HIGHER CRUSTACEA OF THE FIRTH OF CLTDE. 341 



except the terminal joints of the chelij^edes which 

 are flesh-coloured. The eyes have a peculiar yel- 

 lowish tinge. One of our Loch Fyne specimens, 

 and both of those taken off Wemyss Bay, had the 

 carapace and limbs bristling with an interesting 

 polyzoon — Triticella Korenii, Sars — which is only 

 recorded in Hinck's British Polyzoa, from doubtful 

 specimens taken on Sacculina, off Oban, by Rev. Dr. 

 Norman. 



Subtribe ASTACIDEA. 



Family PALINURIDAE. 



Genus Palinurus, Fabr. 



PALINURUS VULGARIS. 



Cancer (Astacus) hoinarus, Penn., Brit. Zool. iv., p. 16, pi. xi., 

 fig. 22. 

 Palinurus quadricornis, Fabr., Suppl. Ent. Syst. p. 101. 

 ,, homams. Leach, Edin. Ency. vii., p. 397. 



„ vulgaris, Latr. Ann. da Mus. iii., p. 391.— Bell, Brit. 



Crust, p. 213. 



Off Campbeltown (Martin). Mr. Brook obtained a 

 single specimen in Loch Fyne. It is occasionally 

 seen in fishmongers' shops in Glasgow. 



Famihj ASTACIDAE. 

 Gemis H OMAR us, Milne Edwards. 



HOMARUS GAMMARUS. 



Cancer ganimarus, Linn., Fauna Suec. 203^3. 



Astacus marinus, Fabr., Suppl. Ent. Syst. p. 406.— Penn, 

 Brit. Zool. iv., pi. x., fig. 21. 



Honiarus vulgaris, M. Edw., Hist. Nat. des Crust, ii., p. 3S1. — 

 Bell, Brit. Crust, p. 212. 



Still common on the rocky shores near the mouth 

 of the Firth, though the demand for this species as 

 an article of food has sadly thinned its numbers 

 within recent years. 



Genus Nephrops, Leach. 



NEPHROPS NORVEGICUS. 



Cancer norvegicus, Linn., Syst. Nat. i., 1058. 

 Astacus ,, Fabr., Ent. Syst. p. 118. — Penn., Brit. 



Zool. iv., p. 23, pi. xiii., fig. 1. 



