LABORATORY GUIDE IN PHYSIOLOGY. 



d. The Macula Lutea Maxwell's Experi- 

 ment. 



e. Shadows of the Fovea Centralis and 

 Retinal Blood Vessels. 



L. Perimetry: The Light- perimeter, the Form- 

 perimeter and the Color-perimeter 226 



LI. Determination of Normal Vision 232 



a. The Acuteness of Direct Vision. 



b. The Range of Accommodation. 



c. The Amplitude of Convergence. 



LIT. Normal Ophthalmoscopy Direct Method. 247 



a. The Emmetropic Eye. 



b. The Hypermetropic Eye. 



c. The Myopic Eye. 



LIII. Normal Ophthalmoscopy Indirect 

 Method. The Emmetropic, the Hyper- 

 metropic and the Myopic Eye 250 



LIV. Skiascopy 252 



The Emmetropic, the Myopic and the 

 Hyperopic Eye. 

 G. Physiological Haematology. 



LV. Examination of Fresh Blood 259 



LVI. Counting Red Blood Corpuscles Thoma- 



Zeiss Counter 262 



LVI I. Counting White Corpuscles. Decoloriz- 

 ing the Red Cells 265 



LVIII. Counting Red and White Corpuscles. 



Staining the White Cells 268 



LIX. To Determine the Relative Volume of Red 



Corpuscles and Plasma. The Haematocrit. 270 

 LX. Estimation of Haemoglobin, v. FleischPs 



Haemometer 273 



LXI. The Microscopic Technique of Haematol- 



ogy 276 



