700 
INDEX. 
P. 
Park.es (W.). On the Tides of Bombay and Kurrachee, 685. 
Phillips (J.). Notices of some Parts of the Surface of the Moon, 333. — Explanation of the plates, 343 ; 
Supplement, 344. 
Pollock (F.). On the Mysteries of Numbers alluded to by Fermat. — Second Communication, 627. 
Preparations , anatomical, of brain, &c., method of making, 321 (see Clarke) . 
Probability, on the theory of local, 181 (see Crofton). 
Projectiles, resistance of the air to, 417, 443. 
R. 
Reed (E. J.). On the Relation of Form and Dimensions to Weight of Material in the Construction of 
Iron-clad Ships, 473. 
Resistance of the air to projectiles, 417, 443. 
Rigidities, determination of, 363 (see Everett). 
Roots of equations, equal, 577 (see Cayley). 
Roscoe (H. E.). Researches on Vanadium, 1. 
S. 
Sabine (E.). Contributions to Terrestrial Magnetism. — No. XI., 371. 
Ships, iron-clad, 487 (see Reed). 
Sirius, deduction of the radial proper motion of, from its spectrum, 532. 
Solutions, supersaturated saline, 659. 
Sound of bells fyc., effect of hydrogen in diminishing, 447. 
Spectra of heavenly bodies, 529 (see Huggins) ; of blood, 589 (see Gamgee). 
Spectrum, wave-lengths corresponding to lines in the, 29 (see Airy). 
Stars, spectra of, 529 ; deduction of radial proper motion of, 532, 546. 
Stokes (G. G.). On the Communication of Vibration from a Vibrating Body to a surrounding Gas, 447. 
Sun-spots, spectra of, 550. 
T. 
Tides of Bombay and Kurrachee, 685. 
Tomlinson (C.). On Supersaturated Saline Solutions, 659. 
V. 
Vanadium, researches on, 1. 
Vibration, communication of, from a vibrating body to a surrounding gas, 447. 
W. 
Wohlerite, correction of the crystalline form of, by optical phenomena, 570. 
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