440 



The American Academy of arts and science. 

 Proceedings. New Series. Vol. XVII. 



The Museum of comparative zoology in Cambridge. 

 Annual report of the Curator 1890—91. 

 Bulletin Vol. XVI 10, XXI 2—5, XXII 1-4, XXIII 1. 



The Academy of natural sciences of Philadelphia. 

 Proceedings 1891 1—3. 



The Califoryiia Academ,y of sciences. 

 Proceedings 2:d Series Vol. III 1. 



The Minnesota Academy of natural sciences. 

 Bulletin Vol. III 2. 



The Essex Institute of Salem. 

 Bulletin Vol. XXI 7—12, XXII (1890) 1-12. 

 Charter and Bylaws of the Essex Institute. 



Johns Hopkins University Baltimore. 

 American Journal of Mathematics. Vol. XIII 3, 4, XIV 1. 

 Circulars N:o 89—97. 



The astronomical Observatory of Yale University. 

 Report presented by the Board of Managers for y. 1890—91. 



The royal Society of Canada. 

 Proceedings and Transactions Vol. VIII (1890). 



The Canadian Institute, Toronto. 



Transactions Vol. I 2, II 1. 



Annual report of Sessions 1890—91. 



The Nova Scotian Institute of natural science. 

 Proceedings and Transactions. Vol. VII 4. 



Commissäo geographica e geologica da prov. de S. Paulo. 

 Boletin N:o 4-7. 



