1 8 MARINE BIOLOGICAL LABORATORY. 



monographs 26~35a, 1901-1923; Folia Neurobiologica, 2 and 3- 

 12, 1909-17 (volume I, 1908, still lacking); Harvey Lectures, 1-16, 

 1905-1922; Journal de physiologie et de pathologic generale, 1-15; 

 17 (volumes 16 and 18 still lacking); Journal of immunology, 

 volumes 1-8; Journal of Physical Chemistry, volumes 1-24; 

 Journal of the American Chemical Society, 32-42, 1910-1920; 

 Journal of the Chemical Society (London), volumes 45-124, 1884- 

 1923; Nuova Notarisia, volumes 1-28, 1890-1918; Physical 

 Review, I series 2, 16, 1893-1920; Proceedings of the Academy of 

 Natural Sciences of Philadelphia, 41 volumes scattered thoughout 

 the set; Proceedings of the Royal Society of London, 45-75, 1890- 

 1905; Psychobiology, 1-2; Quarterly Cumulative Index of Current 

 Medical Literature, I and 5-9 (2-4 still lacking) ; Quarterly Journal 

 of Microscopical Science, volumes 18 and 19; Revue generale 

 d'histologie, 1-3, 1904-1911; Science Abstracts, 1-26, 1898-1923; 

 Zeitschrift fur physikalische Chemie, 1-104, 1887-1923; Zentral- 

 blatt fur Zoologie, Allgemeine und experimented Biologie, 1-6, 

 1912-1918. Many odd volumes besides these have been secured 

 and paid under this sum above mentioned. 



Through exchange of back sets for the Biological Bulletin, these 

 sets have been secured in 1924: Annales scientifiques de I'Uni- 

 versitede Jassey, 112, 1900-1923; Anmiairedu museum zoologique 

 de I 1 Academic Imperial des Sciences de la Russie, 9-13, 1914-20; 

 Archives internationales de pharmacodynamie, volumes 1-29; 

 Bulletin de la classe des sciences, l } Academic royale de Belgique, 

 series 5, volumes 5-9, 1919-23; Fauna of Russia, volumes 1914- 

 19; Monitor e zoologico italiano, 1907-1924; Nouvelles archives du 

 Museum d'Histoire Naturelle, Paris, series 2, I series 5, 6, 1878- 

 1914; Nyt magazin fur Naturvidenskaberne grumdlagt au den 

 physio graphiske Forening, Christiania, volumes 46-60, 1909-1923; 

 Ofversigt of Finska Venteskaps-Societetens; Forhandlingar, volumes 

 45-64; Osterreichische botanische Zeitschrift, volumes 71-74, 1922- 

 24; through exchange of duplicates of the Museum of Compara- 

 tive Zoology publications and of the Boston Society of Natural 

 History publications, the Library has, this year, also, filled in 

 nearly all the bad gaps that existed, so that these sets are now 

 practically complete. 



The more important year's purchases of books and sets of 

 reference works as regarded from the view-point of cost, are as 



