SCIENCE 



Nbw Sebies 



Vol. XXXIX. No. 994 



Friday, January 16, 1914 single copies, 15 cts. 



Annual 8t;e80biptioh, $8.00 



THE 

 FREAS ELECTRIC INCUBATOR 



{Approved by the National Board of Fire Underwriters) 



ACCURATE 

 RELIABLE 

 DURABLE 



The many advantages of the Freas 

 Electric Incubator strongly recom- 

 mend its use — where electricity is 

 available — in preference to any 

 other incubator. 



MADE IN SIX SIZES 



Write today for 



Descriptive Booklet to 

 The Sole Distributors 



EIMER & AMEND 



Headauarters for Chemical and Bacteriological Laboratory Supplies 



New York 



205-211 TUrd Avenue 



Pittsburgh, Pa. 



803S Jenkini-Arcade Bids. 





