Taylor (R.) on the registration of the periodic 
phenomena of plants and animals, 78. 
Thompson (W.) on the registration of the 
periodic phenomena of plants and ani- 
mals, 78. 
Trevelyan (SirW. C., Bart.) on the registration 
of the periodic phenomena of plants and 
animals, 78. 
INDEX II. 
137 
Water, combination of sulphuric acid with, 67. 
Wingate (Capt. George) on an aérolite which 
fell near Negloor, 35. 
Zinc, on chloride of barium and sulphate of,7 2. 
, acetate of, and sulphate of, 73. 
, nitrate of barytes and sulphate of, 73. 
in nitric acid, solution of, 75. 





INDEX II. 
MISCELLANEOUS COMMUNICATIONS TO THE 
SECTIONS. 

Aci, carbonic, on the decomposition and 
partial solution of minerals, rocks, &c. by 
water charged with, 40. 
Adams (J. C.) on the application of graphical 
methods to the solution of certain astrono- 
mical problems, and in particular to the 
determination of the perturbations of pla- 
nets and comets, 1. 
Africa, on the Gha nation of the Gold coast 
of, 85. 
, on certain additions to the ethnogra- 
phical philology of, 85. 
Agriculture, on meteorology considered chief- 
ly in relation to, 33. 
Agricultural statistics of [reland, 104. 
Algiers, on the vegetable productions of, 71. 
Alison (Prof.) on the application of statistics 

cholera, 86. 
Alleghanies, on the faults in the, 65. 
Allman (Prof.) on the nervous system and 
certain other points in the anatomy of the 
Bryozoa, 71. 
on Lophopus crystallina, 72. 
on a new freshwater Bryozoon, 72. 
- on the reproductive system of Cordylo- 
phora lacustris, 72. 
Allotropic condition of phosphorus, on the, 42. 
_ America, on the present state of electro-tele- 
graphic communication in, 133. 
_ Anemometers, on the result of certain, 25. 




to the investigation and the causes of 
Anemometry, contributions to; the therm- 
anemometer, 28. 
Animalcular source of the phosphorescence 
of the British seas, 81. 
Antenne, of the crustacean and entomoid 
class, on the, and their anatomical relation 
and function, 78. 
Appold (J. G.) ona centrifugal pump, 100. 
Armeria maritima, on the composition of the 
ash of, and remarks on the geographical 
distribution of that plant, 43. 
Astronomical problems, on the application of 
graphical methods to the solution of cer- 
tain, 1. 
Atmosphere, on computing the quantity of va- 
pour contained in a vertical column of the, 
24, 
Atmospheric wave, in Feb. 1849, on a sin- 
gular, 29. ; 
Austen (R. A. C.) on the geology of the 
Channel Islands, 49. 
on some changes in the male flowers of 
forty days’ maize, 68. 
on a series of morphological changes 
observed in Trifolium repens, 68. 


Bakewell (Mr.) on the copying telegraph, 
and other recent improvements in tele- 
graphic communication, 110. 
Ball (R.) on Bryarea scolopendra found in 
Dublin bay by Dr. Corrigan, 72. 
