MIGRATION IN A SOUTHERN COUNTY. 275 



ingress for our summer migrants, as they are for 

 the departure of birds of passage in autumn. As 

 elsewhere, migrating birds show the greatest 

 partiality for the river valleys, and it is mostly 

 by way of these stretching in the county as 

 they do chiefly from north to south that Devon is 

 crossed. That this is the case is strongly con- 

 firmed by the comparatively greater amount of 

 migration that is witnessed up the Kingsbridge 

 estuary, starting from Bolt Head and Prawle 

 Point, the two most southerly headlands, than 

 in any other part of the county. There is also 

 much evidence to suggest that the Dart Valley 

 is another important route into the county; the 

 Exe another; while the general trend of the 

 Teign estuary renders it perhaps the least fre- 

 quented path of summer migrants round the 

 entire coast. The Brixham headland is another 

 important point of ingress and departure, migrants 

 skirting Tor Bay and the surrounding country, and 

 thus working north to the Newton Abbot and 

 Teignmouth districts. From these various head- 

 lands and estuaries the tide of spring migrants 

 enters the county and spreads north, east, and 

 west, like an opening fan. Coasting migrants, 



