262 The American Naturalist. [March, 
and Chemical Relations of Petroleum and Natural Gas,” and invited 
Professor S. P. Sadtler to open the subject. Professors S. F. Peckham, 
of Ann Harbor, Mich., C. F. Mabery, of Cleveland, O., and F. C. 
Phillips, of Allegheny City, Pa., presented their views from either the 
geological or chemical standpoint, or both. Profs. Edw. Orton and J. 
P. Lesley were also invited to participate in the discussion. 
Biological Club of the University of Pennsylvania.— 
February 1st Program.—Original communication: “Account of the 
Boston Meeting of the Society of American Naturalists,” Profs. Mac- 
farlane, Conklin and Cope. Demonstration: “A Fossil Micro-fungus 
of the Coal Measures,” Dr. J. M. Macfarlane. Reviews—Psychologi- 
cal, Dr. Lightner Witmer.—H. C. Porter, Seerctary. 
The Ohio State Academy of Science held its winter meeting 
at Columbus, December 29th and 30th. The attendance and papers 
read show that this society is now well past the critical period of 
infancy. The Presidential address, by Professor Albert A. Wright, 
was an argument in favor of State coöperation with the U. S. Geologi- 
cal Survey for the production of a topographic map of Ohio. The pro- 
posal was heartily endorsed by the academy, and a committee appointed 
to take steps toward carrying it out. 
Prof. D. S. Kellicott gave a list of ten fresh-water sponges in Ohio, 
with their localities ; also, additions to his list of the Odonata of the 
State, bringing the number up to 94. 
Additions to the list of Ohio pheenogams, including altogether about 
twenty native and nearly as many introduced species, with new stations 
for other rare species, were given by Edo Claassen, of Cleveland ; A. D. 
Selby, of the Agricultural Experiment Station; W. A. Kellerman, of 
the State University, and E. L. Moseley, of Sandusky. 
“Additions to Ohio Fungi,” by F. L. Stevens, gave as new to the list 
eight genera, eighty-five species, ten new hosts, and thirteen new locali- 
ties. Fungi new to the State list were reported also by A. D. Selby and 
Edo Claasen. 
E. L. Moseley reported a bird new to Ohio, the murre, Uria troile, 
whose occurrence on the Great Lakes has been doubted. Two were 
shot at Put-in-Bay, December 19th, and on the same day two near San- 
dusky. 
_ Lynds Jones gave a detailed account of a grackle-roost on the college 
campus at Oberlin. The old males began coming to the roost at night, 
May 16th, while incubation was in progress; later, the females and 
