448 



SCIENCE. 



[N. S. Vol. I. No. 16. 



by the members. Mr. C. A. Post admitted 

 that his skepticism as to ' star streams ' had 

 been conquered, and argued that ft'om the 

 photograph it seemed more probable that 

 Brooks' comet had run its head against the 

 obstacle rather than its tail, as maintained 

 by Professor Barnard. 



"Wm. Hallock, Sec^y of Section. 



THE TEXAS ACADEMY OF SCIENCE, APRIL 5. 



Brief announcement of my recent discoveries in 

 the mathematics of engineering : Dk. G. B. 

 Halsted. 



The storm-xoater storage system of irrigation: 

 ;ftoBERT A. Thompson. 



Cometary Orbits as related to the solar system : 

 Charles K. McDonald. 



Microscopic exhibition of slides sent by Dr. A. 

 J. Smith on the organism tohich causes ma- 

 larial fever : "W. W. Noeman. 



SCIENTIFIC JOUBNALS. 

 AMERICAN JOURNAL OF MATHEMATICS, APRIL. 



A Method for Calculating Simidtaneously all the 



Roots of an Equation : Emory McClintock. 

 Sur le logarithme de la fonction gamma : Ch. 



Hermite. 

 Sur la pression dans les mileux dieleetriques ou 



magnetiques : P. Dtjhem. 

 On Ternary Substitution- Groups of Finite Order 



which leave a Triangidar unchanged: H. 



Maschke. 



psyche, APRIL. 



A Comparison of Colias hecla ivith Colias 



meadii and Colias elis : Thomas E. Bean. 

 Western Pedicice, Bittacomorphm and Tricho- 



cerce: C. R. Osten Sacken. 

 Failure to emerge of Actias luna : Caroline 



G. SOULE. 

 Entomological Notes. 



journal of geology, feb.-march. 

 Sedimentary Measurement of Cretaceous Time : 



G. K. Gilbert. 

 Use of the Aneroid Barometer in Geological 



Surveying : C. W. Rolfe. 

 A Petrographical Sketch ofjEgina and Methana : 



Part III. Henry S. Washington. 

 On Clinton Conglomerate and Wave Marks in 



Ohio and Kentucky (Concluded}: Aug. F^ 



Foerste. 

 Glacial Studies in Greenland: T. C. Cham- 



berlin. 

 Editorials ; Publications. 



BULLETIN of THE TORREY BOTANICAL CLUB. 

 APRIL. 



Biographical Sketch of Dr. J. Bernard Brinton 

 {with portrait): By a Committee of the 

 Philadelphia Botanical Club. 



Food Plants of the North American Indians: 

 V. Harvard. 



The Classification of the Archegoniates : Lu- 

 ciEN M. Underwood. 



Rules for Citation adopted by the Madison Bo- 

 tanical Congress and Section G., A. A. A. S. 



Proceedings of the Club. 



Index to Recent Literature Relating to Ameri- 

 can Botany 



NEW BOOKS. 



The Story of the Stars. G. F. Chambers. 

 New York, D. Appleton. 1895. Pp. 

 160. 



Evolution and Effort. Edmond Kelly. New 

 York, D. Appleton, & Co. 1885. Pp. 

 vii+297. $1.25. 



A Primer of Evolution. Edward Clodd. 

 New York andLondon,Longmans, Green 

 & Co. 1895. Pp. 186. 



Repetitorumder Chemie. Carl Arnold. 6tli 

 Ed. Hamburg und Leipzig, Leopold 

 Voss. 1894. Pp. X + 613. M. 6. 



Anleitung zur Mikrochemisehen Analyse. H. 

 Beheens. Hamburg und Leipzig, Leo- 

 pold Voss. 1895. Pp. xi + 224. M. 6. 



Bildungselemente und Erziehlicher Wert des 

 Unterrichts in der Chemie. Rudolph 

 Arendo. Hamburg und Leipzig, Leo- 

 pold Voss. 1895. Pp. 103. M. 2. 



Le Petrole. A. Jaccard. Paris, Felix Al- 

 can. 1895. Pp. xii + 292. 



