LXI 
Mexico. Boletin mensual del observatorio central de Mexico. Junio 1900 — 1901. 
Memorias y revista de la sociedad cientifica „Antonio Alzate“. T. XIII und XIV. 
Boletin de agricultura, mineria e industrias, Anno IX, X. 1901. 
Boletin del instifcuto geolo^ico de Mexico. No. 14. 1900. 
Milwaukee. Bulletin of tlie Wisconsin natural bistory society. Vol. I. No. 3, 4. 1900. 
Montevideo. Anales del museo nacional. T. II fase. XYII. 1901. T. III fase. XVIII. 1901. 
New Haven. Transactions of the Connecticut academy of arts and Sciences X, 2. 1900. 
New York. Academy of Sciences. 1) Memoirs. Vol. II, part. 3. 1901. 2) Annals. Vol. XII, 
parts. II and III. 1899—1900. Vol. XIII, part. I. 1901. 
The rauseum of the Brooklin Institute of arts and Sciences. Bulletin. Vol. I, 
No. 1. 1901. 
Ottawa. Geological suvoey of Canada. 1) Annual report. (Nw. series.) Vol. XI. 1901. 
2) Catalogue of canadian birds part. I. 1901. 
Philadelphia. Proceedings of the academy of natural Sciences. 1900. Vol. LII. part. II, 
IIP Vol. LIII. p. 1. 
Raleigh. Journal of the Elisha Mitchell scientific society. 1901. 27. year, part 11. 
Rochester. Proceedings of the Rochester academy of Science. Vol. 4. pag. 1 — 64. 1901. 
St. Louis. Transactions of the academy of Science. Vol. IX. No. 6, 8, 9; Vol. X. 1 — 8. 
1899—1900. 
Missouri botanical garden, ]2th annual report. 1901. 
Tacubaya. Boletin del observatorio astronomico — nacional Tomo II. No. 6, 7, 
Annuario del observatorio astronomico nacional; anno 1901. XXI. 
Toronto. Canadian institute. 1) Proceedings. New Series. Vol. II. part. 4. 1901. 
2) Transactions. No. 13. Vol. VII. part. 1. 1901. 
Washington. Report of the secretary of agriculture. 1900. 
Report of the Superintendent of the U-S. naval observatory for fiscal eiiding 
30. June 1900. 
Yearbook of the U-S. department of agriculture 1900. 
U-S. department of agriculture, Division of biological survey. Bull. 14, 16. 
North american fauna. No. 20 --21. 
Smithsonian Institution. a) Annual report of the board of regents for 1899. 
b) U-S. National Museum. 1) Special Bulletin. (American hydroids.) 2) Bulletin 
No. 47. (The Fishes of N. and M. America.) 3) Miscellaneons collections. 
1253, 1258. 4) Anrual report of the board of regents. 1897. part. II for 1899. 
Annals of the astrophysical observatory. Vol. I. 1900. 
Astronomical magnetic and meteorological observations 1891 at the U-S. naval 
observatory. 1899. 
Publications of the U-S. naval observatory. II Series. Vol. I. 1900. 
U-S. geological Survey. 1) 20. annual report, part. I, II, III, IV, V, VII. 1900. 
21. report part. I, VI (a, b). 1901. 2) Monographs. Vol. 39, 40. 3) Bulletin 
No. 163 — 176. 4) Preliminary report on the cape nome gold region Alaska. 
Mittel -Amerika. 
San Salvador. Anales des observatorio astronomico y meteorologico. 
Süd-Amerika. 
Cordoba. Boletin de la academia nacional de ciencias en Cordoba. XVI. 2, 3, 4. Buenos 
Aires T900. 
La Plata. Publicaciones de la universidad de la'’'^Plata. No. 1. Julio 1901, 
Direccion general de estadistica de la provincia de Buenos Aires: Estudio sobre 
las enfermedades infecto contagiosas 1889—1898 (C. P. Salas). 1901. 
