DISTRIBUTION OF FLORA AND FAUNA. 13! 



Keeler, C. A. 



'93 Evolution of the Colors of North American Land Birds. Occas. Papers Cal. 



Acad. Sci., Vol. 3. 

 MacMillan, C.* 



'92 The Higher Seed Plants of the Minnesota Valley. Geol. and Nat. Hist. 



Surv. Minn., Botanical Series, i, Minneapolis. 

 Mason, S. C. 



'92 A Preliminary Report upon the Variety and Distribution of Kansas Trees. 



Eighth Biennial Rep., Ks. State Bd. Agric., 1891-92, pp. 259-274. 

 Merriam, C. H. 



'90 Results of a Biological Survey of the San Francisco Mountain Region and 

 Desert of the Little Colorado, Arizona. N. Amer. Fauna, No. 3, U. S. 

 Dept. of Agric. 



'93 T ne Geographical Distribution of Life in North America, with special Refer- 

 ence to the Mammalia. Smithsonian Rep., 1891, pp. 365-415. (Also Proc. 

 Biolog. Soc. Washington, Vol. VII., pp. 1-64.) 

 Miller, Jr., G. S. 



'oo Key to the Land Mammals of Northeastern North America. Bull. N. Y. 



State Mus., Vol. 8, No. 38. 

 Osborn, H. F. 



'oo Correlation between Tertiary Mammal Horizons of Europe and America. 



Ann. N. V. Acad. Sci., Vol. XIII., No. I, pp. 1-72. 

 Ridgway, R. 



'72 Un the Relation between Color and Geographical Distribution in Birds, as 

 exhibited in Melanism and Hyperchromism. Amer. Journ. Sci. and Arts 

 (3), IV-, PP- 454-46o; V., pp. 39-44. 

 Sargent, C. S. 



'84 Forests of North America. Tenth Census of the U. S., 1880, Vol. IX., 



Washington. 

 '84 Forest Flora of Japan. Boston. (Also Bessey, Amer. Nat., Vol. XXIX 



pp. 1049-1056.) 

 Seebohm, H. 



'81 Catalogue of the Birds in the British Museum, Vol. V. London. 

 . Semper, K. 



'81 Animal Life. N. V. 

 Simpson, Chas. T. 



'96 The Classification and Geographical Distribution of the Pearly Fresh-Water 

 Mussels. Proc. U. S. Nat. Mus., Vol. XVIII. , No. 1068, pp. 295-343, pi. IX. 

 Walker, Bryant. 



'98 The Distribution of the Unionidre in Michigan. 1898. 

 Webster, F. M. 



'98 The Chinch Bug : its Probable Origin and Diffusion, its Habits and Develop- 

 ment, Natural Checks and Remedial and Preventive Measures, with Mention 

 of the Habits of an Allied European Species. Bull. 15, N. S., Div. of Ento- 

 mology, U. S. Dept. of Agriculture. 

 Weed, C. M. 



'92 The Striped Harvest Spider: A Study in Variation. Amer. Nat., Vol. 



XXVL, pp. 999-1008, pis. XXVII.-XXIX. 



'93 The Cinnamon Harvest Spider and its Variations. Amer. Nat., Vol. XXVII., 

 PP- 534-541- 



