840 THE AMERICAN NATURALIST. Ẹ{VoL. XXXIII. 
The next lectures on the George William Huntington foundation 
at the Johns Hopkins University will be given by Professor W. C. 
Brégger, of the University of Christiania, in April, 1900. He will 
take for his subject modern deductions regarding the origin of 
igneous rocks. 
Over fifty students attended the Coldspring Harbor Biological 
Laboratory during the summer just past. 
An egg of the great auk, slightly cracked, was recently sold in 
London for 300 guineas. 
Recent appointments: M. Ardaillon, professor of geography at 
Lille. — Carlton R. Ball, assistant in the division of agrostology of 
the United States Department of Agriculture.— Elmer D. Ball, 
assistant entomologist in the Colorado Experiment Station at 
Denver. — Dr. Dante Bertelli, of Pisa, associate professor of anat- 
omy in the University of Padua. — Ernst A. Bessey, assistant in the 
division of vegetable physiology and pathology of the Department 
of Agriculture.—H. Blodgett, assistant botanist and entomologist at 
the Experiment Station at Jamaica, N. Y.— Dr. J. Warwick Brown, 
examiner in zodlogy in the University of Aberdeen. — Dr. O. W. 
Caldwell, professor of botany in the State Normal School at Charles- 
ton, Ill.— Dr. E. Wace Carlier, professor of physiology in Mason 
College, Birmingham, England. — M. Chatin, professor of anatomy 
at Bordeaux. — Judson F. Clark, assistant in botany in Cornell 
University. —J. F. Collins, instructor in botany in Brown University. 
— Dr. G. Davis, assistant professor of applied anatomy in the Uni- 
versity of Pennsylvania. — Dr. M. von Frey, professor of physiology 
in the University of Wiirzburg. — M. Guitel, adjunct professor of 
zoology at Rennes. — Heinrich Hasselbring, assistant in botany in 
Cornell University. — George J. Hastings, assistant in botany in 
Cornell University.— Dr. P. C. Bruno Henneberg, docent for anat- 
omy in the University of Giessen.— Dr. A. J. Herbertson, lecturer 
on physical geography in the University of Oxford. — Dr. W. H. 
Hobbs, professor of mineralogy and petrology in the University of 
Wisconsin. — Dr. A. C. Houston, lecturer in bacteriology in Bedford 
College, London. — Dr. Ida Hyde, assistant professor of zodlogy in 
the University of Kansas. — Dr. A. Jakowatz, demonstrator in the 
botanical museum of the University of Vienna. — Dr. Hermann E. 
Johanssen, assistant in the zodlogical museum of the University at 
- Tomsk, Siberia:— Dr. K. Keissler, assistant in the botanical museum 
of the University of Vienna, — P. Beveridge Kennedy, assistant in 
