CARRION AND HOODED CROWS 

 AND HYBRIDS 



CHAPTER XLVIII. 



RESULTS 

 AND CONCLUSIONS. 



Ornithological Results of the Trip 



Siberian Forms of Birds Discoveries of Pallas Comparison of 

 European and Siberian Birds Interbreeding of Allied Species Affinity 

 of European and Japanese Species Sub-species Conclusion. 



THE ornithological results of my trip to the Yenesei were 

 on the whole satisfactory. It was a great disappoint- 

 ment to me not to get to the coast, and still more so to 

 miss the birds of the Kara Sea, and to arrive on the 

 tundra too late for most of the eggs of which I was in 

 search. The enforced delay in the pine forests produced, 

 however, some very interesting results, and on the whole 

 the excursion must be pronounced a success, although I 



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