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Haarlem, Musee Teyler: Archives, Ser. II. Vol. VIII. 3 — 4. 



Liverpool, Museum. 



Edinburg, Royal Society Proceedings Vol. XXIII. 



Bergen, Museum: Aarl)org 1903, Heft 1 — 3. Aarsberetning for 1902. 



Stockholm, K. Schwedische Akademie der Wissenschaften : Bihang Abt. 111 



und IV, Vol. 28. 1902. 

 Arsbok for 1903. Arkiv for Botanik Bd. I, 1—3. Arkiv for Zoologie 



Bd. I, 1—2. Arkiv for Kemi, Min. und Geol. Bd. I, 1. 

 Upsala, Geologisches Institut. 

 Tronisoe, Museum: Aarsheft 24 (1901) 1902. 

 Stavanger, Museum: Aarshefte 1902, 1903. 

 Helsingfors, Societas pro Fauna et Flora Fennica. 

 Riga, Naturforscher - Verein : Korrespondenzblatt 46. 1903. 

 Rennes, L' Universite Traveaux scientifiques, Tome I, 1902, Tome II 



1—2, 1903. 

 Albany, N. Y. University of the State of New- York: State Museum, Re- 

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 Baltimore, Maryland Geological Survey: Highway Report 1899. Allegany 



County 1900, Cecil County 1902, Garrett County 1902, Vol. IV, 



1902 Final Report of the boundary line between Allegany and 



Garrett Counties 1903. 

 Baltimore, Maryland Weather Service: Introduction et general Report on 



the Physiography of Maryland. Report on the Meterology of 



Maryland 1899. 

 Boston, Amer. Academy of arts and sciences Proceedings, Vol. XXXVIII 



10—26, XXXIX. 1—12. 

 Brooklyn, The Brooklyn Institute of Arts and Sciences: Cold Spring Harbor 



Monographs I und II 1903. 

 Buffalo, Society of natural sciences. 

 Cambridge, Museum of comparative Zoology : Annual Report 1902 — 1903. 



Bull. Vol. XXXIX, 6—8. 



Chicago, Academy of sciences, XLI 2, XL 6—7, XLII 1—5, XLIII 1, 

 XLV 1. 



Milwaukee, Nat. Hist. Society Bull. Vol. III, 1—3. 1903. 

 Milwaukee, Wisconsin Nat. Hist. Soc. Bull. Vol. 2, 1—4, 1902. 

 Milwaukee, Public Museum of the City of Milwaukee: 19 — 21. Annual 



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 New- York, Academy of sciences: Annais XIV, 3 und XV, 1. 

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IV, V, VII. 1902. Annual Report 1902. 



