124 r^roc. B.VF.C, 



U.S.A. — St. Louis — Academy of Sciences. 



Transactions, Vol. X. ; Vol. XI., Parts 6, 7, 8, 9, 10; 

 Vol. XII., Parts 1, 2, 3, 4, 5, 6, 7, 8. 

 Salem — American Association for the Advancement 

 of Science. 

 Proceedings of 49th Meeting, New York, 1900. 

 „ Essex Institute. 

 Bulletin, Vol. XXX., Nos. 1-12. 

 Staten Island Natural Science Association. 



Proceedings, Vol. VIII. ; Special No. 22 and Index. 

 Tufts College, Mass. 



Studies No. 7. 

 Washington — Government Printing Offices. 

 Detached Papers by various Authors (14). 



„ Smithsonian Institution. 



Annual Reports, 1898, 1899. 



„ United States Geological Survey. 



20th Annual Report, Parts 1 2, 3, 4, 5, 6, 7, 6 



continued. 

 21st Annual Report, Parts 2, 3, 4, 5, 7, and Atlas. 

 „ Wisconsin Geological and Natural History Survey. 

 Bulletin, No. 6. 

 Yorkshire Naturalists' Union. 



Transactions, Parts 25, 26. 



