62 CATALOGUE OF BRITISH CRUSTACEA. 



1. CYAMUS CETI. Common Whale-louse. 



Cyamus erraticus, Rouss. An, Sc. Nat. 2nd ser. i. p. 259, t. 8, f. 22, 



23 ; M. Edw. Crust, iii. p. 113. 

 Oniscus ceti, Linn. Syst. Nat. ii. p. 1060 ; Pall. Spic. Zool. ix. t. 



4, f. 14 ; Mutter, Zool. Dan. iii. t. 119, f. 13, 17. 

 Squilla ceti, Degeer, Ins. vii. t. 42, f. 7, 8. 

 Cyamus ceti, Latr. Hist. Crust, vi. t. 52, f. 4. 

 Panope ceti, Leach, Ed. Enc. vii. p. 404. 

 Larunda ceti, Leach, Linn. Trans, xi. p. 364 ; Sam. Ent. U. Comp. 



p. 106. 



a /. British Seas. 



2. CYAMUS OVALIS. Oval Whale-louse. 



Cyamus ovalis, Rouss. Ann. Sc. Nat. 2nd ser. i. t. 8, f. 24 ; M. 

 Edw. Ann. Sc. Nat. 2nd ser. iii. t. 14, f. 13, 14 ; Guerin, Icon. 

 t. 28, f. 4. 



British Seas. 



3. CYAMUS GRACILIS. Slender Whale-louse. 



Cyamus gracilis, Rouss. Ann. Sc. Nat. 2nd. ser. i. t. 8, f. 24 ; M. 

 Edw. Crust, iii. p. 113. 



a. British Seas. 



*** Here by many authors are placed Nymphon, Pycnogonum, 



and their allies. 



