39 



The Boston Society of Natural History announces the follow- 

 ing subjects for the Walker Prizes : 



For igo8. i. An experimental study of inheritance in animals 

 or plants. 2. A comparative study of the effects of close-breed- 

 ing and cross-breeding in animals or plants. 3. A study of 

 animal reactions in relation to habit formation. 4. A physiologi- 

 cal study of one (or several) species of plants with respect to leaf 

 variation. 5. Fertilization and related phenomena in a phenog- 

 amous plant. 6. What proportion of a plant's seasonal growth 

 is represented in the winter bud ? 7. A physiographic study of 

 the forms and processes discoverable along a varied shore line. 

 8. A problem in structural geology. 9. A study of one or more 

 geological horizons with a view to determining the different con- 

 ditions obtaining at one time over a large area, as recorded by 

 sediments and fossils. 



For I pop. I. A geographic study of a district of varied fea- 

 tures, presented as involving the natural relations of inorganic and 

 organic elements. 2. A petrographic study of a district of crys- 

 talline rocks. 3. A paragenetic study of a mineral locality. 4. 

 The conditions controlling sexual reproduction in plants. 5. 

 Studies in the life history of a thallophyte, with special refer- 

 ence to sporogenesis. 6. Contribution to our knowledge of re- 

 sponses in plants. 7. The factors governing orientation in animal 

 responses. 8. The relation between primary and secondary sex 

 characters in animals. 9. The activities of the animal body in 

 relation to internal secretions. 



For the best memoir presented a prize of sixty dollars may be 

 awarded ; if, however, the memoir be one of marked merit, the 

 amount may be increased to one hundred dollars, at the discre- 

 tion of the committee. For the next best memoir a prize not 

 exceeding fifty dollars may be awarded. Prizes will not be 

 awarded unless the memoirs presented are of adequate merit. 

 The competition for these prizes is not restricted, but is open to 

 all. Further particulars may be obtained by addressing Glover 

 M. Allen, secretary, Boston Society of Natural History, Boston, 

 Mass. 



The thirteenth annual winter meeting of the Vermont Botani- 

 cal Club was held at the University of Vermont, Burlington, 

 January 17 and 18, 1908. Twenty-two titles appeared on the 

 program and all the sessions were well attended. Among the 

 items of more general interest were the following : Miss Phoebe 

 Towle reported upon observations extending through several 



