186 



ZOOLOGY 



female of Notofrema 

 marsupiatum of the 



Andes, has a sac on its 

 back in which the 

 young are carried. 

 The Notodelphys of 

 South America has 

 similar habits; for ex- 

 ample, the female 

 (Nbtodelphys ovifera) 

 lias a dorsal sac a cen- 

 timetre deep in which 

 the eggs are carried. 

 In the young of this 

 and of Gastrotlteca, 



'Zrffaiif'™- n-H { 



