36 



The External Characters of Pouch embryos of 



Marsupials. 



NO. 2.- NOTORYCTES TYRHLORS. 



By F. Wood Jones, D.Sc., F.Z.S., 

 Professor of Anatomy in the University of Adelaide. 



[Read June 9, 1921.] 



For the specimen described here I am greatly indebted 

 to the authorities of the Perth Museum. Unfortunately no 

 details of its provenance are obtainable. In the Perth 



":t. * ?: 



<-:'. • - :'-, 





Fig. 1. 



Notoryctes typhlops. 

 Right lateral view of embryo of 10 mm. 



Museum, Mr. Glauert informs me, there are three examples 

 of Notoryctes. All are females. Two belong to the recently 

 described Western Australian form N. caurinus (Thos.), whilst 



