360 APPARATUS REQUIRED 



NECESSARY. ADVANTAGEOUS. 



51^. Preservative solutions. 9910113. Live cells for keeping 



52. Watch glasses to soak sections in the bodies alive, 

 preservative fluids. 85. 



53. Glass shades to protect recently Bell jar with vessel 

 mounted preparations from dust. for sulphuric acid. 

 86, pi. XVI, fig. 87. PL XX, fig. 131. 



54. Brass plate. 72, pi. XIV, fig. 68. Air-pump to remove air. 



Canada balsam. 94. bubbles from the in. 



Needles to remove air bubbles. terstices of a tissue. * 



143, pi. XX, fig. 129, 



XI. Apparatus Required for I he Separation of Deposits from 

 Fluids and for their Preservation. 



55. Conical glasses. 157, pi. XXII, fig. Glass troughs for Zoo- 



141. phytes. 248. 



56. Pipettes. 158, pi. XXII, fig. 140. 



57. Wash-bottle. 163, pi. XXII, fig. 



143- 



58. Cells for examining infusoria. p. 66, 



pi. XVIII, fig. 112, pi. VII, fig. 28. 



59. Animalcule cage. 134, pi. XVIII, 



fig. 112, pi. VII, fig. 28. 



XII. Instruments and Apparatus Required for Making 



injections. 



60. Injecting syringe, holding from half an 

 ounce to an ounce. 165, pi. XXIII, 



fig. IS 1 - 



6 1. Pipes of various sizes. 165, pi. 



XXIII, figs. 156, 157. 



62. Corks for stopping the pipes. 165, Stop cocks. 165, pi, 

 pi. XXIII, fig. 150. XXIII, fig. 155. 



63. Needle for passing the thread round 



the vessel. 165, pi. XXIII, fig. 

 158. 



64. Thread of different degrees of thick- 



ness. 



. Bull's-nose forceps for stopping vessels. 

 165, pi. XXIII, fig. 149- 



