1881.] Proceedings of Scientific Societies. 423 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
AMERICAN PHILOSOPHICAL Society, Philadelphia, Oct. 15, 1880. 
—A letter from Dr. Henry Draper announcing the successful 
photographing, in fifty minutes, of the Orion nebula, was read; 
Dr. Barker made some remarks in regard to the discovery. 
Mr. Lesley described a kitchen-trash heap at Saltzburg, Va. 
Nov. 5.—Dr. Horn presented two papers for publication in the 
Proceedings, entitled, “Critical notes on the species of Selen- 
ophorus of the United States,” and “A review of the species of 
Anisodactylus inhabiting the United States.” Mr. Lesley exhib- 
ited some recently executed works of the State Geological Survey. 
ov. 19.—Mr. Lesley exhibited and described three models in 
plaster, 1st. Of the seven mountains in Middle Pennsylvania, sur- 
veyed by Chas. E. Billin; 2d. Of the Stone mountain fault, by 
the same, and 3d. Of a part of the Middle Anthracite Coal field, 
constructed from the first specimen sheet map of the Anthracite 
Survey, by Mr. Chas. A. Ashburner. 
Dec. 3—A communication entitled, “On the Vertebrata of the 
Wind River Eocene bed, of Wyoming, by E. D. Cope,” was read 
by title. Dr. Kénig remarked on two specimens of silver ore 
from near Ouray, in Colorado. 
Dec. 17.—Prof. Cope remarked on the fossils of the Wind 
River Eocene beds, 
Jan. 7, 1881.—A paper on Photodynamics was read by Profes- 
sor Chase. A note on the protection of oil tanks from lightning 
stroke, by B. Howard Rand, and extracts from letters on the dis- 
covery of Permian shells in the Upper Coal measures at Wilkes- 
barre, by Dr. Ingham, were read. A MS. map of the geology of 
parts of Lee, Wise and Scott counties, Va., by J. J. Stevenson, 
Was presented by Mr. Lesley. Mr. Lesley exhibited a map of 
Pennsylvania, showing the progress of the survey since 1874. 
eb. 4.—Professor J. J. Stevenson communicated a paper enti- 
tled, “ The Upper Freeport Coal bed along Laurel ridge, in Pres- 
ton county of West Virginia.” 
Feb. 18, communication was read, entitled “ Certain 
almanacs published in Philadelphia between 1705 and 1744, by 
Henry Phillips, Jr.” 
March 4.—Mr, Lesley read a paper entitled, “Notes on the 
meaning of the word Hebrews, and on Egyptian names of 
Hebrew kings.” 
March 18.—_A paper “ On the Preglacial drainage of the Great 
akes, by Dr. J. W. Spencer,” was read by the secretary. “A 
Scological section at St. Mary’s in Elk county, Pa.,” was ex- 
Plained, and the importance of its consequences noted, by Mr. C. 
A. Ashburner. 
PaILADELPHIA ACADEMY or Natura Sciences, Nov. 9, 1880. 
ihe t. McCook spoke on the habits of Basilica spiders and 
4eir mode of constructing the dome-shaped webs and the cocoon. 
