110 



ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



Arachnida. 

 JBy A. S. Hirst: — 



"Revision of the English Species of Red Spider (Genera 

 Tetranychus and Oligonychus)." Proc. Zool. Soc. 

 July, 1920, p. 49. 



" Notes on Acari parasitic on Birds, with descriptions of Two 

 new Species." Ann. Mag. Nat. Hist. (9), vi., p. 121. 



Crustacea and Pycnogonida. 



3j W. T. Calman, D.Sc, F.R.S.: — 



" A new crab of the genus Sesarma from Basra." Ann. 



Mag. Nat. Hist. (9), v., p. 62. . 

 " A whale barnacle of the genus Xenohalanus from Antarctic 



Seas." Op. cit. (9), vi., p. 165. 

 "On a collection of Pvcnogonida from the South Orkney 



Islands." 76., p. ^244. 

 *' A 'new species of the Isopod genus Serolis." lb., p. 299. 

 " Cumacea of the Canadian Arctic Expedition, 1913-1918." 



Rep. Canad. Arct. Exped., vii., pt. c. 



3j Oscar Sund : — 



" The ' Challenger ' Eryonidea." Ann. Mag. Nat. Hist. 

 (9), vi., p. 220. 



Platyhelminthes and Nemathelminthes. 



By H. A. Baylis, M.A. : — 



" Observations on the Genus Crassicaiida.''' Ann. Mag. Nat. 



Hist. (9) v., p. 410. 

 " OxyuT'is paronai v. Linst., and its Association with another 



Oxyurid in the same Host." Ann. Mag. Nat. Hist. 



(9), vi., p. 123. 

 " Notes on some Parasitic Worms from East Africa." Ih., 



p. 283. 

 " A new Siamese Nematode of the Genus Falcaustra.'' Ih., 



p. 408. 

 "On the Classification of the Ascaridae. — 1. The Systematic 



Value of certain Characters of the Alimentary Canal." 



Parasitology, xii., 3, p. 253. 

 By H. A. Baylis, M.A., and Lt.-Col. Clayton Lane, M.D.: — 

 "A Revision of the Nematode Family Gnathostomidse." 



Proc. Zool. Soc, 1920, p. 245. 



y . — A cquisitions . 



Mammalia. 



The accessions during the past year have been both numerous 

 rand important. Chief among them, perhaps, are the fine collec- 

 tions made for the Bombay Natural History Society's Mammal 

 Survey in Persia, Assam and North Burma by Colonel J. E. B. 

 Hotsoii, Mr. J. P. Mills and Messrs. F. Kingdon Ward and P. M. 

 Leonard ; and the important collections of Siamese and Malayan 



