APPENDIX 



221 



men of blood, suitably diluted with water in a shallow white palette, 

 with a number of standard tests very carefully prepared by the use of 



FIG. 68.- Oliver's haanoglobinometer : a, standard gradations : 6, lancet : c capillary 

 measuring pipette ; d, mixing pipette ; e, blood cell and cover glass. 



Lovibond's coloured glasses. The capillary pipette c (fig. 68) is first filled 

 with olood obtained by .pricking the finger, This is washed with water 



