NATIONAL ACADEMY <>!•' SCIENCES. 



Account of a remarkable difference between the rays of incandescent lime 

 and those emitted by an electric Bpark. PhiL Mag., III, xxvii, 486-487, 

 December, 1846. 



1846. 



On the cause of the circulation of the blood. Phil. Mag., Ill, wviii, 

 178-189, March, 1846; Am .1. Sei., II, ii,276 279, September, 1846. [Fro- 

 riep Notuen, II, xxxvii, 28V)-li'.-*;. 806-811.) 



1847. 



Remarks on tin' existence and mechanism of the protecting or negative 

 pays of the sun. Phtl. Mag., Ill, kxx, 87-98, February, 1847. [Biblio- 

 theque Unwerselle, v, 6-14, 1847; •/. de VI, m-,,,., \ii. 162-164, 1847.) 



Singular property of gun-cotton mixture. Phil. Mag., Ill, xxx, 299, 



April, 1847. 



On the production of light by heat. PhiL M<i</., Ill, \ \ \. ■', 1". 860, May, 

 1847; Am. ./. Sri., II, iv, 888-402, November, 1847. {Froriep Notuen, III. 

 iv, 97-102, 118-119, 1847.) 



1848. 



On the production of light by chemical action. Phil. Mag., Ill, xxxii, 

 100-114, February, IMS; An,. ./. Set., II, v, 169-172, March, IMS. [Fro- 

 riep Notuen, III, vii, 17-24, :;;i-;;7, 1848.) 



1849. 

 ()n tin' existence ami effects of allotropism in the constituent elements ot 

 living beings. Phil. Mag., Ill, xxxiv, 211 246, April, 1849. 



1851. 



On the phosphorescence of bodies. Phil. May., IV, i, 84-100, February, 

 ls:,i. 



On the chemical action of light Phil. Mag., IV, i, 868-393, May, 1861. 

 (./. ,/, Pharm., xx, 268 268, 1861.) 



1862. 

 On respiration. Am. ./. M,,l. s,-i.. II, \\iii, :;| l :;•_'(>, .January, 1862. 



is.".:;. 



On a new method for the determination of urea. Phil. Mag., IV, vi, 290 

 :.".»•_', October, 1868. 



IKo 7. 



On the diffraction spectrum. Phil. Mag., IV, \iii, 168 166, March, 1867. 



On the measurement of the chemical action of light. Phil. Mag., IV , 

 \iv, 161-164, September, 1867. (■/. /'/,../. *<><•., iv, ::i :;<;. 1868.) 



On the influence of light upon chlorine and some remarks on alchemy. 

 Phil. M'Kj., IV, xiv, 821, November, is.-,?. 



1868. 



On tin' nature of Same and >>n th indilion of the sun's surface. Phil. 



Mag., IV, w, 90 88, February, 1866; Am. ./. ScL, II, xxvl, -_'r„s 271, Sep- 

 tember, 1868. 



