878 MRS. E. w. SEXTON OX AMPuiroDA [Nov. 23, 



30. Sars, Michael. — " Oversigt over de i deu novsk-arctiske 



region forekommende Krebsdyr." Yidensk.-Selsk. For- 

 hand., Ohristiania, 1859. 



31. Scott, Thomas. — " Report on a Collection of Marine Dredg- 



ings and other Natural History Materials made on the West 

 Coast of Scotland by the late George Brook, F.L.S." Proc. 

 Roy. Phys. Soc. Edinburgh, 1896. 



32. Smfth, Geoffrey. — " High and Low Dimorphism, with an 



account of certain Tanaidse of the Bay of Naples." Mitth. 

 Zool. Station Neapel, 17 Bd. Berlin, 1906. 



33. Smith, Geoffrey. — Rhizocephala. Fauna und Flora des 



Golfes von Neapel, Monogr. 29. Berlin, 1906. 



34. Spence Bate, Charles. — " On some new Genera and Species 



of Crustacea Amphipoda." Ann. Mag. Nat. Hist. ser. 3, 

 vol. i., 1858. 



35. Spence Bate, Charles. — Catalogue of the Specimens of 



Amphipodous Crustacea in the Collection of the British 

 Museum. London, 1862. 



36. Spence Bate and Westwood. — A History of the British 



Sessile-eyed Crustacea. London, 1863. 



37. Stebbing, T. R. R. — Report on the Amphipoda collected 



by H.M.S. ' Challlenger ' during the Years 1873-76. 

 'Challenger' Reports, vol. xxix., 1888. 



38. Stebbing, T. R. R. — '• The Amphipoda collected during the 



Yoyage of the ' Willem Barents ' in the Arctic Seas in 

 the Years 1880-84," Bijd. tot de Dierkunde, vol. xvii. 

 Amsterdam, 1894. 



39. Stebbing, T. R. R. — " Revision of Amphipoda." Ann. Mag. 



Nat. Hist. ser. 7, vol. iv., 1899. 



40. Stebbing, T. R. R. — Amphipoda, I. Gammaridea. Das 



Tierreich, Lief. 21, Berlin, 1906. 



41. Walker, A. 0., and Hornell, J. — " Report on the Schizo- 



poda, Cumacea, Isopoda, and Amphipoda of the Channel 

 Isles." Journ. Marine Zool. and Microscopy, vol. ii. no. 7. 

 Sept. 1896. 



42. Walker, A. O. — " On some new species of Edriophthalma 



from the Irish Seas." Journ. Linn. Soc, Zool. vol. xxvi. 

 no. 167. 1897. 



EXPLANATION OP THE PLATES. 



Plate LXXX. 



1. Head and auteniiEe, $. Parapleustes cfracilis Unchholz. X 44., 



2. Accessory flagellum, superior antenna, $ . P. gracilis. X 28. 



3. Ri^ht mandible, 9 • ■?• gracilis. X 44. 



4. Left mandible, ? . „ X 44. 



5. First maxilla, $ . „ X 44. 



6. Second maxilla, $ . „ X 44. 



7. Maxilliped, ? . „ X 44. 



8. Whole animal, $. Si/mpleustes grandimanusChevrenx; actual size 7'5 mm. 



9. First gnathopod, young c?, Irish specimen. S. ffrandimajjus. X 28. 

 10. First g-nathopod, young 9 , ' Huxley ' specimen. „ X M. 



