Index. 
825 
Mineral Water, Note on a New 
Scottish Acidulous Chalybeate, 470. 
Mirrors and Lenses, Optical Effects 
of, 412. 
Monodon monoceros, 759. 
Mortality, the Rate of, in Assured 
Lives, 115. 
Motion, the roost General, of an 
Incompressible Perfect Fluid, 143. 
—-of an Incompressible Fluid in 
Two Dimensions, 142. 
-of a Heavy Body along the 
Circumference of a Circle, Addi¬ 
tional Note on, 361. * 
-of Free Solids through a 
Liquid, 384. 
Muir (John). Notes on Indian Society 
and Life, 119. 
Muir (William), Obituary Notice of, 
22 . 
Murchison (Sir Boderick Impey, 
Bart.), Bust of, 530. 
-Obituary Notice of, 538. 
Music, Scales employed in Scottish, 
382. 
Muspratt (James Sheridan), Obituary 
Notice of, 533. 
Myths, Principles of Scientific Inter¬ 
pretation in, 44. 
Narwhal, some Observations on the 
Dentition of the, 759. 
Nasmyth (Robert), Obituary Notice 
of, 245. 
Neaves (Hon. Lord). Opening Ad¬ 
dress, Session 1869-70, 2. 
-Primitive Affinity between 
the Classical and the Low German 
Languages, 167. 
-- on the Pentatonic and other 
Scales employed in Scottish Music, 
382. 
- Some Helps to the Study of 
Scoto-Celtic Philology, 758. 
Nicobar Islands, Objects from, 353. 
Nicol Prism, 468. 
Obituary Notices, 2, 241, 532. 
Office-Bearers, 1869-70, 1; 1870-71, 
231; 1871-72, 529. 
Opening Address, Session 1869-70. 2 ; 
Session 1870-71, 232; Session 
1871-72, 531. 
Operator <p (v), 607. 
Optical Experiments, 466. 
Osseous Fishes, Homologies of their 
Vertebral Skeleton, 472. 
Parturition, Efficient Powers of, 370. 
Parturition, Resultant of the Forces 
of, 648. 
Pendulum Motion, 608. 
Pendulums, a Method of Exhibiting 
the Sympathy of, 779. 
Penny (Frederick), Obituary Notice 
of, 25. 
Pettigrew (Dr James Bell), on the 
Physiology of Wings ; being an 
Analysis of the Movements by 
which Flight is produced in the 
Insect, Bat, and Bird, 336. 
Philology, Study of Scoto-Celtic, 758. 
Physiology of Wings, 336. 
Physostigma, an Experimental Re¬ 
search on the Antagonism between 
the Actions of, and Atropia, 506. 
Picoline, on the Oxidation Products 
of, 192. 
Pinus Pinaster, Abnormal Cones of, 
449, 663. 
Placenta, on the Maternal Sinus Vas¬ 
cular System of the Human, 760. 
Polarised Light, Spectra formed by 
Doubly Refracting Crystals in, 172. 
Prussia, Address on the Educational 
System of, 309. 
Pyramid, Theory of Construction of 
the Great, 162. 
--Notes on the Antechamber of 
the Great, 422. 
Quaternions, Note on Linear Diffe¬ 
rential Equations in, 311, 784. 
■-Integrals, 318. 
—--Integration, 434. 
Rain, Proposed Method of ascertain¬ 
ing the Temperature of Falling, 
170. 
-the Fall of, at Carlisle and in 
the Neighbourhood, 434. 
Rainfall, of Scotland, the Mean 
Monthly, 665. 
- of the Continents of the 
Globe, 755. 
Rankine (W. J. Macquorn), Letter 
from, regarding Diagrams of Forces 
and Framework, 171. 
-on the Decomposition of Forces 
externally applied to an Elastic 
Solid, 611. 
Retina, Note on a Singular Property 
of, 605. 
Rigveda. Indian Life and Society in 
the Age when the Hymns of the 
Rigveda were composed, 119. 
River Terraces of the Earn and 
Teith, 41. 
