600 Hans Schinz. 



Lancaster. American Matbematical Society, Bulletin 2. series, vol. XI, 



No. 3—10; XII, Xo. 1—2; Transactions, vol. II— Y; Index zu vol. I— V. 

 Lansing. Michigan Academy of Science, Annual Report, vol. V, 1903. 

 La Plata. Museo de la Plata, Revista, t. VI— X, XL pag. 1—28, 37—128, 



159-176, 199-210; 21-5—226, 24-5-260; XII, pag. 121-136. 

 La Plata. Direccion general de Estadistica de la Provincia de Buenos- 



Ayres, Demografia 1902. 

 Lawrence. Kansas üniversity, Quarterly Bulletin vol. IV, No. 9. 

 Lincoln, üniversity of Nebraska, Agricultural Experiment Station, Üni- 

 versity Studies, vol. IV, No. 4; vol. V, No. 1. 

 Lincoln. American microscopical Society, Proceedings, vol. XXV, 1903 (Sess. 26). 

 Madison. Wisconsin Geological and Natural History Survey, Bulletin, 



No. 13; Economic, Series No. 8. 

 Madison. Wisconsin Academy of Sciences, Arts and Letters, Transactions, 



vol. XIV, p. II, 1903. 

 Mexico. Observatorio meteorologico central, Boletin mensual 1902, Agosto- 



Septembre. 

 Mexico. Observatorio astronomico nacional de Tacubaya, Anuario 1905; 



Anales por 1896. 

 Mexico. Sociedad scientitica „Antonio Alzate", Memorias y Revista, vol. XIII, 



No. 7-8; XIX, No. 8-12; XX, No. 5-12. 

 Mexico. Istituto geologico, Parergones, t. I, No. 4—8. 

 Mexico. (Aguascalientes) El Instructor, Anno XXI, 1905, No. 11—12; XXII, 



No. 1-6. 

 Milwaukee. Public Museum, Annual Report, vol. XXII, 1903—1904. 

 Montana, üniversity of Montana, Bulletin, No. 23, 25—26; Biological Series 



No. 9. 

 Montevideo. Museo Nacional, Anales : Flora üruguaya, t. II, pag. 161—375. 

 New Haven. American Journal of Science, 4. series, vol. X VIII, December; 



XIX, January-June ; XX, Julj -November. 

 New-York. Academy of Sciences, Annais, vol. XV, p. 3; XVI, p. 1; Me- 



moirs, vol. II, p. 4. 

 New-York. New York Botanical Garden, Bulletin, vol. III, No. 11 ; IV, No. 12. 

 Ottawa. Royal Society of Canada, Proceedings and Transactions, 2. series, 



vol. X, i904, p. 1-2. 

 Ottawa. Geological and Natural History Survey of Canada, Catalogue of 



Canadian birds, p. III ; Contributions to Canadian Palneoutology, vol. III, p. 3. 

 Para. Museu Pariense (Museu Gceldij, Boletim 1904, vol. IV, No. 1—3. 

 Philadelphia. Academy of Natural Sciences, Proceedings 1904, vol. LYI, 



p. 2-3; 1905, vol. LVII, p. 1. 

 Philadelphia. American Philosophical Society, Proceedings, vol- XLIII, 



No. 177-178. 

 Philadelphia. Zoological Society, Annual Report, vol. XXXIII. 

 Philadelphia, üniversity of Pennsylvania, üniversity Bulletin, 5. series, 



No. 2 p. 2; No. 3, p. 2; 6. series, No. 1, p. 1. 



