Effects of Intravenous Injection of Suprarenal Extracts 61 



FIG. 37. Effect upon blood-pressure, kidney volume, and flow of urine of injecting suprarenal 



extract into the vein of a dog. (From Schafer and Herring, Phil. Trans., 1906.) 

 A, blood.pressure tracing ; B kidney volume change (oncograph) : the full extent of the shrinkage is not recorded 

 ' 3 gnetO ' electdc si nal ' D - tin ' e in ''"-second larval. ; E, abscissa of b.oodi 



A> 



FIG. 38. Effect upon blood-pressure and limb volume of injecting suprarenal extract into 



a vein (dog). 



rhn^nf g rite"r S V *? "f* 6 "!?- 1 p 88nre : B > volume <' han ^s of left fors limb, nerves intact ; D, volume 

 changes of right fore limb, brachial plexus cut ; E, signal ; the line records abscissa of blood-pressure. 



