108 ON DIGITALIS, WITH SOME OBSERVATIONS ON THE URINE. 



tracted, containing a clot. It was not \rliite from contraction. The blood, on 

 flowing from the body, coagulated in three minutes. The blood from the vena 

 cava inferior coagulated very quickly into an extremely firm clot in the thoracic- 

 cavity. The contents of the left side of the heart weighed 1 oz. 4^ drachms. 



Exp. III. — Nov. 29. — A full-grown sheep was experimented on — the hama- 

 dynamometer, showing the maximum and minimum, being employed. 



8.35' P.M. — Kespirations 56 per minute ; the sheep being at this time tied 

 down on the table. No chloroform was given. Carotid exposed. 



Time. 



p.w. 

 8.49' 



8.56' 



9.12' 

 9.14' 

 9.16' 

 9.19' 

 9.22' 



9.24' 

 9.25' 



9.26' 

 9.28' 

 9.30' 

 9.32' 

 9.42' 

 9.45' 

 9.47' 



9-52' 



10.10' 



Mx. & Mi 



Inclics. 



3-5—5 

 3-5-5 

 3-5—5 

 3-5—3 



4—5 



-4-6 



-4-4 



Eemarks. 



Distal end of carotid tied, and tube- 

 inserted. 



The clip removed ; tube then broke- 

 from tlie artery. 



Tube replaced, and clip removed. 



Animal excited by examining the- 

 wound. 



Half a grain of digitaline in water 

 ■was injected into the cellular 

 tissue of the thorax. 



On sliglit agitation. 

 Breathing more laboured. 

 Pulse steady at 80. 



Sheep struggling. 



Sheep struggles. After this the- 

 oscillations stopped, and clots 

 were suspected in the artery. 



Clip applied, and tube removed. 

 Again applied at 10.6', but at 

 10.10' the india-rubber stopper 

 came out, and the experiment 

 thus interrupted -was not re- 

 sumed. 



Q'he sheep was loosed from the 

 table. Seemed very unsteady on 

 its legs. There was some amount 

 of venous oozing irom the wound. 



Exp. IV. — Nov. 30. — This morning the sheep seemed still much depressed ; 

 it had made a good deal of water during the night. Between 1 and 2 p.m. it was 

 again tied on the operating table. Chloroform administered, and the other 

 carotid opened. 



