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much less chestnut coloration in the feathers of the lower neck, back, 



and other parts of the body than the bird of the neighboring lowlands. 



In conclusion I append a map illustrating the distribution of ail 



the species and subspecies of the genus Guttera deemed worthy of 



Fig. 4. — Distribution of the Crested Guinea Fowls of the genus Guttera. G. plumifera, 

 with two races, is restricted to the rain-forest of Lower Guinea. G. pucherani inhabits 

 forests in eastern equatorial Africa. G. edouardi has seven subspecies scattered along 

 forest borders and gallery-forests from Si erra Leone to Natal. 



récognition. Future collecting may close some of the gaps between 

 the ranges; but in other cases changes in the character of the végé- 

 tation apparently keep certain races widely separated. The material 

 now preserved in muséums is by no means sufficient to indicate 

 complète intergradation between the various races of Guttera edouardi. 



