894 



SCIENCE. 



[N. S. Vol. III. No. 77. 



Society of America. These excursious will 

 be as follows: 



Stratigraphy and Paleontology : Conductor, 

 Prof. Charles S. Prosser, Union College. 

 The purpose of this excursion will be to 

 examine the several rock formations in 

 western New York, with their characteris- 

 tic fossils. The party will probably gather 

 at Syracuse on Monday, August 17th, where 

 the Salina, Helderberg, Oriskany and Onon- 

 daga strata are well shown. The Genesee 

 ravine at Rochester, the streams entering 

 the Genesee, and the gorge of the Genesee 

 at Mt. Morris, will be especially studied. 



Petrography: Conductors, Prof. James 

 F. Kemp, Columbia University, and Prof. 

 Charles H. Smyth, Jr., Hamilton College. 



The party will meet at Port Henry on 

 Lake Champlain, on Monday, August 

 17th, and spend two or three days under 

 the guidance of Prof. Kemp, in the Lake 

 Champlain valley and the eastern Adiron- 

 dacks, visiting the quarries, iron mines, 

 crystalline limestones, gabbros, anortho- 

 sites, bostonites and camptonites, and inci- 

 dentally the Paleozoic exposures. They 

 will then go by stage through the moun- 

 tains to Lake Placid, where they will pro- 

 ceed bj^ rail to Gouverneur. Prof. Smyth 

 will conduct them to the talc mines, red 

 hematite mines, contacts of gabbro and 

 limestone, gneiss and other rocks of this 

 vicinity. 



Economic Geology : Conductor, Dr. F. J. 

 H. Merrill, State Museum. 



The excursion will meet at Syracuse and 

 Eochester on Monday or Tuesday, and 

 spend the week in a study of the mineral 

 resources of the western part of the State. 

 The subjects of study will be as follows : 

 The salt fields at Syracuse and either Le- 

 Eoy or Warsaw ; the salt mines at Lehigh, 

 Livonia or Retsof; the gypsum mines at 

 Garbutt ; the Medina sandstone quarries at 

 Brockport, Albion or Medina; the ' marble ' 

 quarries at Lockport, the marl beds and 



cement works at "Wayland ; the Avaterlime 

 cement works at Akron or Buffalo. 



Pleistocene Geology. Conductors, Mr. G. 

 K. Gilbert, United States Geological Sur- 

 vey, Mr. Frank Leverett, United States 

 Geological Survey, and Prof. H. L. Fair- 

 child, University of Rochester. 



The area of western New York is an 

 exceptionally interesting field for the study 

 of glacial and glacio-lacustrine phenomena. 

 The party will gather at Eochester on Mon- 

 day, August 17th, and spend two days in 

 that neighborhood in observation of the 

 drumloids, kames and moraines, and the 

 lacustrine phenomena of the glacial lakes 

 Warren and Iroquois. Southwest of Bata- 

 via, Mr. Leverett will take the party over 

 the Warren beaches and their correlating 

 moraines. The study of Niagara gorge 

 and related features will be left until the 

 close of the Association meeting, when Mr. 

 Gilbert will take chai-ge of the party. 



The affiliated societies meeting at Buffalo 

 are as follows : 



The Geological Society of America will hold 

 its eighth summer meeting on Saturday 

 evening, August 22d, at S o'clock, in the 

 Lecture Hall of the Buffalo Society of Nat- 

 ural Sciences, basement of the Library 

 Building. This meeting will be for admin- 

 istrative business and reading of papers by 

 title. The papers will be presented and 

 discussed iu Section E during the following 

 week. Joseph LeConte, Berkeley, Cal., 

 President; H. L. Fairchild, Rochester, N. 

 Y., Secretary. 



The American Mathematical Society will hold 

 its summer meeting in the Lecture Hall of 

 the Society of Natural Sciences, Buffalo, on 

 August 31st and September 1st. F. N. Cole, 

 Columbia Universitj^, New York, Secretary. 



The American Chemical Society will hold its 

 thirteenth general meeting in Bufi'alo, on 

 Friday and Saturday, August 21st and 22d, 

 in room on the first floor of the High 

 School. Dr. Charles B. Dudley Altoona, 



