VI CONTENTS. 



Page 

 XII. On the Blastodermic Vesicle of Sus Scrofa Domesticus. By 



A. W. Weysse 283 



XIII. On Ternary Mixtures. First Paper. By "Wilder D. 



Bancroft 324 



XIV. A Revision of the Atomic Weight of Strontium. First 



Paper: The Analysis of Strontic Bromide. By Theo- 

 dore William Richards 369 



XV. On the Electrical Resistances of certain Poor Conductoi's. 



By B. O. Peirce 390 



XVI. Variability in the Spores of Uredo Polypodii {Pers.) DC. 



By B. M. Duggar 396 



XVII. Trinitrophenylmalonic Ester. By C. Loring Jackson 



AND C. A. SocH 401 



XVIII. Action of Sodic Alcoholates on Chloranil. Acetals derived 

 from Substituted Quinones. By C. Loring Jackson 

 AND H. S. Grindley 409 



XIX. On the Cupriammonium Double Salts. Second Paper. By 

 Theodore William Richards and Andrew Hen- 

 derson Whitridge 458 



XX. Notes on Laboulbeniacece, ivith Descriptions of Neio Species. 



By Roland Thaxter 467 



XXI. Experiments and Observations on the Summer Ventilation and 



Cooling of Hospitals. By Morrill Wyman . . . . 482 



XXII. Experiments on the Relation of Hysteresis to Temperature. 



By Frank A. Laws and Henry E. Warren . . 490 



Proceedings 503 



Biographical Notices : — 



Josiah Parsons Cooke 513 



Oliver Wendell Holmes 555 



Edward Jackson Lowell 562 



