iv CONTENTS. 
Page 
Report on Observations of Luminous Meteors, 1851-52. By the Rev. 
Bapen Powe tt, M.A., F.R.S., F.R.A.S., F.G.S., Savilian Professor 
of Geometry in the University of Oxford ...........cccecsecenceseceeevecs 178 
On the Influence of the Solar Radiations on the Vital Powers of Plants 
growing under different Atmospheric conditions. By J. H. Guap- 
AMONIEA ENG DD Su coctiocseeccsescceccsee'asia ses cwciesecudessleases adeuet Mee dae @eemeere 
A Manual of Ethnological Inquiry; being a series of questions concern- 
ing the Human Race, prepared by a Sub-committee of the British 
Association for the Advancement of Science, appointed in 1851 (con- 
sisting of Dr. HopGKin and Ricuarp CuLt, Esq.), and adapted for 
the use of travellers and others in studying the Varieties of Man ... 243 
Mean Temperature of the Day and Monthly Fall of Rain at 127 Stations 
under the Bengal Presidency, from official Registers kept by Medical 
Officers, for the year 1851. By Colonel Syxes, F.R.S. ............... 252 
On Experiments on the Laws of the Conduction of Heat. By J. D. 
IDGRBESS cl eS sb Ornin mete seciccsicostteccd cscs chavacsoas ovorcs ast eeoameeee TLOU 
On the Chemical Action of the Solar Radiations. By Roperr Hunt... 262 
On the Composition and GEconomy of the Flax Plant. By Dr. HopcEs, 
F.C.S., Professor of Agriculture, Queen’s College, Belfast, and 
Chemist to the Chemico-Agricultural Society ..........:.sseeeeeeeeeeeee 273 
The Freshwater Fishes of Ulster, as enumerated in the MSS. of the late 
WitiaMm TuHompsoy, Esq.. President of the Belfast Natural History 
and Philosophical Society. Contributed by Rosert PATTERSON, 
Reqs atid’ James: R. GARRETT BsG.: fie. sasncenes seve os onceccs ds exnvasavsaee ee 
Supplementary Report on the Fauna of Ireland. By the late WitL1AM 
Tuompson, Esq., President of the Belfast Natural History and Phi- 
PGsopHiCal HOCLY... c<cecssasstepescameaes Cevmuiens cossebWatsccuasued Menderes 290 
Observations on the pee: | of Birmingham. By WitL1AM WILLs, 
Esq. F.G.S. .. FR RS CEB CR ORE IO oO ee scscase, LT 
On the Vortex-Water-Wheel. By James Tuomson, A.M., Civil En- | 
ginéers’ Belfast; :.cvecssvavsted tt skeet beet 00d 05 Seeds oat le a Slope a 
On the Composition of Foods in relation to Respiration and the Feeding 
of Animals. By J.B. Lawes, Esq., of Rothamsted; and J. H. Gi- 
prs Ph.Ds, BO.9.5..71, Waa Ree elu Wise ds Sa 
