Page:Proceedings of the Royal Society of London Vol 4.djvu/508

Rh Ferrnat, on a theorem of, 290. Fermentation, vinous, 150, 165. Fibre, on, 362, 384, 431. Fibres, decussation of, at the junction

of the medulla spinalis with the

medulla oblongata, 71. Fielding (Dr. G. H.) on tbe epidemic

influenza at Hull, 381. Ferrall (J. M.) on the anatomy and

physiology of certain structures in

the orbit, 311. Figure of equilibrium, on determining

the, 158.

of the earth, on the, 289.

Fish, cartilaginous, on the male organs

of, 129.

Fisher (Rev. G.), magnetical observa- tions of Capt. Sir E. Home, Bart., reduced by, 4.

Fluid, on the conditions of equilibrium of an incompressible, 157.

Fogs, on the formation of low, 33.

Forbes (Prof. J. D.), the Rumford medal awarded to, for his discoveries in the polarization and double re- fraction of heat, 104.

, on the transparency of the at- mosphere and the law of extinction of the solar rays in passing through it, 389.

Fossil remains of the Iguanodon and HylcEOsaurus, 290.

remains of turtles, 305.

-wood and coal imbedded in ig- neous rocks, 299.

Fossiparous generation, on, 441.

Fowler's (T.) calculating machine, 243.

Frankincense, consists of two acid resins, 163.

Franz (Dr. J. C. A.) on the case of a gentleman born blind, and success- fully operated upon in the 18th year of his age, 303.

Friction of water and steam against otherbodiesjon the electricityevolved by, 437.

Frodsham (W. J.) on the vibration of the pendulum, 78.

Galbanum, resin of, 241.

Gambodic acids, 163.

Gamboge, resin of, 163; chemical for- mula of, 163.

Ganglia, nervous, of the uterus, 321, 395.

Garden (P.), account of the humcane at Dumfries, Jan. 7, 1839, 123.

Gas voltaic battery, on the, 463.

Gases, inductive capacity of, 41.

Gassiot (J. P.) on the possibility of obtaining a spark before the circuit of the voltaic battery is completed, 193.

on Nobili's plate of colours, 195.

Gauss (Prof.), a Copley medal awarded

to, for his researches in magnetism,

99.

Generation, fossiparous, on, 441. Geology, on the parallel roads of Glen

Roy, and of other parts of Locha-

ber, 127.

of Kerguelen's Land, 299, 305.

, Notes on Northern Syria, 57.

, physical, on the state of the in- terior of the earth, 83.

, physical, on the phenomena

of precession and nutation, assuming the fluidity of the interior of the earth, 115, 129, 367.

Geometrical forms of turbinated and discoid shells, on the, 79.

Germ, the, or foundation of the new being, 223 ; comparison of the germs of animals and plants, 226.

Germinal vesicle and its contents, the most primitive portion of the ovum, 74.

— — vesicle and spot, changes in, pre- paratory to fecundation, 222 ; after fecundation, 223 ; not a nucleus but a parent cell, 223.

— — in birds, batrachian reptiles and osseous fishes, 242.

Gibraltar, wind table from observations taken at, 432.

Gilbert (Davies), biographical notice of, 256.

Gillies (Lieut.) on the variation of the

magnetic needle, 437. Glen Roy, on the parallel roads of, 127. Glow, electric, 55.

Golconda, on the diamond mines of, 280.

Gold, on the reduction of, 447.

Graafian vesicle, 74 ; of mammals, how related to the calyx of birds, amphibia and fishes, 74; the order of formation of the more permanent parts of the ovum and the Graafian vesicle in mammalia, 76.

Graham (Prof. Thomas), a Royal medal awarded to, for his inquiries respecting the constitution of salts; of oxalates, &c., 102.