7H 



INDEX. 



Botanical microfcope of Dr. Withering, 115; common ditto, 



116; magnifiers, 117. 

 Beetle defcribed, 214. 



Bees, their manner of living, 257 ; different forts of, 282 ; 



taped ry, 283; mafon, 284; carpenter, 285; their probofcis 



defcribed, 362. 

 Blea defcribed, 665. 

 Bug defcribed, 697. 



C 



Cellular tiffue, 664. 



Corona of trees defcribed, 669, 



Cry flail ization what, 680; how prepared for the microfcope,, 

 163. 



Cuff 's double-conftrucled microfcope defcribed, 80 ; how to ufe 



it, 81 ; lift of the apparatus, 82. 

 Culpeper's ditto, 89 ; how to ufe it, 90 ; lift of it's apparatus, 91 „ 

 Caterpillars, curious circumftances relating to them, 313; of the 



phalama coffus, defcribed, 324. 

 Curculio imperialis, 368. 

 Chryfomela afparagi, 389* 



D 



Divini, Euftachio, his compound microfcope defcribed, ifj» 

 Dellebarre's microfcope, 23. 



E 



Eye, nature of vifion in the, 31. 



Ellis's aquatic microfcope defcribed, 1 10 ; to ufe it, 1 12. 



Eel's 



