INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1875. 
A. 
Abel (F. A.) and Noble (Capt.) (see Noble). 
Allman (G. J.). On the Structure and Development of Myriothela, 549. — General description, 549 ; 
anatomy, 551 ; the gonosome, 557 ; development, 559 ; general remarks, 567 ; explanation of the 
plates, 572. 
Armagh Observatory , reduction of anemograms taken at, 403. 
B. 
Bessel’s determination of the law of a periodic phenomenon (see Chambers). 
Brain, localization of functions of/ 433 (see Ferrier). 
C. 
Cayley (A.). On Prepotentials, 675. 
Cephalopoda, development of, 38 (see Lankester). 
Chambers (C. and F.). On the Mathematical Expression of Observations of Complex Periodical Phe- 
nomena ; and on Planetary Influence on the Earth’s Magnetism, 361. — Application of the processes 
to determine whether there are any periodic variations of magnetic disturbances corresponding to the 
orbital or synodic periods of certain planets, 379; appendix, demonstrations of certain formulae, 
394 ; specimen calculation of Bessel’s coefficients, 400. 
Contraction of slags in cooling, 205. 
Crook.es (W.). On Repulsion resulting from Radiation. — Part II., 519 (for contents see p. 519). 
Croonian Lecture, 433 (see Ferrier). 
MDCCCLXXV. 5 L 
