Contents (continued). 



p ag9 



June 3, 1884. 



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



(Plate XXXIII.) :)89 



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 Hapakmur griseus. By F. E. Beddard, M.A., F.Z.S., 



Prosector to the Society 39 1 



2. On some Hybrid Bonne 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 Carabidae and Scaraboeidse collected by the lale W. A. 



Forbes on the Lower Niger. By H. W. Bates, F.E.S 404 



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



of the University of Christiania 40G 



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 Rough-billed Pelican (Pc^ecanus trachyrhynchm) 410 



Mr. Sclater. Remarks upon a very singular 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 R. Bowdler Siiarpe, F.L.S., F.Z.S.. 4c. 



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



3. On a new Species of Salpornis from Eastern Equatorial Africa. By Dr. G. Hartlacb. 



F.M.Z.S. (Plate XXXVII.) 415 



4. Note on the Names of two Genera of Delphinidce. By William Henry Flower, LL.D.. 



F.R.S., P.Z.S , 417 



5. Description of anew Variety of Lacerta viridis, from South Portugal. By G. A. Boulenger, 



F.Z.S. (Plate XXXVIII.) 418 



6. Amphibiorurn Italia enumeratio systematica. Auctore doct. Laurentio Camerano .... 421 



7. Remarks 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 bim from the Tiinor-Laut 

 Group of Islands. By H. O. Forbes, F.Z.S., F.R.G.S 425 



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



C. Swinhoe, F.L.S, F.Z.S. (Plates XXXIX. & XL.) 4K4 



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



Francis Day. (Plate XLI.) 445 



10. On a Collection of Muridte from Central Peru. By Oldfield Thomas, F.Z.S., Natural- 



History Museum. (Plates XLII.-XLIV.) 4 47 



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



Distant 4. r >S 



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



By St. George Mjvabt, V.P.Z.S., Ph.D., M.D., F.R.S 462 



