1881 .] 
191 
[Annual Reports. 
without better success. In hopes to secure more interest and 
competiton for future prizes, the Committee has proposed sub- 
jects for two years in advance and they have been more widely 
advertised than in previous years. The subject for April, 1882, 
is, The occurrence, microscopic structure, and use of North Amer- 
ican fibre plants, treating especially of the fibres employed by the 
native races ; and that for April, 1883, Original unpublished inves- 
tigations respecting the life history of any animal. 
