EYE OF NOTORYCTES TYPHLOPS. 547 



Contributions to our Knowledge of the Anatomy 

 of Notoryctes typhlops, Stirling. 



Part III.— The Eye. 



Oeorg:iiia Sweet, D.Sc., 



Melbourne University. 



With Plate 31. 



Introduction. 



The work, of which this paper records a part, has been 

 done in the Biological Laboratory of the University of Mel- 

 bourne, for the use of which I am indebted to Professor 

 Baldwin Spencer. To his kindness I owe all the material 

 used, together with much criticism and advice, and assistance 

 in obtaining literature, without reference to which this 

 research would have been incomplete. I wish also to thank 

 Mrs. H. R. Elvins, who had commenced this work on the 

 eye, but was prevented from proceeding- with it, for the use 

 of her series of sections and sketches. 



Part I of these Contributions, dealing with the Nose and 

 Jacobson's Organ, and Part II dealing with the Blood 

 Vascular System, were published in the ' Proceedings ' of 

 the Royal Society of Victoria in 1904. 



The Structure of the Eye and associated parts. 



The degenerate eye of Notoryctes has been previously 

 referred to by Dr. E. 0. Stirling, who has noted concerning 



