APPENDIX 



CLARK, HUBERT LYMAN. The Pterylography 

 of Certain American Goat-suckers and Owls, Illustrated. 



CLARK, HUBERT LYMAN. The Feather-tracts 

 of North American Grouse and Quail. 3 plates and il- 

 lustrations. 



GATKE, H. On the Birds of Heligoland. 



JOUY, P. L. Notes on Birds of Central Mexico, 

 with description of Forms believed to be new. 



PORTFOLIO II 



LINTON, EDWIN. Notes on Avian Entozoa. 5 

 plates. 



LUCAS, F. A. The Cranium of Pallas's Cormo- 

 rant. Illustrated. 



LUCAS, F. A. Notes on the Anatomy and af- 

 finities of the Coerebidae and other American Birds. 

 Illustrations. 



LUCAS, F. A. The structure of the Tongue in 

 Humming Birds. Illustrated. 



LUCAS. F. A. Osteological and Pterylographical 

 characters of the Procniatidae. Illustrated. 



MACFARLANE, R. Notes on, and List of Birds 

 and Eggs collected in Arctic America. 



OBERHOLSER, HARRY C. Notes on Birds 

 from the Cameroons District, West Africa. 



OBERHOLSER, HARRY C. Descriptions of two 

 new sub-species of the Downy Woodpecker, Dryobates 

 Pubescens (Linn.). 



PORTFOLIO III 



OBERHOLSER, HARRY C. A Revision of the 

 Wrens of the Genus Thryomanes Sclater. 



150 



