THE ACTION OF VENOMS UPON ARTERIAL PRESSURE. 109 



Time : Pressure REMARKS, 



min. see. m. m. 



11 50 116 

 13 50 118 



15 50 118 Injected a double quantity. 



16 10 100 



16 20 118 " " ' " 



16 30 110 



16 45 108 



17 45 132 Struggles. 

 19 45 114 



21 45 112 



23 45 106 



25 45 100 



26 45 88 



27 00 ... Animal killed by pithing. 



Experiment No. 58. 



Time : Pressure REMARKS, 



min. sec. m. m. 



Normal . . . 120 Injected intravenously 0.0017 gram dialysis-venom-globulin 



10 100 from the dried venom of the Crotalus adamanteus. 



20 112 



30 110 



50 150 Struggles. 



1 50 190 



4 20 130 



6 20 120 



8 20 126 



10 20 122 



12 20 120 



17 50 118 



18 20 118 Injected 0.0034 gram. 

 18 30 100 



18 40 148 Struggles. Injected a similar dose. 



19 00 140 

 19 15 170 

 19 20 176 



21 50 144 



22 00 140 



23 00 166 

 25 00 122 

 27 00 128 



29 00 114 Struggles. 



34 00 82 



34 30 80 



38 30 60 



41 00 50 



47 00 28 



49 00 ... Dead. 



The Action of Venom Globulins upon the Blood Pressure of Animals in which 

 the Pneumogastric, Depressor, and Sijmpathetic Nerves and Cervical Spinal Cord 

 had been Cut. — Four experiments were made on animals in which the nerves of the 



