APPENDIX. 385 



29. SHARPE, R. B. On the Zoo-Geographical Areas of the World, 



illustrating the Distribution of Birds. Natural Science,\o\. III., 

 pp. 100108, (1893). 



30. THOMAS, O. T. The Mammals of the Solomon Islands. Proc. 



Zool. Soc. 1888, pp. 470484. 



31. Preliminary Diagnosis of New Mammals from Northern 



Luzon, collected by Mr J. Whitehead. Ann, Mag. Nat. Hist. 

 ser. 6, vol. XV. pp. 160 164, (1895). 



32. WALLACE, A. R. The Geographical Distribution of Animals. 



London, 1876, 2 vols. 8vo. 



33. Island Life. London, 1880, 8vo. 



34. What are Zoological Regions? Nature, vol. XLIX., 



pp. 6 10 613. 



35. The Palaearctic and Nearctic Regions compared as re- 

 gards the Families and Genera of their Mammalia and Birds. 

 Natural Science, vol. IV., pp. 433 445, (1894). 



36. ZITTEL, K. A. VON. Die geologische Entwickelung, Herkunft, und 



Verbreitung der Saugethiere. Sitzber. bayer. Akad. vol. xxill., 

 pp. 137198, (1893). 



L. 25 



