1 92 1.] Recently published Ornithological Works. 157 



We have found (lescriptions of about seven new species and 

 subspecies in tlie text, and it would be a great convenience 

 to woi'kers if a list of these were printed in the introduction. 

 They are as follows : — Coccyzns mimv caymaneusis (dayman 

 Ts,, W.L, Nystulus niaculatns nuc/uilis Ceara, Brazil, Soroplex 

 campestris cear<e Ceara, Brazil, Chrysoptilus rnelanocldorus 

 jute Ceara, Brazil, C. puuct'tgula notata Colombia, Celeus 

 eleguns approxhiiayis Brazil, Crocomurphus ffavus peruvianus 

 N. Peru, A coloured plate of the three subspecies of Celeus 

 elegans forms a frontispiece to the volume. 



Cory on the genus ilhynchocyclus. 



[Tlie relationships and geographical distribution of the species and 

 races belonging- to the genus RJnjncliocyclus. By C. B. Cory. Proc. Biol. 

 Soc. Washington, vol. 32, 1919, pp. 217-224.] 



A useful revision of this complicated and extensive genus 

 of South American Tyrant-birds. No new foims are 

 described, twenty are included in the lisL 



Hellmayr^s recent papers. 



1. Neue Veigel aus dem tropischen Anierilia. Von E. C. Ilellmayr und 



Josef Graf von Seilern. Verhandl. Orn. Ges. Bayern, xii. 1914, 

 pp. 87-92. 



2. Weitere neue Fornien aus Westindien und Venezuela. Id., ibid. 



pp. 201-205. 



3. Ueber einen neuen Kerubeisser aus Venezuela. Id., ibid. pp. lGO-161. 



4. Ein Meiner Beitrag zur Ornithologie des Staates Espirito Santo, 



Sudostbrasilien. Von C. E. Ilellmayr. Ibid. pp. 119-159. 



5. Neue Fornien aus dem neotropischen Gebiet. Id., ibid. pp. 206-214. 



6. Beschreibung von sechs neuen neotropischen ViJgelformen, uebst 



einer Bemerkung iiber Aonpelion cinctus (Tsch.). Id., ibid. xiii. 

 1S17, pp. 106-119. 



7. Miscellanea Ornithologica, II., Ill, IV. Id., ibid. xiii. 1917 & 1918, 



pp. 188-200, 302-317 : xiv. 1919, pp. 126-133. 



8. Bibliographisches und Kritisches iiber B. Schoujburgk's Veigel von 



Britisch-Guiana. Id., ibid. xiv. 1920, pp. 270-274. 



9. Drei Beitrage zur Nonieuklatur der Viigel Europas. Id., ibid, xiii, 



1917, pp. 87-104. 

 10. Zur Nonienklatur zweier paliiarktischen Krahen. Id., ibid. xiii. 

 1917, pp. 181-187. 



