, sp. Sowerby, Brit. Misc. 
Idotea, sp. Sabine, Parry’s Voy. Append. 
1. Arcturus longicornis. Sowerby’s Arcturus. 
Arcturus longicornis, Westw. Trans. Ent. Soc. i. 72, t. 16; Guerin, 
Icon. t. 31, f. 2; M. Edw. Crust, iii. p. 124. 
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