424 



APPENDIX. 



A SYNOPTICAL TABLE, 



PUBLISHED BT DIRECTION OF THE FRENCH MINISTER OF COMMERCE AND 



Showing THE MOST RAPID PROCESS FOR REARING SILK WORMS, 

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

 od of yentUatwn; by B. DE LA GRANGE, Student of C. BEAUTAII. Translated 

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

 BROTHERS, Conductor! of "The American Silk- Grower and Farmer's Manual" 

 Burlington, JV. J. 



HATCHING BT ARTIFICIAL HEAT. 1st day, from 70" to 72 Fahrenheit; 2d 

 4ay, 75 ; 3d day, 77 ; 4th day, 79 ; 5th day, 82 ; 6th 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. 



