VI 



Page 

 Day, Francis, F.L.S., F.Z.S. 



On Races and Hybrids among the Salmonidce 17 



Exhibition of, and remarks upon, a specimen of a Dog-fish 

 (^Acanthios vulgai-is) internally devoured by parasites .... 44 



On Races and Hybrids among the Salmonidee. — Part II. 376 



Oh the Occurrence of Lumpenvs lampetriformis off the 

 East Coast of Scotland. (Plate XLI.) 445 



On Races and Hybrids among the Sulmonida. — Part III. 

 (Plates LVI. & LVII.) 581 



Distant, W. L. 



On the Rhynchota collected by the late W. A. Forbes on 

 the Lower Niger 458 



DoBsoN, G. E., M.A.. M.B., F.R.S., F.L.S., F.Z.S. 



On the Myology and Visceral Anatomy of Capromys 

 melanunis, with a Description of the Species. (Plates 

 XVIII.-XXI.) 233 



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 402 



Exhibition of, and remarks upon, a diagram designed to 

 illustrate the Evolution of the Mammalia according to Prof. 

 Huxley 562 



Dresser, Henry E., F.Z.S. 



Exhibition of, and remarks upon, specimens of Sylvia 

 nisoria and Hypoluis icterina, killed in Norfolk 477 



Druce, Herbert, F.L.S., F.Z.S. 



On the Lepidoptera collected by the late "W. A. Forbes 

 on the Banks of the Lower Niger. — Heterocera. (Plate 

 XVII.) 219 



On a Collection of Heterocera from Dominica. (Plate 

 XXV.) 321 



