TABLE OF CONTENTS. 



• PAGE. 



North Carolina Deem ids — A preliminary list. \V. L. Potent 1 



On the Bromination of Heptane. F. P. Tenable 5 



Some New Salts of Camphoric Acid. G. W. Edwards 8 



New Halogen Compounds of Lead. F. P. Venable and B. Thorp 10 



On the Chord Common to a Parabola and the Circle of Curvature at any 



Point. R. H. Graves 14 



The Focal Chord of a Parabola. R. H. Graves.. 15 



List of Fishes with Description of a New Species. V. S. Bryant 16 



List of Butterflies collected at Chapel Hill, N. C. A. Braswell 19 



Aquatic Respiration in the Musk-rat. W. L. Spoon 21 



Changes in Bottled Samples of Acid Phosphate with Constant Percentage 



of Water and Ordinary Temperature. W.B.Phillips 22 



New Instances of Protective Resemblance in Spiders. G. F. Atkinson.... 28 

 Note on the Tube-inhabiting Spider, Lycosa Fatifera, Hentz. G. 1". 



Atkinson 30 



Temperature and Rain-fall at Various Stations in North Carolina. J. A. 



Holmes 31 



Reports of Officers -\> 



List of Members 4f> 



List of Exchanges 50 



