15. On the Root of a Monogenic Function Inside a Closed Contour along which the 



Modulus is Constant. By William H. Echols. Vol. I, No. 15. Price. $0.25. 



16. Normal Faulting in the Cambrian of Northern Piedmont, Virginia. By Thomas 



L. Watson and Justus H. Cline. Vol. I, No. 16. Price $0.25. 



17. Drainage Changes in the Shenandoah Valley Region of Virginia. By Thomas L. 



Watson and Justus H. Cline. Vol. I, No. 17. Price $0.50. 



18. The Association of Vanadium with Petroleum and Asphalt. By R. M. Bird and 



W. S. Calcott. Price $0.25. 



HUMANISTIC SECTION 



1. The Sacred Tripudium. By Thomas Fitz-Hugh. Vol. I, pp. 1-50. Price $0.75. 



2. Keller's der Griine Heinrich: Anna and Judith and their Predecessors in Rous- 



seau's Confessions. By W. H. Faulkner. Vol. I, No. 2. Price $0.25. 



