INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1852. 
A. 
Air-engine, on the, 65. 
Analytical researches connected with Steiner’s extension of Malfatti’s problem, 253. 
Annelida, on the circulating fluids of, 622 ; chylaqueous fluid in, 624 ; blood-proper in, 630. 
Arachnida, on the circulating fluids of, 652. 
Articidata, on the circulating fluids of, 645. 
Ascaris mystax, on the reproduction of, 563. 
Atmospheric air, determination of the specific heat of, 72. 
B. 
Bakerian Lecture, 1. 
Bat's wing, on the rythmical contractility of the veins of, 131. 
Baxter (H. F., Esq.). An Experimental Inquiry undertaken with the view of ascertaining 
whether any and what signs of Current Force are manifested during the organic process of 
Secretion in living animals, 279. 
Biliarij secretion, on the manifestation of current force during, 280. 
Binocular vision, remarkable phenomena of, 1. 
Blood of invertebrate animals, on the, 595. 
Booth (Rev. James, LL.D.). Researches on the Geometrical properties of Elliptic Integrals, 
311. 
Brooke (Charles, Esq.). On the Automatic Registration of Magnetometers and Meteorological 
Instruments by Photography, No. IV., 19. 
Bryozoa, on the circulating fluids of, 655. 
MDCCCLII. 4 Q 
