AMPHIPODA AND ISOPODA OF THE FIRTH OF CLYDE. 63 



Podocerus punctatus ? , Spence Bate, Ann. Nat. 

 Hist., 2nd Ser., xix. (1857), p. 148. 



Dercothoe (Cerapus ? ) punctatus, Spence Bate, Cat. 

 Amph. Crust. Brit. Mus. (1862), p. 260. 



Habitat. — Taken among sea -weed dredged on the 

 north side of the Cloch Lighthouse, in 6 fathoms. 

 Both Cerapus abditus and Dercothoe punctatus were 

 found together in a tube on Sertularia polyzonias. 

 The eyes of both were red. 



It has also been taken in Oxwick Bay and Ply- 

 mouth Sound by Bate and Westwood ; on the coast 

 of Northumberland by the Rev. A. M. Norman ; and 

 in the Atlantic Ocean by Mr. Templeton. 



cerapus difformis, Milne Edwards. 



Erichthonius difformis, Milne Edwards, Ann. d. Sci. 

 Nat., t. xx. (1830)', p. 382. 



Podocerus Leachii, Kroyer, Nat. Tidsskr. (1842), 1 R. 

 iv., p. 163. 



Cerapus Leachii, Spence Bate, Cat. Amph. Crust. 

 Brit. Mus. (1862), p. 268. 



Cerapus difformis, Costa, R. sui Crost. Amfip. del 

 Regno di Napoli, p. 228. 



Habitat. — Taken at Portloy, Cumbrae, at low-water, 

 by the dip-net, and off the Fairland Point in 17 

 fathoms, bottom gravelly mud. It has been taken 

 on the Northumberland coast by the Rev. A. M. 

 Norman, at Banff by Mr. Edward, and on the coast 

 of Brittany by M. Milne Edwards. 



Genus Siphoncecetus, Kroyer. 

 SIPHONCECETUS typicus, Kroyer. 



Siphoncecetus typicus, Kroyer, Nat. Tidsskr. (1845), 

 2R., IB., p. 481, pi. vii., fig. 4. 



Siphoncecetus typicus, Spence Bate, Cat. Amph. 

 Crust, Brit. Mus. (1862), p. 270. 



Habitat. — Dredged in shell debris, in 16 fathoms, 

 off west end of Cumbrae ; a few were obtained in 

 this haul. They were all in little free nests made 



