heart. The consequent curtailment 



ho* at first eausi 



••ails-- of a reciprocal 



body. Meanwhile, however, * 



progressively inereasi] 



for th- temic eircnlation. «'"t 



the arterial constriction, the bl< 



level, and the secondary symptoms of fall ii I 

 refli ipervene. Ii 



its flow. 



Fundamental question in th< 

 fore tki cauti of tl • itagnation 



uenulet. Two hypotheses have 1 n offered, i 



of afferent nerve fibers to tin lar 



ventilation with a consequent washii 



blood acapnia . which causes a '- •■• 



thai a bombardment of th< 



by afferent impulses brings tl 



tion, which is the essential caua 



• may be at once dismissed, since, on I 

 shown tlmt in typical Bhoch there is 

 the venous blood Short d on t ; 



• often produced withoul 



Nor is there any «•'• idei ce 

 fatigue of the cardinal cent< 

 latinii. In the first place, i1 

 dling of the abdominal \ isce 

 spinal COl much less mark". I thai ' 



tral enda wry n< 



limbs an<l joints, althougl - much 11 



mer procedure Tl t method empl 

 • at imp 



which 



and the cum tion whicl 



pulses registered ; 

 simple and direct in prii 



•ar«- in practice 

 of the head end «»f the animal t 



I the furtl, " tliis 



ones 



observed *" 



