INDEX. 
903 
Curves of the third order, 415 (see Cayley). 
Cysticercus cellulosce, on the structure and development of the. 111. 
D. 
Daphnia, two methods of reproduction in, 79. 
Definite integrals, 745. 
Dirt-bands of glaciers, 342. 
Donkin (Professor W. F.). On the Equation of Laplace’s Functions, 43. — Postscript, 57. 
E. 
Electro-physiological Researches, 129 (see Matteucci). 
Elephant, description of the foetal membranes and placenta of the, 347. 
Ephippium, structure of the, in Daphnia, 79. 
Equations, on the theory of, 489, 703, 717, 727, 733 (see Cayley). 
Ethyl, compounds of, with phosphorus, 578. 
Excrements, on the immediate principles of human, 403. 
Excretine, 408. 
F. 
Faraday (Dr. Michael). The Bareeian Lecture. Experimental Relations of Gold (and other 
Metals) to Light, 145. — Gold-leaf, effect of heat, pressure, &c., 146 •, deflagrations of gold, &c., 152 •, 
films of gold, &c., by phosphorus, &c., 155 ; diffused particles of gold, 159 ; metallic character of 
the divided gold, 171 ; relations of gold (and other metals) to polarized light, 176. 
Frankland (Dr. E.). Researches on Organo-metallic Bodies. — Third Memoir. On a New Series of 
Organic Acids containing Nitrogen, 59. — Action of zincethyl upon binoxide of nitrogen, 60; dini- 
troethylic acid, 63 ; analyses of its salts, 69 ; products of its decomposition, 72 ; similar action of 
zincmethyl, dinitromethylic acid and its salts, 76. 
Fungi, on the fructification of certain sphseriaceous, 543. 
G. 
Glaciers, on the structure and motion of, 327 (see Tyndall). 
Gold, experimental relations of, to light, 145 (see Faraday). 
Gosse (P. H., Esq.). On the Dioecious Character of the Rotifera, 313. — List of genera in which it has 
been made out, 322. 
H. 
Hobarton, discussion of magnetic variations at, with reference to the decennial inequality, 1. 
Hodgkinson (E., Esq.). Experimental Researches on the Strength of Cast Iron from various parts of the 
Kingdom, 851. — First summary of results, 861; relative strengths of solid pillars of Low Moor 
Irons, No. 3 and 2, 864; strength of pillars dependent on their lateral dimensions, 864; on their 
length, 865 ; strength of pillars, the iron of the section of which is not uniform, 866 ; second 
summary of results, 871; third summary, 874; Appendix, containing additional experiments on 
iron. No. 2, 893. 
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