48 ISOPODA. 



Salcombe (Stebbing, co-types in Mm. Nor.} ; inside Drake 

 Island, Plymouth, 1889 (A. M. N.). 



[Afitacilla intermedia (Groodsir) is recorded by Mr. Todd, 

 vi. p. 178, from between Snake Point and the Saltstone, 

 Salcombe ; but as A. Deshayesii, a near ally, occurs at Sal- 

 combe, it was not unlikely that the latter was the species 

 found.] 



ARCTURELLA DAMNONIENSIS (Stebbiug). (PI. V. figs. 1-5.) 



1874. Arcturus damnoniensis, Stebbing, " A new Species of 

 Arcturus," Ann. & Mag. Nat. Hist. ser. 4, vol. xiii. p. 291, pi. xv. 

 1904. Arcturella damnoniensis, Norman, 1. c. p. 447. 



Torbay (Stebbing, co-ti/pes in Mus. Nor.}; Ilfracombe, Star- 

 cross, and Plymouth (A. M. N.) ; Kingsbridge Estuary 

 (Todd, vi. p. 178). 



Tribe IV. ASELLOTA, G. 0. Sars. 



Fam. 1. A s EL LID ^2. 



ASELLUS AQUATICUS (Linne). 



Common in ponds, rivers, and canals. 



Fam. 2. J A N I R I D IE. 



JANIRA MACULOSA, Leach. 



Devon (Montagu) ; Ilfracombe (A. M. N.*) Polperro 

 (Couch). 



J^RA MARINA (Fabricius), 



1807. Jcera albifrons (Montagu), Bate & Westwood, vol. ii. p. 317. 

 1897. Jcera marina, G. 0. Sars, 1. c. p. 104, pi. xliii. 



Common under stones between tide-marks. Sars gives as 

 synonyms J. Kroyeri, Zaddach ; J. baltica, Fr. Mu'ller ; 

 ./. copiosa, Stirnpson ; and J. nivalis, Kroyer. 



NORDMANNI (Rathke). 

 1867. Jcera Nordmanni, Bate & Westwood, vol. ii. p. 320. 



Recorded by Bate from Plymouth. Professor Sars writes : 

 " It seems to me somewhat doubtful whether the form figured 

 by Spence Bate and Westwood under this name is the true 



