Contents (confinued). 



Page 

 June 3, 1884. 



The Secretary. Report on the Additions to the Society's Menagerie in May 1884. 



(Plato XXXIII.) ". a89 



Mr. Albert A. C. le Souef, C.M.Z.S. Letter from, containing remarks upon the Hatching of 



two Cygnets from one egg of a Black-necked Swan .390 



1. On some Points in the Structure of Hapalemwr grisetis. By F. E. Beddard, M.A., F.Z.S., 



Prosector to the Society 391 



2. On some Hybrid Bovine Animals bred in the Society's Gardens. By A. D. Bartlett, 



Superintendent. (Plates XXXIV. & XXXV.) 399 



3. On the Unimportance of the Presence or Absence of the Hallux as a Generic Character in 



Mammalogy, as shown by the gradual Disappearance of this Digit within the limits 



of a single Genus. By G. E. Dobson, M. A., F.E.S 402 



4. List of Coleoptera of the Families Carabidse and Scarabjeidte collected by the late W. A. 



Forbes on the Lower Niger. By H. W. Bates, F.E.S 4(>4 



5. Notes upon some Mammals recently discovered in Queensland. By Carl Lumholtz, M.A. 



of the UniTersity of Christiania 400 



June 17, 1884. 



Mr. Henry Seebohm. Exhibition of, and remarks upon, some Skins of rare European and 



Asiatic Birds 409 



Mr. Sclater. Exhibition of, and remarks upon, the deciduous knob of the Culmen of the 



Beak of the Eough-billed Pelican (Peiecanus trachyrhynckiis) 410 



Mr. Sclater. Eemarks upon a very singidar Habit of one of the Greater Vasa Parrots {Cora- 



copsis vasa) 410 



1. On the Employment of the Remora by Native Fishermen on the East Coast of Africa. 



By Frederic Holmwood, H.B.M. Consul Zanzibar 411 



2. Further Notes on Whitehead's Nuthatch. By E. Bowdler Sharpe, F.L.S., F.Z.S., &c. 



Department of Zoology, British Museum. (Plate XXXVI.) 414 



3. On a new Species of Salpomis from Eastern Equatorial Africa. By Dr. G. Harti.ai'b. 



F.M.Z.S. (Plate XXXVH.) 41.^. 



4. Note on the Names of two Genera of Delphinidw. By William Henrv Flower, LL.D., 



F.E.S., P.Z.S 417 



5. Description of a new Variety of Lacerta viridis, from South Portugal. By G. A. Boule.vger, 



P.Z.S. (Plate XXXVIII.) 41S 



6. Amphibiorum Italiae enumeratio systematica. Auctore doct. Laurentio Camerano .... 421 



7. Eemarks on a Paper by Dr. A. B. Meyer on a Collection of Birds from the East-Indian 



Archipelago, with special reference to those described by him from the Tiinor-Laut 

 Group of Islands. By H. O. Forbes, F.Z.S., F.E.G.S 42.'i 



8. On some new and little-known Species of Butterflies of the Genus Teracolus. By Lt.-Col. 



C. SwiNHOE, F.L.S., F.Z.S. (Plates XXXIX. & XL.) 434 



9. On the Occurrence of Lumpenus lampitriformis off the East Coast of Scotland. By 



Francis Day. (Plate XLI.) 44.5 



10. On a Collection oi Muridce from Central Peru. By Oldpield Thomas, F.Z.S., Natural- 



History Museum. (Plates XLII.-XLIV.) 447 



1 1 . On the Ehynchota collected by the late Mr. W. A. Forbes on the Lower Niger. By W. L. 



Distant .-. 4.58 



12. On the Development of the Individual and of the Species as Forms of Instinctive Action. 



By St. George Miv.tRT, V.P.Z.S., Ph.D., M.D., F.E.S 4<>i' 



