xlvlii 



Bill. Wing. Tar.sus. 

 ioch. inch. inch. 



Ga 'Ihiar/o ancklandica 



0.0 



4-2 



10 



4-1 



10 



4-1 



•9 



3-6 



•8 



3 5 



•8 



3-5 



•8 



G. Imefjoli 20 



G. piisilkt 1'7 



. 1-^ 



. 1-7 



1-6 



The Hon. Walter Rothschild exhibited and described a 

 new species of Albatross : — 



4-DlOMEDEA IMMUTABILIS, Sp. n. 



Adult. Head^ neck, lower rump, and entire under surface 

 pure white ; space in front of the eye sooty black ; wings 

 and wing-coverts blackish brown; interscapular region, 

 back, and upper part of rump paler and more smoky brown ; 

 tail black, fading into white at the bases ; under wing-coverts 

 mixed, blackish brown and white : '' bill grey, darker at 

 base, tip blackish brown ; base of under maiidible pale 

 yellow; iris brown; tarsi and feet fleshy pink'' [H. C. 

 Palmer). Wing 19 inches, bill 4, tarsus 3-.2, middle toe 

 with claw 4"3. 



This Albatross belongs to the typical section of Diomedea 

 as limited by Mr. Salvin, and is at once distinguished by 

 attaining the coloration of the adult bird in the first plu- 

 mage. The young in down is pale brown with a blackish- 

 brown bill. 



Hah. Laysan Island, North Pacific. 



Mr. Howard Sauxders made some remarks upon the 

 distribution of Birds in France, especially with reference to 

 some species which passed beyond that country as far as 

 Great Britain. He pointed out that a great part of France 

 consisted of elevated table-land, and that one main line of 

 migration passed along the Rhone Valley and across the 

 Langres Plateau on the east ; while on the west side the 

 line ran parallel with the coast until it was deflected east- 



