Bidragen, Natuurkundig Genootschap te Groningen, Groningen, 

 Holland. 



Deel 2, Parts 1-3 (1902-7.) 

 Bihane till K. Svenska-Akademiens Handlingar, Stockholm, Sweden. 



Vol. 1 (1872) to Vol. 28 (1903). 



Bildra^eu tot de Natuurkundige Wetenschappen, Amsterdam, Holland 

 Vol. 1 (1S2G) to Vol. 7 (1832). 



Billotia, ou Notes de Botanique, Besancon, France. 

 Vol. 1 (1864). 



Biltmore Botanical Studies, Biltmore, N. C. 

 Vol. 1, Nos. 1 and 2 (1902). 



Biological Society of Washington; see — Proceedings. 



Biologisches Centralblatt, Leipzig, Germany. 



Birds and Nature, Chicago, 111. 



Vol. 1 (1896) to Vol. 16 (1904) 



Vol. 1 (1381) to date. 



Tature, Chicago, 111. 



Vol. 1 (1896) to Vol. x„ V----.- ^, „ ,,„^r,N 

 New series, Vol. 1 (1905) to Vol. 5, No. 3 (1907). 



(Succeeded by Birds & Nature Magazine, of which we have Vol. 1, x^o. ^ 

 1907.) 



Blue Bird, Cincinnati, Ohio. 



Vol. 1 (1910) to date, except Vol, 1, Nos. 1 and 5. 



(Title of Vol. 1 to Vol. 6, No. 1, was "Nature and Culture. ) 



Boeren (De) Goudmijn, Deventer, Holland. 



Vol. 1 (18.5.5) to Vol. 9 (1863). ... 



(Also bears title — Tidjdschrift voor den Nederlandsclien Landbouw in zijn 

 geheelen omvang.) 



Boletim de 2nd Classe, Academia das Sciencias de Lisboa, Lisbon, 

 Portugal. 



Second Series, Vol. 1 (1898-1902) to date. 



Boletim de Agricultura, Estado da Bahia, Bahia, Brazil. 



Vol. 18, No. 1 (1911) to date. 



Boletim Bibliografico, Academia das Sciencias de Lisboa, Lisboa, 

 Portugal. 



Series 2, Vol. 1 (1912) to date. 



Boletim do Departmento Estadual do Trabalho, Sao Paulo, Brazil. 



Anno 11, No. 6 (1913) to date. 



Boletim do Instituto Agronomico, Campinas, Brazil. 



First series, 1908 to date. 



(An earlier publication bore the same title.) 



Boletim, Museu Paraense de Historia Natural e Ethnographie 

 (Museu Goeldi), Para, Brazil. 



Vol. 1 (1894-6) to date. 



Boletim, Sociedad Nacional de Agricultura, San Jose, Costa Rica. 



Ano 1 (1907) to Ano 4, x\o. 24, except Ano 1-2, 



Boletin, Academia Nacional de Ciencias en Cordoba, Argentina. 

 Vols. 6 to 18 broken. 



Boletin da Agricultura, Sao Paulo, Brazil. 



Sixth series (1905) to date. 



Boletin, Instituto Fisico-Geografico, San Jose, Costa Rica. 



Nos. 1 (1901) to 36. 



Boletin, Ministerio de Agricultura, Buenos Aires, Argentine Re- 

 public. 



Vol. 1 (1904) to date, except Vol. 9 after No. 6, Vol. 10 and Vol. 11, Nos. 

 1 to 6. 



Boletin del Museo Nacional de Arqueologia, Historia y Etnologia, 

 Mexico, Mexico. 



Vol. 1 (1911-12). 



14 



