850 Erste Sitzung der neunten Sektion. 



O k e n , [L. v.] (1816), Lehrbuch der Naturgeschichte, 3. Th., 2. Abth. 



Packard, A. S., Jr. (1879), Zoology for Students and General Readers. (In: 

 American Science Series). 



P i 1 s b r y , H. A. (1894), Guide to the Study of Helices. (G. W. Tryon, Jr., Ma- 

 nual of Conchology; Structural and Systematic, Continuation by H. A. Pilsbry, 

 (2) 9, T. 34 u. 35.) 



Pilsbry, H. A. (1900), On the Zoölogical Position of Partula and Achatinella. 

 (Proc. Acad. Nat. Sei. Philadelphia, p. 561 — 567, tab. XVII.) 



Poche, F. (1908), Synonymische Uebersicht der bisher bekannten Actinotrochi- 

 dae. (Arch. Natgesch., 74. Jg., 1, p. 373—388.) 



Pycraft, W. P. (1907), Contributions to the Osteology of Birds. — Part. IX. 

 Tyranni;Hirundines; Muscicapae, Lanii, and G y m n o - 

 r hi n e s. (Proc. Zool. Soc. London 1907, pp. 1 — 446, p. 352 — 379). 



Reichenow, [A.] (1901), Über Begriff und Benennung von Subspecies. 

 (Orn. Monber. 9, p. 145 — 149). 



Reichenow, [A.] (1902), — , in: Matschie, Bericht über die April-Sitzung 

 [der Deutschen Ornithologischen Gesellschaft]. (Journ. Orn. 50, p. 363 — 364). 



Reichenow, [A.] (1904 a), — , in: Matschie, Bericht über die Dezember- 

 Sitzung 1903 [der Deutschen Ornithologischen Gesellschaft]. (Journ. Orn. 52, 

 p. 308—313, p. 309—312.) 



Reichenow, [A.] (1904 b), Zur Berichtigung. (Journ. Orn. 52, p. 563 — 564.) 



Ridgway, R. (1901), The Birds of North and Middle America, 1. (Bull. 

 United States Nat. Mus., Nr. 50.) 



Ridgway, R. (1902), The Birds of North and Middle America, 2. (Bull. 

 United States Nat. Mus., Nr. 50.) 



Shelley, G. E. (1900), The Birds of Africa, comprising all the Species which 

 oeeur in the Ethiopian Region, 2. 



Shufeldt, R. W. (1901), Osteology of the Penguins. (Journ. Anat. Physiol. 

 Norm. Pathol. 35, p. 390—404, tab. XXXVIII.) 



Shufeldt, R. W. (1903), On the Classification of certain Groups of Birds. 

 (Supersuborders: Archornithiformes ; Dromaeognathae; Odontoholcae.) (Amer. 

 Nat. 37, p. 33—64-) 



Shufeldt, R. W. (1904), An Arrangement of the Families and the higher 

 Groups of Birds. (Amer. Nat. 38, p. 833—857.) 



Stebbing, T. R. R. (1906), Amphipoda. I. Gammaridea. (In: Das Tierreich, 

 21. Lief.) 



Stichel, H., u. Riffarth,H. (1905), Heliconiidae. (Das Tierreich. Heraus- 

 gegeben von F. E. Schulze, 22. lief.) 



S t o r r ,G. C. C. [cf. p. 3] (1780), Prodromus Methodi Mammalium. 



Trouessart, E.-L. (1904), Catalogus Mammalium tarn viventium quam 

 fossilium. Quinquennale Supplementum Anno 1904, Fase. 1 — 2. 



Tullberg, T. (1899), Ueber das System der Nagethiere. (Nova Acta Soc. Sei. 

 Upsaliens. (3) 18, Sect. Med. Hist. Nat.) 



[Weise, J.] (1906), Curculionidae (in: L. v. Heyden, E. Reitter, J. Weise cum 

 aliis soeiis coleopterologicis, Catalogus Coleopterorum Europae, Caucasi et 

 Armeniae Rossicae, 2. Aufl., 1906, col. 593 — 707 [cf. Vorwort, p. [1]]). 



