54 TABLE OF CONTENTS. 



VOLUME NINE — PART FIRST (1892). 



On the Fundamental Principles of the Differential Calculus, 



Wm. Cain S 



Remarks on the General Morpholog-y of Sponyes, H. V. Wilson 31 



VOI.UME NINE — PART SECOND (1892). 



statistics of the Mineral Products of N. C, 1892, H. B. Nitze. . 55 

 Additions to the Breeding- Avifauna in N. C, J. W. P. Smith- 

 wick 61 



An Example of River Adjustment, Baskerville and Mitchell.. 64 



Character and Distribution of Road Materials, J. A. Holmes. . 66 



To Set Slope Stakes on Steep but Uniform Slope, J. M. Bandy 82 

 On the Development of a Supposed New Method of Reproduc- 

 duction in the Sub-animalcule, Actinosperium Bichornii, 



J. M. Stedman 83 



Some Fung-i of Blowing Rock, N. C, Atkinson and Schrenk. . 95 



VOI^UME TEN — PART FIRST (1893). 



Notes on the Forest Resources of N. C, W. W. Ashe 5 



Deflective Effect of Earth's Rotation Shown in Streams, Col- 

 lier Cobb 26 



The Stone Arch, Wm. Cain 32 



VOLUME TEN — PART SECOND (1893). 

 A Comparison of the Methods for the Separation and Estima- 

 tion of Zirconium, Charles Baskerville 45 



Primitive Streak and Blastopore of the Bird Embryo, H. V. 



Wilson 69 



Additions to the Erysipheae of Alabama, G. F. Atkinson 74 



Some Septoriae from Alabama, G. F, Atkinson 76 



Additional Note on the Fung"i of Blowing- Rock, G. F. Atkinson 78 



An Examination of the Chlorides of Zirconium, F. P. Venable 79 



Attempt at Forming- Ethyl Glucoside, J. R. Harris 87 



Geological History of Certain Topographical features East of 



the Blue Ridge, Collier Cobb 94 



Do Snakes Charm Birds? Collier Cobb 98 



VOLUME ELEVEN — PART FIRST (1894). 

 The Long Leaf Pine and its Struggle for Existence, W. W, 



Ashe 1 



Nitrification, J. R. Harris 16 



The Exhaustion of the Coal Supply, F. P. Venable 25 



Sulphur from Pyrite in Nature's Laboratory, Collier Cobb.... 30 



