90 Exchanges. 



London — Quarterly Journal of the Royal Microscopic Society. 

 ,, Memoirs of the Royal Astronomical Society. 



,, Quarterly Journal of the Geological Society. 



,, Report of the British Association. 1918. 



LousANNE — Bulletin de la Societe Vaudoise des Sciences 



Naturelles. 

 Massachusetts — Bulletin of the Museum of Comparative 



Zoology. 

 Melbourne — Proceedings of the Royal Society of Victoria, 

 Mexico — Anales del Instituto Geologico dc Mexico. 

 New Haven — Transactions of the Connecticut Academy of Art 



and Sciences. 1917. 

 New Orleans— Sixth Biennial Report of the Board of Curators 



of the Louisiana State Museum. 1917-18. 

 New York — The Geographical Review. Monthly. 

 Nottingham — Annual Reports, Nottingham Naturalists' Society, 



1913-1918. 

 Ohio — Bibliographical Contributions from the Lloyd Library. 



,, The Ohio Journal of Science. 



Ottawa — Memoirs of the Canadian Geological Survey. 



,, Memoirs of the Geological Survey of Canada, De- 



partment of Mines. 

 Philadelphia — Proceedings of the Academy of Natural Sciences 



of Philadelphia. 

 ,, Proceedings of the American Philosophical Society. 



PusA (India) — Scientific Reports of the Agricultural Research 



Institute. 1916-17. 

 Rio de JANEiRO^Report of the National Museum of Brazil. 

 San Francisco — Proceedings of the California Academy of 



Science. 

 Stavanger (Norway; — Report of the Stavanger Museum. 



1917. 

 Stirling — Transactions of the Stirling Natural History and 



Archaeological Society. 1914-1919. 

 St. Louis — Public Library Monthly Bulletin, 



