424 



APPENDIX. 



A SYNOPTICAL TABLE, 



PUBLISHED BY DIRECTION OF THE FRENCH MINISTER OF COMMERCE HITS 

 AGRICULTURE, 



Showing THE MOST RAPID PROCESS FOR REARING SILK WORMS, 



according to the Plan of M. CAMILLE BEAU v AIS, connected with D'ARCET'S Meth- 

 od of Ventilation; by B. DE LA GRANGE, Student of C. BEAurAis. Translated 

 from the French, in 1839, and first published in America by W. CHEWEY AND 

 BROTHERS, Conductors of "The American Silk-Qrcwer and Farmer's Manual," 

 Burlington, JV. J. 



HATCHING By ARTIFICIAL HEAT. 1st day, from 7fl to 72 Fahrenheit ; 3d 

 day, 75 ; 3d day, 77 ; 4th day, 79 ; 5th day, 82 j Glh day, 84" ; 7th day, 86. 

 Hatched this day. The moisture of the atmosphere, as indicated by the hygrome- 

 ter of Saussure, was from 70 to 85. 



ing from 300 to 500; they are deposited on clean white cloth or paper. After 

 leaving them 15 or 20 days in the place where they were laid, they are put into a 

 cellar of the temperature of 45 or 50 of Fali/euheit, until the following year, care 

 being taken to look at them occasionally. 



