INDEX II. 
*Life annuities, explanations of Mr. 
M‘Clintock’s method of finding the 
value of, by means of the gamma 
function, by T. B. Sprague, 19. 
*Life-insurance companies, T’. B. Sprague 
on the causes of insolvency in, and the 
best means of detecting, exposing, and 
preventing it, 211. 
*Light, further experiments on, with 
circularly ruled ites of glass, by P. 
Braham, 25. 
—, the chemical action of, Prof. 
Roscoe on a self-registering apparatus 
for measuring, 66. 
*Liquefied gases, Dr. Dewaron the latent 
heat of, 57. 
Lister (T.) on spring migratory birds 
of the north of England, 137. 
*Lockyer (J. N.) on Coggia’s comet, 
20; *on a new map of the solar spec- 
trum, 20. 
Longevity at five score eleven years, 
Sir G. Duncan Gibb, Bart., on, 152. 
Lough Neagh, Prof. Hodges on the 
petrified wood of, 58. 
——, , Ireland, E. T. Hardman on 
the age and formation of, 79. 
Lovett (W. J.) onan improved vacuum 
filter-pump, 65. 
Luke (R.) on Luke’s patent safety facing- 
point lock, for securing railway facing- 
oints, 224, 
Te bien Desert, Dr. G. Schweinfurth on 
the oases of the, 173. 
Lynam (J.) on the river Shannon 
drainage and navigation, 226. 
* 
*Macalister (Prof.) on two new species 
of Pentastoma, 137 ; *on the specimen 
of Selache maximus lately caught at 
Innisboflin, 137; *on the tongue of 
the Great Anteater, 143; *on some 
anomalous forms of the human peri- 
orbital bones, 143. 
M‘Cann (Rev. Dr.) on the methods of a 
complete anthropology, 156. 
*M‘Clintock’s method of finding the 
value of life annuities by means of 
the gamma function, explanations of, 
by T. B. Sprague, 19. 
MacCormac (Dr. H.) on the reclama- 
tion and sanification of the Pontine 
Marshes, 209. 
MacGahan (J. A.) on the Russian expe- 
dition to Khivya, 185. 
M‘Lennan’s theory of “ Primitive Mar- 
riage,” J. J. Murphy on, 156. 
M‘Mordie (H.) on the reformatory and 
industrial school system, its evils and 
dangers, 210, 
245 
Man, Rey. J, Edkins on the degeneracy 
of, 150. 
*Mangold-wurzel, Dr. Moore on grafted 
roots of, 134, 
Maps and plans, Capt. Abney on the re- 
production of, in the field, 183. 
Marine alge from Jersey,:!Dr. C. J. B, 
Wiliams on specimens of, 134, 
*Mariner’s compass, Sir W. Thomson on 
improvements in the, 231. 
Marshall (F. H.), description of a trompe 
or blowing-engine for giving a supply 
of coal-gas under pressure for sensitive 
flames, 42. 
Mathematical and Physical Section, Ad- 
dress by Rey. Prof. Jellett to the, 1. 
—— tables, contributions to the report 
on, by Prof. B. de Haan, 16. 
Maunoir (C.) on the International Con- 
gress of Geographical Sciences, 184. 
Maxwell (Prof. J. C.) on the application 
of Kirchhoff’s rules for electric circuits 
to the solution of a geometrical pro- 
blem, 18. 
Mechanical Section, Address by Prof, J. 
Thomson to the, 212. ; 
*Medical profession, Miss Beedy on re- 
form in the work of the, 192. 
* Megacarpea, Dr. Moore on a monstrous 
state of, 154. 
Merrifield (C. W.) on the determination 
of the form of the dome of uniform 
stress, 227. 
Metallic chlorides, electrolytic experi- 
ments on some, by Prof. Gladstone 
and A. Tribe, 58. 
Meteorology at Banbridge for ten years, 
J. Smyth, jun., on the, 39, 
—-, physical, Lieut.-Col. A. Strange 
on the necessity for placing on a ra- 
tional basis, 40. 
*Methyl-thetine, Prof. Crum Brown 
= and Dr. E. A. Letts on, 56. 
ficroscope for physiological purposes 
Dr. Ro Guten are new fuiadnhe 140,’ 
Microzou in the chalk-flints of the north 
of Ireland, J. Wright on the discovery 
of, 95. 
Middle Lias at Ballycastle, G. Langtry 
on the occurrence of the, 88. 
Moffat (T.) on the apparent connexion 
between sun-spots and atmospheric 
ozone, 37. 
*Mollusca, E. Ray Lankester on the 
genealogical import of the internal 
shell of, 137. 
Monuments, rude stone, of the Khasi 
hill tribes, Major H. H. Godwin- 
Austen on the, 153. 
*Moore (Dr.) on @ monstrous state of 
