226 ANNALS OF SCOTTISH NATURAL HISTORY 



3. In Smiles' " Life of Thomas Edward," published in 1877, five 

 species of Crangon are included in the list of Moray Firth Crustacea, 

 viz. — C. vulgaris, C. spinosus, C. sculptus, C. trispinosus, and C. 

 Allmanni. 



4. "The Invertebrate Fauna of the Firth of Forth," by Leslie 

 and Herdman, published in 1881, contains records of Crangon vul- 

 garis, C. Allmanni, and C. nanus. 



5. "The Decapod and Schizopod Crustacea of the Firth of 

 Clyde," by Dr. J. R. Henderson, published in 1886, contains 

 records of Crangon vulgaris, C. spinosus, C. sculptus, C. nanus, 

 C. Allmanni, C. echinulatus. 



6. In the " Fourth Annual Report of the Fishery Board for Scot- 

 land," Appendix F, No. viii. 1886, is a paper by the Rev. A. M. 

 Norman, containing interesting observations on Crangon neglectus 

 and C. fasciatus. 



Several other papers, including some by myself, published 

 in the Annual Reports of the Fishery Board for Scotland, 

 will be referred to, where necessary. 



Dr. Henderson, in his work on the Clyde Crustacea, 

 includes the genus Nika in the family Crangonidae, but Bell, 

 Spence Bate (" Challenger " Macrura), and the Rev. T. R. R. 

 Stebbing, exclude it. Professor Bell places Nika in the 

 family Alpheidae, but the other two authors named make it 

 the type of the family Nikidae. 



The nine species of Crangon recorded from Scottish 

 waters are by some writers grouped under four genera, viz. : 

 CRANGON, Fabricius, represented by Crangon vulgaris and 

 Crangon Allmanni. PONTOPHILUS, Leach, represented by 

 Crangon spinosus. CHERAPHILUS, Kinahan, represented by 

 Crangon trispinosus, Crangon echinulatus, Crangon neglectus, 

 and Crangon nanus. And EGEON, Risso, to which is assigned 

 Crangon fasciatus and Cra?igon sculptus. I propose, however, 

 to treat of them all under the old and more familiar name of 

 Crangon ; the Sabinea, for which there appears to be but the 

 one record, being kept separate. 



Remarks on the Species. 



Crangon vulgaris (Linn.). — This is one of the largest as well as 

 the commonest of the Scottish species of Crangon. It is a littoral 

 species, and is found all around our shores where the beach is sandy. 



