264 
INDEX. 
Piles, treatment recommended for, 204 
Pilot charts published by U. S. Hydro- 
graphic office, 41 
Plague, symptoms of, treatment recom¬ 
mended for, 185 
Plants, notes on collecting, 98-104 
Plates, photographic, various sizes of, 
52; plates or films, different kinds, 
how to pack and preserve from damp, 
&c., 58 
Platinotype Co., the Key camera made by 
the, 54 
Pleurisy, treatment recommended for, 
170 
Pneumonia, symptoms of, treatment 
recommended for, 171 
Poisoned wounds from snakes, animals, 
arrows, &c., 212 
Poisons, various kinds of, treatment 
recommended in different cases of 
poisoning, 223 
Poultices, remarks on, 248 
Preservation of health and prevention of 
disease, general directions for, 157- 
163 
Preserving mammals, &c., in alcohol, 
hints on, 90 
Pressure of saturated aqueous vapour in 
inches of mercury at latitude 45° for 
each degree Fahrenheit from — 30° to 
119° (Table), 51 
' Prickly heat, treatment for, 192 
Psychrometer, Assmann’s Aspiration, 
description and illustration, 19 
Pulse, normal, 163 
Purulent ophthalmia, symptoms of 
treatment recommended for, 189 
Quinsy, symptoms of, treatment recom¬ 
mended for, 169 
Railway routes, 145 
Rain and dew, 7 
Rainfall, 37 ; charts, reference to, 40. 
chart showing mean annual, 50 
Rain-gauge, description and use of, 23 
Rarity of the air, effect of, on the human 
system at great altitudes, 153 
Record of weather to be kept by traveller, 
12 
Rectilinear and symmetrical lenses for 
cameras, 56 
Relative humidity, table of, 44—50 
Religion and mythology of primitive 
races, 123 
Respiration, normal, 163 
Reptiles and fishes* notes on collecting 
by Mr. Osbert Salvin, f.r.s., 93 
Retention of the urine, treatment for, 
200 
Rheumatism, symptoms of, treatment 
for, 185 
Richthofen, Baron F. von, his remarks 
on desert formations referred to, 76 
Ringworm, treatment for, 196 
Rivers and river plains, remarks on, 
74 
Roads, 145 
Robinson’s “ Pictorial Effect in Photo¬ 
graphy,” 61 
Rocky Mountains, Chinook wind of 
the, 4 
Ropes for mountaineering, where obtain¬ 
able, 152 
Ross and Dallmeyer’s lenses for cameras, 
56 
