380 THE CANADIAN NATURALIST. [Vol. X. 



H. Carrington Bolton : Application of organic acids to the exam- 

 ination of minerals : Note on the absorption spectrum of hiimic 

 acid. 



C. F. Mabery and Ralph Wilson : The action of basic hydrate on 

 chlortribrompropionic acids : On certain substituted acrylic and pro- 

 pionic acids. 



Chas. W. Dabney, Jr. : Notes on effects of difterent soils upon sol- 

 uble phosphates ; Some derivatives of isopicraminic acid ; A benzoyl 

 anhydro acid trom B-metamidosalicylic. 



C. F. Mabery : On the products of the distillation of wood at low 

 temperatures. 



C. C. Caldwell : Pemberton's Method for the volumetric determin- 

 ation of phosphoric acid. 



Harvey W. Wiley and C. A. Crompton : Estimation of dextrine in 

 solid commercial starch sugar by loss of rotatory power on solution. 



Arthur H. Elliott and Fred. Sands : Notes on Bone Oil. 



R. B. Warder : Observations on the contamination of City Wells. 



Ernest H. Cook : Carbon dioxide in the Atmosphere ; A simple 

 laboratory appliance. 



Arthur H. Elliott : On Nitro-saccharose. 



Paper from several Agricultural Chemists on the estimation of re- 

 verted phosphoric acid. 



Harvey W. Wiley : Direct estimation of dextrose, dextrine and 

 maltose in commercial amylose (sugar starch). 



J. B, Lawes and J. H. Gilbert : Determinations of nitrogen in the 

 soils of some of the experimental fields at Rothamsted, and the bear- 

 ing of the results on the question of the sources of the nitrogen of 

 our crops. 



J. SzABo : On a ucav micro- chemical method of determining the 

 feldspars in rocks. 



J. KiTSEE : Fire-damp indicator. 



C. G. Wheeler and F. Menzel : Transmission of gases through 

 liquids of different densities. 



Henry Carmichael : The solution and late crystallization of gold 

 heated with chlorohydric acid in a sealed tube. 



William Dudley : Remarks on the application of the Iridium 

 knife-edge to analytical balances. 



Wm H. Ellis : Some Tea analyses. 



L. W. AxDREAvs : On the constitution of Benzole. 



GEOLOGY AND GEOGRAPHY. 



James Hall : On the relations of Dictyophyton, Phragmodictyum 

 and similar forms with Uphantcenia ; Note upon the genus Plumulites. 



Edward Orton : A Source of the bituminous matter in the Ohio 

 Black Shale (Huron Shale of Newberry) ; Suggestions as to the 

 History of the Lower Coal-measures of Ohio. 



Richard Owen : Contribution to Seismology. 



