CRUSTACEA. 
93 
1060. Pall. Spic. Zool. ix. t. 4, f. 14. Muller , ZooL Dan. 
iii. t. 119, /. 13, 17. Squilla c., Degeer, Ins. vii. t. 42,/. 7, 8. 
Cyamus c., Hist. Crust, vi. t. 52, f. 4. Panope c., 
Leach , Edin. Enc. vii. 404. Larunda c., Leach , Linn. Trans. 
xi. 364. 
«. British Seas. 
Cyamus ovalis, Rouss , Abm. aSc. iVb£. 2 ser. i. 8, /. 1. Xcho. 
£c. iVctf. 2 sor. iii. 14,/. 13-14. Guerin , icon. 28, 
/• 4. 
a—e. British Seas. 
Cyamus gracilis, Rouss , Ami. $c. iVa£. 2 ser . i. £. 8,/. 24. Edw. 
Crust, iii. 113. 
a. British Sea. 
Cyamus ——— 
a. - 
Cyamus abbreviatus, Sag, Journ. Acad. Sc. Phil. i. 393. 
a , h. N. America. Presented by Thomas Say, Esq. 
Order ISOPODA. 
Family Idoteidje. 
Arcturus, Westw. 
Arcturus longicornis, Westwood , Trans. Ent. Soc. i. 72, 19. 
Guerin , /com. Z. 31,/. 2. XVho. Crust, iii. 124. Oniscus 1., 
Sowerbg, Brit. Misc. t. 19. Leacliia lacertosa, Jolinst. Edin. 
Phil. Journ. xiii. 220. Astacilla longic., Fleming , Edin. 
Enc. vii. 502. Johnst. Loud. Mag. Nat. Hist. viii. 494, /. 
44, adult , ix. 80,/. 15, young. 
a — e. Cullercoats, Northumberland. Presented by Dr. Clarke. 
/. Spitzbergen. Presented by the Boyal College of Surgeons. 
g. Firth of Forth. Presented by H. Goodsir, Esq., Surgeon B. N. 
Arcturus intermedius. Leachia interm., Goodsir , Edin. New 
Phil. Journ. xxxi. 309, t. 6,/. 1. * 
a. Firth of Forth. Presented by H. Goodsir, Esq., Surgeon R. N. 
Arcturus gracilis. Leachia gracilis, Goodsir , Edin. New Phil. 
Journ. xxxi. 310, t. 6.f. 4. 
a. Firth of Forth. Presented by H. Goodsir, Esq., Surg. R. N. 
I dote a, Fabr. 
Idotea Entomon, Latr. Hist. Crust, vi, 36, t. 58,/. 2, 3. Leach. 
Linn. Trans, xi. 364. Desm. Cons. 289. Eichw. Obs. t. 5,/. 
1 . Edw. Crust, iii. 128. Oniscus ent., L . Syst. Nat. ii. 1060. 
