80 Meetings of the Scientific Association of Great Britain. 
To illustrate the first, the aorta of a tiger was shewn, in which the 
superior intercostals arose at an acute, the middle at a right, and the 
lower at an obtuse angle, thus renderimg the force and velocity of 
the blood, equal through the whole series. For the second, he na- 
med the tortuous entrance of the internal carotid and vertebral ar- 
teries into the skull of the human subject. 
In the horse and other ruminantia, it is still more remarkable, on 
account of the great length of time in which they must keep their 
heads in a prone position. The third was illustrated by the sloth 
and hedgehog. ‘The fourth by the ruminantia—the existence of the 
rete mirabile in the ophthalmic artery of the seal and goose, and in 
the mesenteric arteries and veins of the hog. 
Excision of important joints.—Prof. Syme exhibited several pa- 
tients who had suffered the excision of the elbow and shoulder joints 
with safety. 
STATISTICS. 
Chairman, Sir Cuaries Lemon, Barr. 
Sept. 9.—Population of Manchester—Condition of a part of 
it.—It appears from a document of the Statistical Society of Man- 
chester, that the number of families visited by a Committee, was 
4102, consisting of nearly 20,000 persons, occupying 3110 houses, 
and 1002 cellars and aparments, of which only 689 were well fur- 
nished, 1551 were comfortably furnished and 2551 were uncomfort- 
able. Of the 20,000 persons, 7789 receive wages and only 158 
pay a rent over four shillings per week. In the same district there 
were 8121 children under twelve years, of whom 252 attended day 
schools, 4680 Sunday schools, and nearly half were without educa- 
tion. ‘The number of persons, who stated that they were able to 
read was 3114. 
Sept. 10.—Proportion of Males to Females in pee 2g 
appeared from the statements of Dr. Cleland, that in Glasgow, as 
elsewhere, there are more males born than females, but that in every 
period over fifteen years of age, the proportion of living females pre- 
dominates. 
Sept. 12.— Statistical Societies —Mr. Drinkwater stated that the 
Statistical Society of London already consisted of nearly four hun- 
dred and fifty members, and that it was actively employed in en- 
couraging the formation of similar societies in every part of the Uni- 
ted Kingdom. 
Statisteque Morale de France. —Capiain Maconochie gave an 
account of M. Guerry’s Essai sur la Statistique Morale de France. 
