878 
Index. 
Loven (Professor Sven), elected a 
Foreign Honorary Fellow, 94. 
Lowering of the Maximum Density 
Point of Water by Pressure, 626, 809. 
Lyman (Professor Theodore), Report 
on the Ophiuroidea of the Faroe 
Channel, 707. 
Lymnseus : Its Anatomy, by F. E. 
Beddard, B.A., 576. 
Lyngbya scabrosa, 456. 
Lythracece Socotrenses, 512. 
Macfarlane (Dr. Alex.), Algebra of 
Relationship, Part II., 5. 
Algebra of Relationship, Part 
III., 162 ; the Number of Genus 
Relationships of the 11th Order, 
165 ; the Order-Index, 167 ; the 
Degree-Index, 165. 
On Morgan’s Systems of 
Consanguinity and Affinity, 245. 
Electric Discharge through 
Colza Oil, 293. 
and D. Rintoul, on the Effect of 
Flameon the Electric Discharge, 567. 
and D. Rintoul, on the Effect 
of Moisture on the Electric Dis- 
charge, 801. 
Macfarlane (J. M. ), B.Sc. , on the 
Vegetable Cell, 576. 
Macintosh (Dr.- W. C.), Note on a 
Phoronis dredged in H.M.S. 
“Challenger,” 211. 
M‘Intosh (Professor W. Carmichael), 
Report on the Annelida of the 
Faroe Channel, 693. 
Contributes an Obituary No- 
tice of Dr. William Lauder Lind- 
say, 736. 
Mackay (J. S. ), M.A., elected a 
Fellow of the Society, 514. 
Maclagan (David), F.R.S.E., contri- 
butes an Obituary Notice of David 
Smith, late Treasurer, 734. 
(Professor) contributes Obitu- 
ary Notice of Dr. Andrew Wood, 
338. 
M £ Neill (Donald), Notes on the 
Boulders of Colonsay, 264. 
Madeira. — On some Points in its 
Meteorology, by the Astronomer- 
Royal for Scotland, 629 . 
Mair (Rev. Hugh), Report as to 
Boulders at Keiss, 749. 
Makdougall-Brisbane Prize for the 
period 1879-80, awarded to Pro- 
fessor Piazzi Smyth, Astronomer- 
Royal for Scotland, 361. 
Mctlvacece Socotrenses , 503. 
Manganese : Its Action on Steel, by 
Dr. R. S. Marsden, 566. 
Marsden (Dr. R. Sydney) on the 
Crystallisation of Silica from Fused 
Metals, 37. 
on the Manner in which Sili- 
con, Phosphorus, Manganese, and 
other elements exert their influence 
upon Steel, 566. 
on the Preparation of Adaman- 
tine Carbon or Diamond, 20. 
on the State of Carbon in Iron 
and Steel ; a New Hypothesis of 
the Hardening of Steel, 368. 
Marshall (Professor D. H.) elected a 
Fellow of the Society, 622. 
On the Lowering of the Maxi- 
mum Density Point of Water by 
Pressure, 626, 809. 
Marsipclla cylinclrica, 714. 
Martite, 549. 
Mazonia : A Genus of Scorpion, 245. 
Meconates of Lead, 34 ; of Silver, 34. 
Meconic Acid, not proved to be Tri- 
basic, 33. 
Mediterranean : Its Colour, by John 
Aitken, 472. 
Menispermacece Socotrenses, 500. 
Menzies (Dr. ), Determination of Longi- 
tude without a Chronometer, 293. 
Mesoploclon biclens (Sowerby’s Whale), 
by Professor Turner, 443 ; Table of 
Cranial Measurements, 449 ; Spinal 
Column, 451 ; Dorsal Vertebrae, &c., 
452-55. 
Metals, Heats of Combination of, with 
the Halogens, 804, 830. 
Microcosmus (Heller), a Genus of the 
Cynthiadse described, 54. 
polymorphous (Heller), 55. 
propinguus , new species, 55. 
Microphone. — On the Cause of Sounds 
produced in the Microphone Re- 
ceiver, by Prof. James Blyth, 206. 
Its Action, by Professor James 
Blyth, 622. 
Mierothamnion brcviarticulatum , 456. 
Mid-Lochaber : Its Surface Geology, 
by Professor Duns, 483. 
Millar (W. J. ) on the Dimensions of 
Cast Iron at various Temperatures, 
with more especial reference to the 
Phenomena of the Solid Floating on 
the Molten Metal, 549. 
Milton (John), His “ Defensio pro 
Populo Anglicano,” in connection 
with the Dawn of the Constitutional 
Principle, 155. 
Minding’s Theorem, by G. Plarr, 528. 
Mineralogy of Scotland, Chapter VII., 
by Professor Heddle, 549 ; Psilome- 
lane, Turgite, and Martite, 549 ; 
Ilmenites and Iserines, 549. 
