A STUDY IN MORBID AND NORMAL PHYSIOLOGY. 127 



12:40 P. M.— Rectal tcmporature 102\10. 12:50 r. M._Brain operated on. 

 2:46 F. M. — Rectal teiupei-atiire 102°. 4. 



4 p. M. — Rectal temperature 102^. 



Fisr. 12. 



Autopsy. — Large wound involviiif^ the second and third convolu- 

 tions ill the ueiphborliood of the sulcus cruciatus. Least jiussible 

 scratch on the auterior left hemi.spherc, some distance in trout of sulcus 

 cruciatus. 



Before Oper.\tio.v. 

 Quaulity of air (V) 



Heat Dissipation. 



96 at 72^11 — 32'3 = 40.11 = t . 

 96 



. V + (V X t' X 0.002035) = v. y= ^"" - =89. W = V X 0.08073 = 7.18 



1.08 



Rise in temp, of air 0.69 = t. Q = W X t X sp. h. = 7.18 X 0.G9 X 0.2374 = 1.17C1 = heat given to air. 



Rise in temp, of water 1.44 X 79.5436 = 114.5434 = heat given to calorimeter. 



1.1761 = heat given to air. 



Hourly disaipation of heat 115.7195 



Aftek Operation. 



Quantity of air ( V) = 97.8 at 7.5''.15 — 32^^ = 43.15 = t'. 



V + (V X t X 0.002035) 



v. V = 



97.8 

 1.087 



90. W = Y X 0.08073 = 7.26. 



Rise in temp, of air 0.21 = t. Q = W X t X sp. h. = 7.26 X 0.21 x 0.2374 = 0.3619 = heat given to air. 

 Rise in temp, of water 1.721 X 79.5436 = 130.8952 = heat given to calorimeter. 



0.3019 = heat given to air. 



Summary. 



Hourly dissipation of heat 137.2571 



Hourly dissipation of heat before operation 115.7195 

 Hourly dissipation of heat after operation 137.2571 



Hourly loss of heat dissipation following operation 21.5376 



Beat Proihictiati. 

 Before Operation. 



Rise of bodily temperature in an honr 0.1 = t. 



Q = W X t X sp. h. = 10 X 0.1 X 0.75 =. 0.75 = heat added to reserve. 



115.7195 = heat dissipation in an hour. 



Hourly production of heat 116.4695 



