144 



INDEX. 



Tracheae of insects, 71, 109. 

 Transfer of objects, 17. 

 Trough for dissection, 107. 

 Tubes, glass, 17. 



Turnbull's, Dr., Prussian blue for in- 

 jection, 126. 

 Turpentine, use of, 58. 



UNIVERSAL STAND, to make, 25. 



VALENTIN'S KNIFE, 102. 

 Vallisneria spiralis, rotation in, 134; 

 to cultivate, 135. 



Tarnishes, 23. 



Vegetable objects, to mount dry, 48 ; 



to mount in jelly, 88 ; dissection of, 



107. 



WATCH-GLASSES, 19. 

 Whalebone, sections of, 100. 

 Wood, sections of, ib. 



ZOOPHYTES, to mount dry, 55 ; Dr. 

 Golding Bird on mounting, in bal- 

 sam, 65 ; as polarizing objects, 77. 



