476 The American Naturalist. [May, 
this lecture, ideal landscapes and curious animals of prehistoric 
ages was shown by the stereopticon. April 2: A. W. Hitt, M. D. 
“ Leprosy, its Causes and Prevalence.” Illustrated with stereopticon. 
- This lecture was a popular talk upon this little known subject. April 
9. Frank Collins Baker, B. S. ‘‘ Types of Animals.” This lecture 
was a repetition by request, with some modifications, of the lecture 
given in February on the Evolution of Animals. The school children 
were particularly invited, as it was intended more for their instruction, 
than for the older members of the audience. April 16. H. H. Brown, 
M. D., Professor of Didactic and re Ophthalmology, Illinois Med- 
ical College. “ The Eye.” 
The Biological Society of Washington.—The 274th regular 
meeting was held on Saturday evening, March 27, 1897, in the Assem- 
bly Hall of the Cosmos Club, after Brief Informal Notes and Exhibi- 
tion of Specimens, the following communications were read: M. B. 
Waite, “ Factors Governing Pear Blight”; Theo. Holm, “ The Grass 
Embryo and its Constituents”; E. A. De Schweinitz, “ Some Methods 
of Generating Formaldehyde aed its use as a Disinfociant. —FREDERIC 
A. Lucas, Secretary. 
Anthropological Society of Washington.—The 263d Regular 
Meeting of the Society was held in the Assembly Hall of the Cosmos 
Club, on Tuesday, April 20. “Scopelism,” Dr. Robert Fletcher ; 
“ Unusual Frequency of Wormian Bones in the Coronal Suture of 
Artifically Deformed Kwakiutl Crania,” Mr. George A. Dorsey ; 
“‘ Measurements and Indices of the Long Bones of the Kwakiutl and 
Salish Indians,” Mr. George A. Dorsey —Wesron Fuint, Secretary 
Board of Managers. 
N. S. I. S.—The Ordinary Monthly Meeting of the Nova Scotian 
Institute of Sciences were held in the Legislative Council Chamber, 
Province Building, Halifax, on Monday, the 12th of April. The fol- 
lowing papers were read: “ A Note on our Calcareous Algæ,” by A. H. 
MacKay, Esq., LL. D., F. S. Sc., F. R. S. C. Superintendent of Educa- 
tion; “Zoological Notes,” by Harry Piers, Esq Harry PIERS, 
Secretary. 
The Association of American Anatomists.—March 30, 1897- 
—The next meeting of this Association will be held in Washington city 
in connection with the Congress of American Physicans and Surgeons, 
Tuesday to Thursday, May 4 to 6, 1897. 
The meetings of the Congress will be held in the Columbia Theater, 
corner of Twelfth and F Streets, N. W., from 2 to5 P. M. daily. Those 
