Canon A. M. Nonnaii on British Amphipoda. 331 



b2. Dathyporeia Robertsoni, Bate. 



1862. Bathyporeia Robertsoni, Bate & Westwood, (1) vol. i. p. 307. 

 1891. Bathyporeia Robertsonii, G. O. Sars, (142) p. 131, pi. xlir. tig. 2. 



Eah. Isle of Curabrae {A. M. N.) ; Firtli of Forth {T. S.) : 

 Mus. Nor. East Loch Tarbert, Loch Fyne {T. S.). 



Distrib. Three adult males, Sorvajr, West Finmark {O. 0. 

 Sars) ; Western France {Chevreux). 



53. Bathyporeia gracilis^ G. 0. Sars. 



1891. Bathyporeia gracilis, G. 0. Sars, (142) p. 132, pi. xlv. fig-. 1. 



Hab. ' Porcupine,' 1869, Stat. 6, west of the Shannon, 

 L'eland, in 90 fathoms : Mus. Nor. 



Distrib. One male and one female, off West Norway, in 

 rather deep water [O. 0. Sa)'s) ; Le Croisic, Western France 

 (Chevreux). 



Genus 3. Haustorius, Statius Miiller. 



= Lepidacfylis, ^&y, = Pteriyocera, Latreille, = 5e//m, Bate, 

 = Sidcator, Bate. 



54. Haustorius arenarius (Slabber). 



1769. Oniscus arenarius, Slabber, Naturkundige Verlustigengen ifec. 



p. 92, pi. xi. figs. 3, 4. 

 1818. Lepidacfylis dytiscus, Say, Journ. Acad. Nat. Sci. Philadelphia, 



vol. i. p. 379*. 

 1862. Sulcator aretiarius, Bate & Westwood, (1) vol. i. p. 189. 

 1878. Pterygocera arenaria, Bovallius, " Notes on Pterygocera arejiaria,' 



K. Svens. Vet.-Akad. Handl. vol. iv. no. 8, pis. i., ii., iii. 

 1891. Haustorius arenarius, Sars, (142) p. 135, pi. xlvi. 



Bovallius, in the paper referred to, gives figures of the 

 variously constructed seta^ and sensory organs of this very 

 interesting and beautiful species. 



Nab. Kames Bay, Isle of Cumbrae ; near Sunderland 

 {A. M. N.) ; Barmouth and Llanfairfechan, North Wales 

 (Stebbing) : Alus. Nor. Paignton, Devon {Stehbing) ; Burnt- 

 island, Firth of Forth {T. S.). 



Distrib. Karmo, West Norway (Boeck) ; Kattegat {Bo- 

 vallius) ; Holland (Slabber)', Western France [Chevreux) ; 

 N.E. America [S. 1. Smith). 



* Prof. S. I. Smith has compared specimens from England which I 

 sent him with the Nortli-American species, and found them identical 

 (Trans. Connect. Acad. vol. iv. 1880, p, 282). 



