178 



CLINICAL BACTERIOLOGY AND HEMATOLOGY 



cover-glass ; this must not enclose any air under it, nor cause any 

 of the diluted blood to flow into the moat round the cell. 



Fig. 43. — Oliver's H^moglobinomeier. 



The specimen is now ready for comparison with the standards. 

 It is to be taken into a dark room and examined by the light of 



