Aufgelegte Schriften: 
Verhandl. k. k. geol. Reichsanstalt Wien, No. 7 — 10. 1908. 
Leopoldina. Heft XLV, No. 1. 1909. 
Sitz.-Ber. phys.-mediz. Ges. Würzburg, No. 1 — 8. 1907. 
Naturw. Ver. Schwaben u. Neuburg. 38. Bericht. 1908. 
Ges. f. Völker- und Erdkunde Stettin. Ber. f. 1906, 7 und 1907, 8. 
Correspondenzblatt d. Naturforscher-Verein. Riga. LI. 1908. 
Mus. f. Nat.-Heim.-Kunde Magdeburg. Abh. u. Ber. 1,4. Magd. 1908. 
Ber. oberhess. Ges. Giessen. N. F. Mediz. Abt. Bd. 3, 4. Naturw. Abt. 
Bd. 2. Giessen 1908. 
Mem. Mus. Comp. Zoology. Harvard Coli. vol. XXXVI, No. 1. 
XI. Echini: the Genus Colobocentrotus. 1908. 
Mem. & Proceed. Manchester Lit. & Phil. Soc. 1908/9. Vol. 53, p. 1. 1908. 
Navy Depart. U. St. Naval Observ. Synopsis of the Report for 1908. 
Proceed. California Acad. Sc. 4, 5. vol. III, pg. 41 — 48. 1908. 
Canada Depart. of Mines: Geol. etc. of N. Brunswick, Ottawa 1907. 
„ „ „ „ Summary Rep ort. 1903. 
Proceed. Am er. Acad. Ar ts & Sc. 44, 1—5. Boston 1908. 
U. St. Geol. Surv. Water-Supply Papers. 219 , 220 , 222. Wash. 1908. 
„ „ „ „ Bulletin. 347 , 349 , 351 , 369 . „ 1908. 
Transact. Connecticut Acad. Ar'ts & Sc. vol. III, p. 59—170. 
Newhaven 1908. 
Bullet. N. York publ. Library. Jan. 1909. (vol. XIII, 1.) N. York 1909. 
Missouri botanical garden. 19. Rep. 1908. 
26. Annual rep ort. Bureau of Americ. Ethnology. 1904—5. 
Wash. 1908. 
Atti r. Acad. Lincei. v. XVII, 12, XVIII, 1. Roma 1908 & 9. 
Bullet. Ac. imp. Sc. Pötersb. 1909, 1. 
Parergones inst, geolog. Mexico, n, 7. Mexico 1908. 
Archivos real. inst. Bacteriologico. Camara Pestana. II, 2. Liab. 1908. 
University Studie s. Lincoln, Nebrasca. 8, 1. Jan. 1908. 
Transact. Connecticut Acad. Arts & Sc. vol. 14, pages 1 — 57. 
New Haven 1908. 
26. annual report. Publ. Mus. Milwaukee. 1908. 
Proceed. California Acad. Sc. 3, pg. 1 — 40. S. Francisco 1908. 
Geological Survey of Canada: Department of Mines. 28 Karten und 
Grubenpläne. 
Parergones del Inst. Ge o lo g. Mexi co , t. II, No. 4 — 6. Mexico 1908. 
Catalogos fauna brazileira Museu Paulis ta. v. I. St. Paulo 1907. 
Museu Paulista Notas preliminares. v. I, fase. 1. Sao Paulo 1907. 
Annales del Museo Nac. Buenos Aires, s. ser. t. IX. 1908. 
