Index. 
661 
Ova, Development of, and Structure 
of the Ovary in Man and other 
Mammals, 437. 
Oxide of Chlorine, Thermal Equi- 
valents of, 51. 
Ozone, On the Physiological Action 
of, 211. 
Address on, 229. 
Pearson (Rev. Jas.), A Chapter on the 
Tides, 627. 
Placenta of Ruminants, — a Deciduate 
Placenta, 537. 
Plarr (G.) on the Establishment of the 
Elementary Principles of Quater- 
nions on an Analytical Basis, 348. 
On the Elimination of a, j8, y, 
from the condition of integrability 
of S., Uadp, S. WySSp, S. Uydp, 436. 
Polyodon gladius of Martens, Anatomy 
of, 50, 136. 
Radiation, Diagram on a Form of, 366. 
Retina, Tait’s Property of the, 130. 
Robertson (George) on the Mud Banks 
of Narrakal and Allippey, two Na- 
tural Harbours of Refuge on the 
Malabar Coast, 70. 
Saline Solutions Electrical Conducti- 
vity of, 95. 
Sandford (Rev. D.F.), Obituary Notice 
of the Very Rev. Dean Ramsay, 289. 
Sang (Edward) on a Singular Pro- 
perty exhibited by the Fluid en- 
closed in Crystal Cavities, 87. 
and Hunter (Dr James), Ob- 
servations and Experiments on the 
Fluid in the Cavities of Calcareous 
Spar, 126. 
On the Curve of Second Sines 
and its Variations, 356. 
Remarks on the Great Lo- 
garithmic and Trigonometrical 
Tables, computed in the Bureau 
du Cadastre under the direction of 
M. Prony, 421. 
On the Complete Theory of 
the Stone Arch, 479. 
On a Faulty Construction 
common in Skewed Arches, 497. 
Reply to the Lefort’s Observa*- 
tions on Logarithmic Tables, 581. 
On Last-Place Errors in 
Vlacq’s Table of Logarithms, 371. 
Scott (J.), Resemblances of Microscopic 
Objects in Dichroite and Amethyst 
to some of the lower forms of Or- 
ganic Life, 52. 
Seals, On the Placentation of the, 137. 
Sharpey (Dr. W.), Obituary Notice of 
Dr. R. E. Grant, 486. 
Skewed Arches, On a Faulty Construc- 
tion common in, 497. 
Sloths, On the Placentation of the, 
134. 
Small (John), Obituary Notice of the 
Rev. Professor Stevenson, D.D., 314. 
Smith (C.M.), and Knott (C.G.), Ex- 
periments on the Thermal Conduc- 
tivity of some Dielectrics, 623. 
Smith (John Alexander), New Fishes 
from West Africa, Notice of, 89. 
Sodium and Potassium, On the 
Thermo-electrical Positions of, 350, 
362. 
Spherical Triangle, Circumscribed, 
Inscribed, and Escribed Circle of, 
589. 
Statement regarding Number of 
Members, December 1874, 420. 
Stevenson (David), Notice of the Ra- 
vages of Limnoria terebrans on 
Greenheart Timber, 182. 
Notice of Striated Rock Sur- 
faces on North Berwick Law, 481. 
Stevenson (Robert Louis) on the 
Thermal Influence of Forests, 114. 
Stone Arch, on the Complete Theory 
of, 479. 
Storms, Easterly Direction of, over 
the British Isles, 612. 
Strain-Function, &c., Additional Note 
on the, 84. 
Strains, Compound, on the Stresses 
due to, 335. 
Striated Rock Surfaces on North 
Berwick Law, Notice of, 481. 
Sulphide of Methyl, Compound formed 
by, 219. 
Swan (Professor), Singular Property 
possessed by the Fluid enclosed in 
Crystal Cavities in Iceland Spar, 
249. 
Synodontis Robbianus, J. A. Smith, 89. 
Tait (Professor) on Electric Conduc 
tivity, 32. 
On a Question of Arrangement 
and Probabilities, 37. 
Thermo- Electric Diagram, 47. 
On Angstrom’s Method for 
Conductivity of Bars, 55. 
On the Thermo-Electric Posi- 
tions of Sodium and Potassium, 
350, 362. 
and Dewar (James) on the 
exceedingly Small Pressures of 
Spectra, 363. 
