XX 
CONTENTS. 
Chapter IV. 
Page 
Of the Preliminary Care necessary for the Hatching 
of the Silk- Worms ...... 34 
1. Preliminary Preparation of the Eggs of the Silk- 
Worms 37 
2. Necessity of having Thermometers to fix the Tempe- 
rature requisite for Hatching and Rearing Silk- Worms 41 
3. Of the Stove-room in which the Eggs must be put to 
Hatch 44 
4. Hatching of the Silk-Worm 49 
Chapter V. 
Of the small Laboratory into which the New-hatched 
Silk-fTorms must be put; of their Removal, and 
Proportion between the IP eight of the Egg and the 
New-hatched Worm 56 
1. Of the Small Laboratory destined to receive the New 
Hatched Worm ....... 57 
2. Of the Removal of the New Hatched Silk-Worms 
into the Small Laboratory, or elsewhere . . .60 
3. Of the Weight the Eggs lose before the Worms are 
Hatched 72 
Chapter VI. 
Of Rearing Silk-Worms in the Four First Ages . 75 
1. Of Rearing Silk-Worms in the First Age . . 67 
2. Rearing Silk-Worms in the Second Age . . 94 
3. Rearing Silk- Worms in the Third Age . . . 105 
4. Rearing Silk-Worms in the Fourth Age . .114 
