1920 J Recent Literature. 629 



posed for Calliste mclanotis Scl.; Leptopogon taczanowskii (p. 198) for L. 

 rufipectus Tacz.; Euchlornis riefferii signata (p. 199) for Ampelis viridis 

 d'Orb. Lafr.; Automolus roraimae (p. 199) for Philydor albigularis, Tsch. 

 Accipter guttifer (p. 200) for A. guttatus auct. Also many changes in names. 



A New Raven-Crow from Japan. By A. Laubmann. — Corvus corone 

 interpositus (p. 201), Hondo. 



Proceedings of the Bavarian Ornithological Society. XIII, No. 3. 

 May 25, 1918. 



Geographic Variation in the forms of Corvus cornix. By A. Laubmann. 

 Six races recognized. 



An Analysis of the Song of the Creeper. By H. Stadler and C. Schmitt. 



Miscellanea Ornithologica. By C. E. Hellmayr. (VIII) The Forms of 

 Rhodinocichla rosea are recognized, R. r. harterti (p. 304), Bogota, being 

 described as new. (IX) A New Tyrant from Bolivia, Leptopogon super- 

 ciliaris albidiventer (p. 305) Quebrada, Bolivia. (X) Remarks on the 

 type of Pitta angolensis and the Ethiopean Pittas. (XI) Two New Wood- 

 peckers from British Guiana. Chloronerpes rubiginosus guianae (p. 314) 

 Yuruani River, Venezuela; Veniliornis kirkii monticola (p. 315) Roraima. 



Proceedings of the Bavarian Ornithological Society. XIII, No. 4. 

 November 25, 1918. 



On the Wing Sound of the Golden-eye (Glaucionetta c. clangula). By 

 H. Mayhoff. 



Proceedings of the Bavarian Ornithological Society. XIV, No. 1. 

 June 26, 1919. 



Note on Centropus rectunguis and Related Species. By E. Stresemann. 



On the European Creepers. By E. Stresemann. — An elaborate dis- 

 cussion of the relationship and distribution of Certhia familiaris and C. 

 brachydactyla. 



A Contribution to Our Knowledge of Molting in Birds. By E. Strese- 

 mann. The terminology of Dr. J. Dwight is discussed and explained. 



On Our Knowledge of the Dipper. By H. Sachtleben. 



Observations on Some Hitherto Overlooked Names of C. L. Brehm. 

 By A. Laubmann. 



Corvus capensis kordofanensis (p. 103) proposed for C. c. minor Heugl., 

 nee Brehm. 



Miscellanea Ornithologica IV. By C. E. Hellmayr. (XII) Four New 

 Forms from Tropical America. Catharus melpomene sierrae (p. 126), 

 Santa Marta; Plancsticus serranus cumanensis (p. 127), Cumana, Vene- 

 zuela; (the other two appeared previously in the "Anzeiger Orn. Gesell. 

 Bayern" see below). (XIII) Nomenclatorial. Corvus brachycercus (p. 

 131) proposed for C. affinis Rupp.; Erythroniyias timorensis (p. 133) for 

 Saxicola pyrrhonotus S. Muller. Also many changes. 



Proceedings of the Bavarian Ornithological Society. XIV, No. 

 2. December 15, 1919. 



The Beginning of Bird Song at Early Dawn. By C. Zimmer. An 

 elaborate discussion of this subject and its relation to the rising of the 



