TABLE OF CONTENTS. 51 



Kstimation of Phosphoric Acid, H, B. Battle S3 



Bituminous Coals of Xorth Carolina and Tennessee, H. B. Battle 51 



Determination of Phosphoric Acid, H. B. Battle 54 



Determination of Moisture in Fertilizers. H. B. Battle 54 



On the Neutrality of Standard Ammonium Citrate Solutions, 



H. B. Battle 58 



Octj^lbenzol. E. A. de Schweinitz 60 



The Cig-arette Beetle, G. F, Atkinson 68 



Notes on the Orchard Scol^'tus, G. F. Atkinson 74 



Wilming-ton Flora, T. F. Wood and Gerald McCartliy 77 



Notes: Thermon:eter for Class Illustration, F. P. V^nable. . . . 142 



Sugar Beets from Kentuck3\ Jas. Lewis Howe 143 



Lithog-raphic Stone from Tennessee. J. Lewis Hovre. . 144 



Cyclones, B, F. Grady 145 



VOIvUME FOUR— PART FIRST (1887'. 



-Reports of Officers 4-12 



Sketch and Bibliog-raphy of N. M. Hentz. G. F. Atkinson 13 



A New Trap-door Spider, G. F. Atkinson 16 



A Family of Young- Trap-door Spiders. G. F, Atkinson 26 



Some New Salts of Camphoric Acid. I, H. Manning 52 



Decomposition of Potassium C3'anide, I. H. ^Manning- 54 



L/cad Chlorc-sulpho-C3'anide. R. G. Grissom 55 



Solubility of Alumina in Sulphuric Acid, R. G. Grissom 56 



Analysis of Water from Durham Artesian Well, F, H. Venable 58 



The Fertilizer Trade in North Carolina in 1886, W. B. Phillips 58 



VOLUME FOUR — ^PART SECOND ! 1887 i. 



Biog-raphy of W. C. Kerr, J. A. Holmes 1 



The Study of Local Floras, Gerald McCarthy 25 



The Limits of the Senses, F. P. Venable 31 



The Elements Historically- Considered. F. P. Venable 36 



Effects of Decomposing Organic Matter on Insoluble Phos- 

 phate of Lime, F. B. Danc^' 41 



Preliminary Catalogue of Birds of N. C, G. F. Atkinson 44 



^Sing-ular Adaptation in Nest-making- b^- an Ant. G. F. Atkinson 88 

 Remarkable Case of Phosphorescence in an Earthworm, G. F. 



Atkinson 89 



Observations on the Female Form of Pheng-odes Laticollis 



Horn, G. F. Atkinson 92 



Analysis of N. C. Wines, F. P. Venable and W. B. Phillips 96 



Action of Chlorous Acid upon Heptylen, R. G. Grissom 99 



A New Form of of Bunsen Burner, F. P. Venable 103 



A New Test for Iron, F. P. Venable 105 



-"Electrolysis of water, F. P. Venable 105 



