656 
INDEX. 
C. 
Cayley (Arthur, Esq.). Analytical Researches connected with Steiner’s extension of Mal- 
FATTi’s Problem, 253. 
Cleavage and foliation of the rocks of the north of Scotland, arrangement of, 445. 
Crustacea, on the circulating fluids of, 650. 
Current force, on the manifestation of, during secretion in living animals, 279. 
D. 
Doris, on the anatomy of, 207. Digestive system, 208. Generative organs, 216. Organs of 
circulation and respiration, 224. Nervous system, 230. 
E. 
Echinodermata, on the circulating fluids of, 605. Blood-proper in, 608. Chylaqueous fluid in, 
612. 
Electricity , Experimental Researches in. — Twenty-eighth series. On lines of magnetic force, 25. 
. Twenty-ninth series, 137. On the employment of the induced magneto-electric cur- 
rent as a test and measure of magnetic force, ihid. Galvanometer indications, ihid. Revolving 
rectangles and rings, 142. On the amount and general disposition of the forces of a magnet 
when associated with other magnets, 152. Delineation of lines of magnetic force by iron 
fllings, 156. 
Electro- chemical polarity of gases, 87. 
Elliot (Captain C. M.). On the Lunar Atmospheric Tide at Singapore, 125. 
Elliptic integrals, researches on the geometrical properties of, 311. On the spherical ellipse, 316. 
On the spherical parabola, 328. On the logarithmic ellipse, 345. On the logarithmic hyper- 
bola, 362. Expression of the difference between an arc of a logarithmic hyperbola and the 
corresponding arc of the tangent parabola, 369. On the values of complete elliptic integrals 
of the third order, 374. On conjugate arcs of hyperconic sections, 385. On the maximum 
protangent arcs of ditto, 401. On derivative hyperconic sections, 406. 
Entozoa, on the circulating fluids of, 619. 
Ethyl, action of tin upon iodide of, 418. 
F. 
Faraday (Michael, Esq.). Experimental Researches in Electricity. Twenty-eighth Series, 25. 
Twenty-ninth Series, 137. 
Foliation and cleavage of the rocks of the north of Scotland, on the arrangement of the, 445. Con- 
tortions of the foliation, 447. Its arrangement in arches, ibid. Analogy between foliation and 
cleavage, 448. Geographical arrangement of, 449. Foliation different from stratification, 457. 
Gneiss and mica schist not metamorphic, 458. 
Frankland (Dr. E.). On a new series of organic bodies containing metals, 417. 
G. 
Gases, on the electro-chemical polarity of, 87. 
Gasteropoda, on the circulating fluids of, 657. 
