ill 



CONTEN rS OF VOL. XX. 



[FOURTH SERIES.] 



52 



NUMBER CXV. 



Page 



I. On the Distribution of Birds in North Russia.— II. Longitudinal 

 Distribution of Species North of 64" 30' N. lat., or the Northern 

 Division. By J. A. Harvie Brown, F.Z.S., Member of the British 

 Ornithologists' Union 1 



II. Notes on Carboniferous Polyzoa. By R. Etheridge, jun., 

 F.G.S. (Plate II. a.) 30 



III. Arctic and Antarctic Sponges &c. By H. J. Carter, F.R.S. 



&c. (Plate I.) ' 38 



IV. Descriptionsof Asiatic Diurnal Lepidoptera. By Frederick 

 Moore, F.Z.S 43 



V. Report on the Crustacea collected by the Naturalists of the 

 Arctic Expedition in 1875-7G. By Edward J. Miers, F.L.S., 

 F.Z.S., Assistant in the Zoological Department, British Museum . . 



VI. Note on Lists of Arctic Hydroida and Polyzoa published in 

 the 'Annals' for February 1874 and January 1877. By the Rev. 

 Thomas Hincks, B.A., F.R.S ." ^6 



VII. On the Branched Form of the Apertural Prolongation from 

 the Summit of Carpenteria munticularis. By H. J. Carter, F.R.S. 



&c 08 



VIII. On the Salenidce, Wright.— Part I. Observations on the 

 Morphology of a Recent Salmia. By P. Martin Duncan, F.R.S., 

 Pres. Geol.' Soc. (Plate IL B.) 70 



IX. On a small Collecliou of Ortliopterous Insects of the Families 

 Phasmidce and Mantidce from Australia and New Britain, with De- 

 scriptions of four new Species. By I'rof. J . W ood-Mason, Deputy 

 Superintendent, Indian Museum, Calcutta 74 



X. On OvuUtes margaritula. By Professors W. K. Parker and 



T. R. Jones 77 



Zooloffy of the ' Challenger ' Expedition ; The Locomotor System 



otMedus^e 70,80 



NUMBER CXVI. 

 XL On the Structure of Peripalus novce-zeahmdiee. By Capt. ¥. 



W. IIUTTON 



81 



