TEMPERATURE OF ARTERIAL AND VENOUS BLOOD. S27 
the combination of oxygen with haemoglobin. The numerous results 
obtained by different observers have been collected by Bernard, 1 and 
are given in the following tables : — 
Table I. 
Results in whieJi the Arterial Blood is warmer than the Venous. 
Author. 
Arterial 
Blood. 
Venous 
Blood. 
Differ- 
ence. 
Animal. 
Part Examined. 
Method. 
Haller 2 (1760), 
37-2 
36°-l 
r-i 
1 
1 
1 
Schwenke 
Crawford 3 (177S) 
38 2 -8 
37°-5 
l°-3 
Sheep. 
Carotid artery, jug- 
ular vein. 
Thermometer 
placed in 
blood col- 
lected. 
Krimer (1823) 
38 3 -18 
37-20 
0°-98 
Man. 
Temporal artery, 
jugular vein. 
Thermometer 
in jet of 
blood. 
37° -5 
36°-6 
0°9 
Woman. 
,, 
,, 
37°'2 
36° 3 
J -9 
Man. 
Amputation of arm, 
brachial artery 
and vein. 
" 
Scudamore 4 
37-7 
36 = '6 
1°-1 
Sheep. 
Carotid artery, jug- 
., 
(1826) 
ular vein. 
36° -1 
35 D 5 
0°6 
Man. 
Temporal artery, 
vein of arm. 
" 
Saissy 5 (1808) 
38° -5 
38 3 -0 
0°-5 
Mavraot. 
R i g h t a d d 1 e ft 
ventricle. 
Incision of 
heart. 
36 3 -5 
36' -0 
0°-5 
Hi dge- 
hog. 
" 
" 
38= -0 
37-5 
0'5 
Scpiinel. 
Experiments 
on two ani- 
mals com- 
pared. 
31°-4 
31°-0 
0-4 
Bat. 
,, 
j) 
J. Davy 6 (1815) 
40 = -0 
39-1 
: -9 
Lamb. 
Carotid artery, jug- 
ular vein. 
One thermo- 
metei in vein, 
anotherinjet 
of arterial 
blood. 
40^-5 
40° -0 
0°-5 
,, 
>' 
j» 
40° -5 
40 3 
: -5 
,, 
; » 
,, 
40° -5 
39° -7 
3 8 
» 
)) 
j j 
40°'5 
40 ; -0 
0°-5 
,, 
)> 
,, 
40 D -2 
39°-7 
0°-5 
Ewe. 
,, 
) » 
40'' -0 
39 c -l 
0°9 
>> 
,, 
,, 
40' -0 
39°-4 
c -6 
,, 
,, 
?> 
38° 6 
37 -7 
0=-9 
Ox. 
>> 
?> 
38° -3 
38°-3 
o°-o 
>j 
,, 
,, 
Nasse 7 (1843) 
41 '-1 
40° -8 
0-3 
Lamb. 
Right and left 
ventricle ; great 
intestine, 40" "0 
Animals just 
dead, chest 
opened, ven- 
41~'-1 
40 -5 
0'-6 
,, 
40-5 
tricles in- 
4r-i 
40°-8 
0°3 
,, 
40--5 
cised. 
42° -8 
41 = "25 
l°-55 
' 
,, 
,, 
41°-8 
40" -6 
l°-2 
1 
,, 
42°-5 
41°-25 
l 3 -25 
■' 
" 
[Continued on next page. 
1 ,: Lecons sur la chaleur animale," 1876, p. 40 et seq. 
2 " Elementa Physiol.," 1760. 
3 "Experiments and Observations on Animal Heat," London, 1779. 
4 "An Essay on the Blood," London, 182a. 
5 "Recherches experimentales," etc., Paris, 1808, p. 69. 
6 Phil. Trans., London, 1S14. 
7 Eheinisch. u. WesVphal. Correspondenzbl., 1S43, 1S44, 1845. 
