INDEX. 
Naphthaiase, bromo .... 
388 
Physiology (Tiedemann’s) of man 
10 
-, nitro .... 
388 
—54—85—118 
Naphthalese, chloro .... 
.387 
Pinus, five new genera of , . 
388 
, perchloro .... 
387 

501 
^ hydro-chlorate of chloro 
387 
Pipe clay in washing 
399- 
, bromo .... 
388 
Plagionite 
1 
, bromide of chloro .... 
388 
Planet, changes in the physical con- 
Naphthaline and its compounds .... 
386 
dition of our 
278 
, chloride of .... 
387 
Plants, changes of the inferior orders 
Naphthalose, chloro .... 
387 
of . . 97- 
-170 
Naticidm form a distinct family from 
•, spontaneous .... 
.332 
the neritidae .... 
97 
■ of Bombay, catalogue of 
.380 
Nature, external, Kidd on .... 
414 
-448—583—652 
Needle, variation of the, at Pekin 
Neilgherry hills, geology of .... 
Nerbuddah, navigation of the 
Nervous system, pathology of the .. 
Nickel, sulphuret of .... 
, bin-arseniet of .... 
Nightingale, Mr. .... 
Nitrification 
Nitrogen gas evolved from fresh 
springs ' . . . . 
Notation, uniform system of .... 
Nux vomica bark, notice of .... 
Oerstedite .... 
Oils, vegetable .... 
Oil from flies .... 
Opium, analysis of .... 
, consumption of, in China 
Optical images, mathematical re- 
searches on 
properties of charcoal 
machine 
Optics, application of, to chemistry 
Organic compounds, Berzelius on 
Ornithology of the Mauritius 
93 
621 
416 
502 
334 
334 
620 
6 
1/2 
522 
287 
334 
294 
462 
91 
607 
173 
275 
295 
238 
667 
593 
new British and European 
from Assam 
Platina, gold, and silver, extensibility 
of .... 
Platinum 
and tin, compounds of . . 
Ploughs , steam .. 138- 
Pneumatic railway 59- 
Poisons, acrid, mode of action of .. 
arsenical 
Poisson on light and heat .... 
Polarized rays, Biot’s experiments with 
Polybasite .... 
Polypi, tubular and cellular 
Potash and soda, method of deter- 
mining the proportions of, when 
mixed together 
Potatoe beer .... 
Power for propelling cars, boats, &c. 
, new, by means of the galvanic 
“ battery, to supersede steam .... 
-, steam, applicable to the cul- 
389 
569 
233 
2 
217 
-396 
-101 
524 
538 
274 
608 
43 
tivation of land 
, Ericsson’s 
169 
404 
398- 
401 
463 
instrument for 
Osmium .... 
2 
communicating 
604 
Overland route, expenses of 
362 
, animal .... 
611 
Paddle-wheels, efficiency of 
42 
, horse .... 
613 
Painted binding .... 
137 
Printing, calico.. 21 — 63 — 103 — 141- 
-243 
Palseontology, Ehrenberg’s new dis- 
press, portable .... 
29 
covery in .... 
458 
apparatus, patent rotary. . . . 
399 
Paper prepared from turf .... 
219 
Prospects for the people of India .... 
177 
Papyrus from Syracuse .... 
127 
Pump, patent, Wood and Quantrille’s 
66 
Parallax, or declination, variations of 
489 
hydro-pneumatic . . .... 
67 
Paris, improvements and embellish- 
, improved suction .... 
144 
ments in .... 
463 
Pyroligneous acid , . .... 
51 
Partridge fight, curious account of a 640 
Paste, preserving .... 468 
Patents, law of, required for India. . 393 
Pearl fishery, .... 299 
Pens, steel, manufacture of, and the 
quill trade .... 401 
People, voluntary instruction of . . . . 238 
Peroxide of iron, separation of ... . 219 
Perpetual motion .... 65 
Persia, dissensions in .... 373 
Perspective made easy 139 — 193 — 241 — 406 
Phoenician history .... 196 
Physical structure of Ireland .. 212 
sciences, age for .... 525 
Physics, Reid on the extension of 
the study df / . . 108 
, purification of .... 
,a newfluid prepared from 
Pyroxilic spirit and its compounds. . . . 
Quadrant, the . . .... 
Quadrupeds, stuffing . . .... 
Quarterly journal of the Medical and 
Physical Society . . .... 
— meeting of the Medical Re- 
tiring Fund . . .... 
Railroad system in America .... 
, Saugor . . .... 
Railroads . . . . .... 
in the United States .... 
Railway transit, quick and cheap 
mode of 
53 
219 
89 
215 
400 
615 
291 
292 
130 
482 
.301 
404 
109 - 
