904 
INDEX. 
Hofmann (Dr. A. W.) and Cahours (M. A.). Researches on a New Class of Alcoholsj 555. — AJlyhc 
alcohol, 556; allylic ether, 558; sulphide of allyl, 559; allylic mercaptan, 560; sulphallvhc acid, 
560; allylic ethers, &c., 561; allyl-urea, &c., 565; allyl-ammonias, 566; iodide of tetrallylarso- 
nium, 571. 
Researches on the Phosphorus-Bases, 575. — Experiments in the 
ethyl series, triethylphosphine, &c., 578; action of heat upon oxide of tetrethylphosphonium, 585; 
experiments in the methyl series, trimethylphosphine, &c., 592 ; action of heat upon the hydrated 
oxide of tetramethylphosphonium, 595. 
Hopkins (W., Esq.). Experimental Researches on the Conductive Powers of various Substances, with the 
application of the Results to the Problem of Terrestrial Temperature, 805. — General experimental 
results respecting the conductive power of various substances, and the circumstances by which it is 
alfected, 805 ; summary of results, 820 ; comparison of theoretical deductions from the preceding 
experimental results, with observations on terrestrial temperature at various depths, 822 ; descrip- 
tion of the apparatus, &c., 837 ; detail of the experiments, 842. 
Huxley (Professor T. H.) and Tyndall (Professor J.). On the Structure and Motion of Glaciers, 327 
(see Tyndall). 
ft 
I. 
Isomorphism of crystals, on the geometrical, 29. 
K. 
Kirkman (Rev. Thomas P.). On Autopolar Polyedra, 183. 
On the K-partitions of the R-gon and R-ace, 217. 
L. 
Laplace’s Functions, on the equation of, 43. 
Lubbock (John, Esq.). An account of the Two Methods of Reproduction in Daphnia, and of the 
Structure of the Ephippium, 79. — Parthenogenesis in the Articulata, 95. 
M. 
Magnetic inequality, decennial, 1 (see Sabine). Discussion of hourly observations of the magnetic 
declination made at Point Barrow, 497 (see Sabine). 
Maguire (Capt. R.). Hourly Observations of the Magnetic Declination, &c., 515 (see Sabine). 
Marcet (Dr. W.). On the Immediate Principles of Human Excrements in the Healthy State, 403. — 
Excretine, 408. 
Matteucci (Professor C.). Electro-Physiological Researches. Physical and Chemical Phenomena of 
Muscular Contraction. Tenth Series, Part I., 129. — Development of heat, 129; of electricity, 131 ; 
of work, 142. 
Methyl, compounds of, with phosphorus, 592. 
Muscular contraction, physical and chemical phenomena of, 1.29 (see Matteucci). 
