128 
Dove (Prof. H. W), remarks by, on his re- 
cently constructed maps of the monthly 
isothermal lines of the globe, and on some 
of the principal conclusions in regard to 
climatology deducible from them: with an 
introductory notice by Lieut.-Col. Sabine, 
85. 
Earthquakes, postponement of the report on 
the facts of, 98. 
Ely (the Dean of) on the expediency of con- 
tinuing the Toronto magnetical aud me- 
teorological observatory until Dec. 1850, 
99. 
Engines, on water-pressure, 11. 
Erman (Adolphe), second report on the 
Gaussian constants, 98. 
Ferns, on the influence of carbonic acid on 
the growth of, 97. 
Gaseous escape from the blast furnaces at the 
Ystalyfera iron-works, on the advantageous 
use made of the, 75. 
Gaussian constants, second report on the, 98. 
Geneva, barometric readings at, table of, 
Noy. 1 to 26, 1842, 37. 
Globe, on the monthly isothermal lines of 
the, 85. 
Glynn (Joseph) on water-pressure engines, 11. 
Henslow (Prof.), eighth report on the growth 
and vitality of seeds, 31. 
Hunt (Robert), report of progress in the in- 
vestigation of the action of carbonic acid 
on the growth of plants allied to those of 
the coal formations, 84, 
Tron works, on the advantageous use made of 
INDEX I. 
Meteors, details referred to in the catalogue 
of, from the original records of observations 
of luminous, communicated to Professor 
Powell by the authors, 5. 
— seen by Mr. E. J. Lowe, copied from 
treatise on atmospheric phenomena, 6. 
not hitherto recorded in meteorologi- 
cal reports, 8. 
Phillips (John), notice of further progress in 
anemometrical researches, 97. 
Plants allied to those of the coal formations, 
on the action of carbonic acid on the 
growth of, 84. 
Potash, rubiacate of, 66. 
Powell (Rev. Prof.), catalogue of obser- 
vations of luminous meteors, 1. 
Pyro-alizaric acid, 66; analysis of, id. 
Resin, alpha, 67. 
, beta, 68. 
Rubiacate of potash, 66; analysis of, id. 
Rubiacic acid, 66; analysis of, id. 
Rubian, 68. 
Sabine (Lieut.-Col.), introductory notice to 
Prof. Dove’s remarks on the monthly iso- 
thermal lines of the globe, 85. 
onthe expediency of continuing the To- 
ronto magnetical and meteorological ob- 
servatory until Dec. 1850, 99. 
Schafhaeutl (Dr.), analysis of gas escaping 
from the Ystalyfera anthracite furnaces, 81. 
Schunck (Edward) on colouring matters, 57. 
Seeds, eighth report on the growth and vi- 
tality of, 31. 
——, list of the natural families and genera 
possessed by the Committee and expe- 
rimented with, 31. 
the gaseous escape from the blast furnaces 
at the Ystalyfera, 75. 
Isothermal lines of the globe, on the month- 
ly, 85. 
Lindley (Prof.), eighth report on the growth 
and vitality of seeds, 31. 
Lloyd (Rev. Dr.) on the expediency of con- 
tinuing the Toronto magnetical and me- 
teorological observatory until Dec. 1850, 
99. 
Lougan, barometric readings at, table of, 
Nov. 1 to 26, 1842, 37. 
Lowe (Edward Joseph), meteors seen by, 6. 
Recane meteors, catalogue of observations 
of, 3. 
Magnetical and meteorological observatory 
at Toronto, on the expediency of conti- 
nuing the, until Dec. 1850, 99. 
Mallet’s (Robert) letter to the Assistant- 
General Secretary, postponement of the 
report on the facts of earthquakes, 98. 
—— on the construction of a self-registering 
seismometer, 98. 
Seismometer, on the construction of a self- 
registering, 98. 
Smith (Robert Angus) on the air and water 
of towns, 16. 
Strickland (H. E.), eighth report on the 
growth and vitality of seeds, 31. 
Temperature tables, supplement to the, 
printed in the Report for 1847, 84. 
Toronto magnetical and meteorological ob- 
servatory, on the expediency of continuing 
the, until Dec. 1850, 99. 
Towns, on the air and water of, 16. 
Water of towns, on the, 16. 
Water-pressure engines, on, 11. 
Waves, on atmospheric, 35. 
, table of distribution of crests and 
troughs on Nov. 7, 1842, 45. 
, area of greatest pressure, Nov. 8, 1842, 
, epochs of the transit of wave-crest, 
No. 4, Nov. 1842, 47. 
——, epochs of transit of the crest of the 
great symmetrical wave of November, from 
1841 to 1845 inclusive, at the Royal Ob- 
Meteors, catalogue of observations of lu- | 
minous, I, 3. 
servatory, Greenwich, 50. 
