The laws and mechanics of circulation, with the principle involved in animal movement . Pig. 43.—Marey. the point of extinction. Now, then, where is the correspond-ence spoken of as subsisting between the tracings producedby this artificial scheme and the tracings which are producedby the action in the arteries % For the life of me, I cannotperceive where it comes in. No, not at any place whatevercan it be seen in any one of these tracings. For example,. Fig. 44.—Marey. take that first ascending line in the tracing nearest the bulb,where the undulations are largest, and where impact of theliqu
The laws and mechanics of circulation, with the principle involved in animal movement . Pig. 43.—Marey. the point of extinction. Now, then, where is the correspond-ence spoken of as subsisting between the tracings producedby this artificial scheme and the tracings which are producedby the action in the arteries % For the life of me, I cannotperceive where it comes in. No, not at any place whatevercan it be seen in any one of these tracings. For example,. Fig. 44.—Marey. take that first ascending line in the tracing nearest the bulb,where the undulations are largest, and where impact of theliquid against the walls of the tubing is greatest, and com-pare it with this first perpendicular line in the arterial tracings,,which corresponds with arterial diastole (Fig. 42, b, c): The 142 AUTOMATISM IN THE VESSELS DEMONSTRATED. former is not perpendicular at all, the nearest approach approxi-mating 70 or 75 degrees only, while it rapidly tumbles down, ini he third tracing being upon the point of extinction ; whereas,in the case of the arterial tracings this line is perpendicular,and remains to the end perpendicular, even to the very capil-laries themselves (Fig. 51, V). Thus, two objections which arefatal, to this argument are at once made apparent. The reasonthe large undulations in the first tracing so rapidly tumbledown in the low, flat forms in the third tracing is easily un-derstood, notably : With every impact of the waves against thet
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