

LIST OF WORKS REFERRED TO. xxxiii 



HAETLAUB, G. System der Ornithologie Westajfrica's. 8vo. Bremen, 



1857. 

 HEMPBICH, F. G., and EHEENBEBG, C. G. Symbolse Physicae. Fol. 



Berlin, 1828. 

 HEUGLIN, T. VON. Ornithologie Nord-Ost Afrika's. 8vo. Cassel, 1869 



to 1871. 

 . Systematische Uebersicht der Vogel Nord-Ost Afrika's. 8vo. 



Vienna, 1855. 

 IBIS. The Ibis, a Magazine of General Ornithology. 8vo. London, 



1859 to 1872. 



Isis. Isis oder encyclopadisehe Zeitung. 4to. Jena, 1817. 

 JAEDINE, SIE W. Sun-birds, in Jardine's l Naturalist's Library/ 12mo. 



Edinburgh, n. d. 

 JABDINE, SIE W., and SELBY, P. J. Illustrations of Ornithology. Fol. 



Edinburgh, 1826 to 1843. 

 JOBNAL DE SCIENCIAS Mathem. Phys. e Naturaes. Publ. da Academia 



E. de Lisboa. 8vo. Lisbon, 1867 to 1871. 

 JOTJENAL FUE OBNiTHOLOGiE. 8vo. Cassel, 1853 to 1871. 

 LATHAM, J. General Synopsis of Birds. 4to. London, 1781 to 1785. 

 LAYAED, E. L. The Birds of South Africa, a Descriptive Catalogue of 



all the known Species occurring south of the 28th parallel of South 



Latitude. First Edition. 8vo. Cape Town, 1867. 

 LEVAILLANT, F. Histoire Naturelle des Oiseaux d'Afrique. Fol. Paris, 



1799 to 1808. 

 . Histoire Naturelle des Oiseaux de Paradis et des Eolliers, suivie 



de celle des Toucans et des Barbus. Fol. Paris, 1806 and 1807. 

 . Histoire Naturelle des Promerops et des Guepiers. Fol. Paris, 



1807. 



. Histoire Naturelle des Perroquets. Fol. Paris, 1801 to 1805. 



LICHTENSTEIN, H. Verzeichniss der Doubletten des zoologischen Mu- 

 seums der Konigl. Universitat zu Berlin. 4to. Berlin, 1823. 

 LIVINGSTONE, D. Missionary Travels and Researches in South Africa. 



8vo. London, 1857. 



MALHEEBE, A. Monographic des Picidees. Fol. Metz, 1861 to 1863. 

 MABSHALL, C. H. T., and MAESHALL, G. F. L. A Monograph of the 



Capitonidae or Scansorial Barbets. 4to. London, 1870 and 1871. 

 MULLEE, BAEON J. W. DE. Description de nouveaux Oiseaux d'Afrique. 



Fol. Stuttgart, 1853. 

 NAUMANN, J. A. Naturgeschichte der Vogel Deutschlands. 8vo. 



Leipzig, 1822. 

 NEWTON, A. A History of British Birds by the late William Yarrell. 



