38a PHYSIS (V, 1922) 



Phosphoras in batter. J. T. Gusicbl. Gornell Uníversity Agricultural experi- 

 menl station. Memoir 3o. April, [920. Ithaca, New York. 



Proceedings of the Academy of Vatural Sciences of Philadelphia. \ol. LXXII, 

 Part I. Jannuary-April [920. Part II, May-October £920. Philadelphia, 1920. 



Proceedings of the American Philosophical Society. Yol. LIY, n° 3-(¡. Phila- 

 delphi|t, 1920. 



Reports upon tivo collections of Mosses from British East África (With two 

 Plantes), by H. N. Dixon, M. A., F. L. S. Smintbsonian miscellaneous col- 

 lections. Yol. -■>., n" 3. Washington, September 1, 1920. 



S minthsonian physical tables. Seventh revised edition. Prepared by Frede- 

 kick. E. Fowle. Smintbsonian miscellaneous collections. Yol. -r, 11° 1. Was- 

 hington, [920. 



The American Journal o f Science. Vol. I, n° 2-4. Vol. II, n° 7, 10-12. Yol. 

 III, n° 8. New Haven, Connecticnt, 1921. 



The apple maggot inXeiu York. Glem W. Heiuuck. Gornell Üniversity Agri- 

 cultural experiment station. Bulletin Z102. March, 1920. Itbaca, New York. 



The carbón dioxide of the soil air. H. W. Tuupin. Carnell üniversity Agri- 

 cultural experiment station. Memoir 32. April, 1920. Itbaca, New York. 



The John Crerar Library. Twenty-sixth annual report for the year 1920. 

 Chicago, I921. 



The lecithon contení of butter and its possible relationship to the fahy flavor. 

 George Cornell Supplee. Cornell Üniversity Agricultural experiment station. 

 Memoir 29. November, 19 19. Ithaca, New York. 



The ribbed pine-borer. Waltek N. Hess. Cornell Üniversity Agricultural 

 experiment station. Memoir 33. May, 1920. Ithaca. New York. 



FRANCIA 



Association francaise pour l'avancement des sciences. Informations et docu- 

 ments divers. Bulletin n° 4Q-5 1 (Nouvelle serie). Paris, 1921. 



Bulletin de l'Amérique latine. Dixiéme Année, n° 3 et 4 ; 5 et 6 ; 7 et 8 ; 

 9-10. 



Comptes rendus des séances de V Academie des Sciences. Tome 172, n" 1-25. 

 Tome 173, n° 1-9, 12-14, 16, 17, 21-2G. Paris, 1921. 



Journal de la Société des América/listes de Paris. Nouvelle serie. Tome XIII, 

 Fase. I. 192 r. 



Tables de Comptes rendus des séances de l' Academie des Sciences. Premier se- 

 mestre 191 9. Tome t68. 



INGLATERRA 



Bulletin of miscellaneous information. Royal Bptanic Gardens, Kew 1920. 

 London, 1920. 



