94 
Bulletin de les Societe geologique de Belgique, Table des motieres 
du tome XXXII. Liege 1906. 
Atti della reale accademia dei lincei. Rendiconti Vol. XV 
Fase. 7, 8. Roma 1906. 
Annali della facoltä di medicina, Universita di Perugia 1904 
Sw. III Vel. IV Fase. 1—3, 4. Perugia 1904, 1906. 
Bulletin de la societe imperiale des naturalistes de Moscou 1905 
No. 1—3. Moscou 1906. 
Annotationes Zoologicae Japonenses Vol. V Part.V. Tokyo 1906. 
Boletin del Cuerpo de Ingenieros de Minas del Peru No 30 — 34. 
Lima 1905. 
Parergones del Instituto Geologico de Mexico. Tomo I, No. 10. 
Mexico 1906. 
U. St. Geological Survey. 
— Atlas to acc. monograph XXXII on the geology of the 
Yellowstone Park. Washington 1904. 
— Mineral resources of the U. St. 1904. „ 1905. 
— Professional Paper No. 43. „ 1905. 
— 26. annual report of the Director 1904 — 5. „ 1905. 
— Bulletin No. 265, 272-274. „ 1905. 
— Walter-Supply Paper No. 148, 150. 
Proceedings of the American Philosophical Society Vol XLIV 
No. 181. Philadelphia 1906. 
Trausactions of the American Philosophical Society Vol. XXI 
Part. II Art. II. Philadelphia 1906. 
The American Naturalist Vol. XL No. 473. Boston 1906. 
Bulletin of the New-York Public Library Vol. X No. 5. 
New- York 1906. 
Proceedings of the American Academy of Arts and Sciences 
Vol. XLI No. 20- 29. 
Bulletin of the Scientific Laboratories of Denison University 
Vol. XIII Art. II. Granville, Ohio 1905. 
Ohio State University, Bulletin Vol. X No. 1. 1905 3. 
— Bulletin Vol. X Suppl. to num. 5. 1906. 
Memoirs and Proceedings of the Manchester Literary and Philosophi- 
cal Society 1905— 1906. Manchester 1906. 
Leopoldina 1906 Mai No. 5. 
