INDEX. 299 



Sick Silkworms 224. 



Silk-threads as fpun by the worm 229. Its length 230. 

 Standard trees, this the worft form for Silkworms 52. 

 Stands and hurdles for keeping Silkworms on, defcrib- 

 ed 97. 



Thermometer ufeful 1 29. The eighteenth degree of 

 of Reaumur's, which is the fixty feventh of Fahren- 

 hait's, (hews the warmth in which Silkworms thrive 

 beft. 



Water its proper heat for reeling the filk-pods 256. 



Young Silkworms how kept in Spain 13^. An eafy 

 method of taking them off their old fibres and litter. 



186 



N. B. Two little pullies, turning on two ftrong 



wires, may be ufefully placed to make the band of the 



guide-wheel lie parallel to the groves of its two wheels. 



Plate 11. Fig. IV. 



Note, AJfo that the pullies plac'd at the top of the 

 pole, Plate II. Fig. III. may be fixed to a feparate piece 

 of wood, fo as to Aide, and be drawn up or down by a 

 rod with a hook, for the eafe of getting at them. 



FINIS. 



ERRATA 



Page 49. lin. 13. read, on trees. Pag. 80 lin. nit. for 

 a perfon r^a^s? perfons. Pag. 123. lin. 10. for fhews 

 readfhtvf. Pag. 198. lin. 11. for fcraped read fcrape. 

 Pag. 269. lin. 10. read, not only owing. Pag. 102. 

 lin. penult for E. G. I. read F. G. I. Pag. 249. lin. 

 3. for M. N. read W. X. Pag. 268. lin. i^. die or 

 turn'd awry. 



