INDEX II. 
Muscular system, on the morphology of 
the, 138. 
Nasmyth (James) on the structure of the 
lunar surface and its relation to that 
of the earth, 25. 
Neison (F. G. P.), mortality of the pro- 
vident classes in this country and on 
the continent, 151. ~ 
New England, on terraces and ancient 
sea-beaches, especially those on the 
Connecticutriver, and its tributaries in, 
87. 
New Granada, on emigration to, 79. 
Newman (Prof. F. W.) on the Souka- 
neeah dialect of the Berber, 142. 
Newport (George) on the reciprocal re- 
lation of the vital and physical forces, 
133. 
Newton’s rings, on the mode of disap- 
pearance of, in passing the angle of 
total internal reflexion, 19. 
Nicol (James) on the geology of the 
southern extremity of Cantyre, Ar- 
gyleshire, 100. 
Nile, on the climate of the valley of the, 
45. 
Nitrogen, on the per-centage of, as an 
index to the nutritive value of food, 64. 
North Berwick, on the manner in which 
trap or igneous rocks intrude into the 
sandstone and conglomerate near, 101. 
Observatories, on a folding dome for, 180. 
Observatory, on a new form of equatorial 
. mounting now making for the Edin- 
burgh, 187. 
Oolite, on the great and inferior, in the 
neighbourhood of Grantham, 74. 
Organic bases, on the action of oxidizing 
agents on certain, 47. 
Organic remains, on the distribution of, 
in the Dorsetshire purbecks, 79; list 
of, in the frontier chain of Scotland, 
107. 
Ormerod (G. W.) on the gradual subsi- 
dence of a portion of the surface of 
Chat Moss in Lancashire, by drainage, 
101. ᾿ 
Osler. (Follett), registers from his new 
integrating anemometer, 46. 
Ox, on a new membrane investing the 
crystalline lens of the, 4. 
Palzozoic fossils in the crystalline chain 
of the Forez in France, on the, 96. 
Patents, on the cost of obtaining, in dif- 
_ ferent countries, 149. 
Peach (C. W.), list of zoophytes found 
in the vicinity of Peterhead, with 
203 
a notice of some new to the British 
list, 126. 
Peninsula, notice on the geological struc- 
ture of Spain, to explain an outline 
general map of the, 108. 
Penny (Dr. Frederick) on a new and ready 
process for the quantitative determina- 
tion of iron, 58. 
Perodicticus of Bennett, on the genus, 
and its relation to Stenops, 125. 
Peterhead, on zoophytes found in the vi- 
cinity of, 126. 
Petrie (William) on the phosphorescence 
of potassium, 59; on the application 
of electricity and heat asmoving powers, 
183; on the powers of minute vision, 
ib.; on the relative and absolute powers 
of galvanic arrangements, 185; on the 
dynamic equivalent of current elec- 
tricity, and on a fixed scale for elec- 
tromotive force in galvanometry, ib. 
Phillips (Professor) on the effects pro- 
duced by lightning on a tree near Edin- 
burgh, 13; on isoclinal magnetic lines 
in Yorkshire, 14. 
Photogenic light, on a new instrument 
calledthedynactinometer for measuring 
the intensity of the, 12. 
Photography, on the recent improvements 
in, 6,12; on the application of, to the 
compound microscope, 126. 
Physics, 1; cometary, 31. 
Physiology, 128. 
Pinguicula, on the epidermal appendages 
of the genera, 113. 
Plants, on the growth of, in abnormal 
atmospheres, 54; on the hedge, of In- 
dia, and the conditions which adapt 
them for special purposes and particu- 
lar localities, 113. 
Platinum and magnesia, on the optical 
properties of the cyanurets of, 5; on 
the optical properties of the cyanurets 
of barytes and, 5. 
Playfair (Dr. Lyon) on the condensation 
of volume in highly hydrated minerals, 
60. 
Plumbago, on the recent discovery of, in 
the island of Mull, 102. 
Plumularia, observations on the genus, 
118. ? 
Po in Piedmont, parallel between the su- 
perficial deposits of the basin of, and 
those of the valley of the, 90. 
Polyzoa from Port Natal, Algoa Bay and 
Table Bay, 118. 
Polyzones inscribed ona surface of the 
second order, on, 2. 
Portlock (Lieut.-Col.), notice of the man- 
ner in which trap or igneous rocks in- 
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