Artificial Mothers' Milk. 



1 2i> 



netting, however, continues producing a gas known as 

 fumes of formic aldehyd. As soon as the fumes 

 are strongly noticeable to our smelling organ, then 

 the desired effect has been attained. The lamp is an 

 invention of Professor Tollens, of Gosttingen, and 

 ma}' be procured through Messrs. Eimer & Amend, 

 "20.") Third avenue, New York citv. 



