November 18th, 1874.—Henry Ler, Esq., President in the chair. The 
minutes of the previous meeting were read and confirmed. The 
following gentlemen were ballotted for and duly elected members :— 
Alfred Kastty ; Walter Paton Hindley ; Frederick Hirtzel; Joseph 
Toms ; Captain J. D. Wake; and the following were nominated 
for election :—Robert A. James ; William Frederick Miller ; 8. G. 
Marks ; and C. Jarrett. : 
One dozen slides were presented to the Club’s cabinet by Mr. 
J. §S. Johnson, and one dozen by Mr. E. Lovett. The thanks of 
the Club were voted to the donors. ~ 
The Prestpent then called upon Dr. Anderson to read his 
paper ‘‘On tHE MinurEe Anatomy oF THE Human Lune.’ The 
lungs in man, said Dr. AnDERson, consist of two conical organs, 
called, by Kélliker, racemose glands, situated—one on each side of 
the chest. Each lung is divided into two lobes by a long and deep 
fissure, and in the right lung the upper lobe is sub-divided by a 
secord fissure ; there is also a further division into small polyhedral 
portions called lobules, connected by areolar tissue. These lobules 
are again sub-divided into smaller lobules or lunglets. In structure 
the lungs are composed of ramifications of the bronchial tubes with 
_ their terminal air-sacs and air-cells, intercellular passages, the pul- 
monary arteries and veins, bronchial arteries and veins, lymphatics 
and nerves—all these being held together by areolo-fibrous inter- 
stitial tissue, and constituting the parenchyma of the lungs. The 
nerves are derived from the pneumo-gastric and sympathetic ; they 
form two plexuses, the branches from which follow the course of 
__ the bronchial tubes, and are distributed to the intercellular passages 
and air-cells. The vascular system of the lungs consists of two 
_ distinct sets of blood-vessels, namely, pulmonary arteries and veins 
for the special function of the lungs, and bronchial arteries and 
_ veins for the nourishment of the bronchial tubes, the areolar tissue, 
_ &e. Some of the bronchial arterial capillaries discharge themselves 
_ into the corresponding bronchial veins, whilst others terminate in 
_ the pulmonary system. Special attention may now be directed to the 
_ bronchial tubes and their ultimate terminations. The two large 
__ bronchi, more or less cartilaginous in structure, proceeding from the 
_ bifureation of the trachea, and passing one to each lung, divide and 
_ sub-divide like the branches of a tree, and diminish in size until they 
_ areno larger than the 30th to the 50th of an inch in diameter. Bach 
_ bronchial tubeis distinct from the other, and is lined by mucous mem- 
_ brane, which is invested with a ciliated columnar epithelium. These 
minute tubes each terminate in a slight dilatation, into which open 
a number of orifices leading into somewhat elongated cavities, 
_ termed by Waters, air-sacs. From six to eight or ten of these 
_ air-sacs, the size of each of which varies from the 45th to the 85th 
