TABLE OF CONTEXTS. 53 

 VOLUME SEVEN — PART FIRST (1890j 



Determination of Available Phosphoric Acid in Fertilizers Con- 

 taining- Cotton Seed Meal, F. B. Danc3' 5 



Distribution of Boracic Acid among- Plants. J. S. Callison. ... 14 

 Boracic Acid as an impurity in Caustic Alkalies. Callison and 



Venable 21 



The Determination of Crude Fiber. W. A. Withers 22 



Modifications of the Method of Determining- Crude Fiber. W. 



A. Withers 25 



Three Xew Masses of Meteoric Iron. Geo. F. Kunz 27 



Two New Meteoric Irons, F. P. Venable 31 



A List and Description of the Meteorites of N. C. F. P. Venable 33 



New and Improved Methods of Analysis. S. J. Hinsdale 52 



VOLUME SEVEN — PART SECOND (1890). 



Some Erysipheae from Carolina and Alabama, G. F, Atkinson 61 



The Proper Standard for the Atomic Weig-hts. F. P. Venable. . 75 



The Action of Phosphorus on Metallic Salts. Gaston Battle. .. . 80 



Lead Chloro-bromides. F. P. Venable 83 



Lead Bromo-nitrates, H. L. Miller 84 



Adulterated Spirits of Turpentine, S. J. Hinsdale 86 



Mineralog-ical, &c. Survey of South Carolina, J. A.Holmes.. 89 



VOLUME EIGHT — PART FIRST (1891). 



Demonstration of the Method of Least Work. Wm. Cain 5 



Additions to the Avifauna of North Carolina, J. W. P. Smith- 

 wick *. 16 



The Alexander Co. Meteorite, S. C. H. Bailey 17 



Treatment of Zircons in Preparing^ Zirconium Oxychloride. F. 



P. Venable 20 



Quantitative Analysis of Zircon. J. M. Morehead 24 



VOLUME EIGHT— PART SECOND (1891). 



Some Cercosporae from Alabama, G. F. Atkinson 33 



A North Carolina Blomary Forg-e. H. L. Harris 67 



Notes on the Fertility of Physa Heterotropha Say, W. L. Poteat 70 



Occurrence of Zirconium. F. P. Venable 74 



Mag-netic Iron Ores of Ashe Co., N. C, H. B. C. Nitze 78 



Notes on the Development of Some Spong-es. H. V. Wilson. ... 66 



The Transition Curve, Wm. Cain 105 



The Occurrence of Platinum in X. Carolina. F. P. Venable. . . 123 



