J 889.] Proceedings of Scientific Societies. 541 
lection of specimens obtained from a deep boring at St. Au- 
gustine, Fla. — Dr. Chapman described the generative organs 
of a female spotted hyena from South Africa. — Mr. Meehan 
spoke of the importance of studying the companionship of 
plants, and announced the discovery of Trientalis americana 
in the vicinity of Philadelphia. June 12, 1888. Dr. McCook 
read a description of Evatypus woodwardii, a fossil spider. 
June 19, 1888. Professor Heilprin discussed the age of Lara- 
mie. June 26, 1888. Dr. McCook gave a resume of a paper 
on the purse weed spiders. — Professor Ryder described the 
eggs of the sturgeon. 
July 3, 1888. Dr. Koenig described some crystals of maga- 
pilite.— Mr. Meehan spoke of the so-called flowers of Hydran- 
gea. July 10, 1888. A communication from Dr. Leidy on the 
fauna of Beach Haven, and on the embryology of Lepas fasci- 
ularis, was read. — The chairman exhibited a fine specimen of 
the snow plant. 
August 7, 1888. Mr. Meehan spoke on the sexes of flowers. 
September 4, 1888. Mr. Meehan and others discussed the 
polarity of the compass plant. 
October 2, 1888. Professor Leidy called attention to the 
claw of a giant sloth found in the drift in Mills County, Ind., 
and exhibited a portion of a human skull having four true mo- 
lars. October 9, 1888. Professor Heilprin made some re- 
marks on the classification of the tertiary deposits. October 
16, 1888. Mr. Redfield called attention to a probable hybrid 
Solanum.— Dr. Morris alluded to the effects of insect bites.— Dr. 
McCook read a paper on Lycosa arenicola. October 23, 1888. 
Professor Heilprin spoke of the physiography of the Bermuda 
Islands. October 30, 1888. Professor Heilprin discussed the 
Bermuda coral reefs. 
November 6, 1888. Professor Heilprin described the fauna 
of Bermuda Islands November 13, 1888. Professor Heil- 
prin continued his remarks on the zoology of Bermudas. No- 
vember 20, 1888. Professor Ryder presented the results of 
his study of the skeleton of living forms.— Dr. McCook de- 
scribed a case of double cocoonizing in Argiope riparia.—Dx. 
Rushenberger read a biographical notice of the late George W. 
Tryon. — Dr. Leidy read a communication on the zoology of 
Beach Haven. 
December 4, 1888. Dr. Morris and others discussed the 
color of glass due to exposure to heat and air.— Mr. Ives de- 
