648 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



Otlier forms are described by Dr. P. Latteux in his ' Manuel de 

 Technique Microscopique.' 



Br. Latteux' s * (fig. 116) consists of a copper globe B, to hold the 

 compressed air, having a tube at A with mercury serving as a mano- 

 meter. Four taps are inserted in the globe of which one is the air 



Fig. 116. 



n 



tube from the indiarubber ball C, another regulates the pressure, 

 and the third and fourth E B communicate with two bottles F F 

 containing carmine and blue, the exit tubes G H from these bottles 

 terminating in canulse for insertion in a vein and artery, or artery and 

 gland duct. 



* Latteux, P., 'Manuel de technique microscopique,' 2nd ed., 1883, pp. 110-12 



