Catalogue of the Birds of Japan. 25 



74. FULMARUS GLACIALIS (LIdII.) . 



The skin sent (No. 2048) is the Pacific form of the Fulmar. 

 It is said to be darker in colour than our bird, and to have 

 somewhat slenderer bill and feet. It is the Procellaria 

 pacifica of Audubon and the Fulma^nis pacificus of Lawrence, 

 but not the F. rogersii of Cassin. I have not had access to 

 a sufficiently large series of either form to give any opinion 

 as to its claim to specific or subspecific rank. 



79. Charadrius fulvus, Gm. 



There are several skins of the eastern Golden Plover in 

 Swinhoe's collection from Japan. C. virginicus is a distinct 

 species, a larger bird, and has not yet been found in Asia. 



81. tEgialitis dubia (Scop.). 



The skin sent (No. 2252) is that of the European Little 

 Winged Plover, probably the Charadrius dubius of Scopoli, 

 and certainly the Charadrius curonicus of Gmelin. 



83. iEoiALiTis RUFiCAPiLLA (Tcmm.). 



Two skins sent (Nos. 1738 and 1411) are too small for 

 ^. geoffroyi (Wagl.), and doubtless belong to the nearly 

 allied species, jE. mongolica (Pall.), of which jE. rujicapilla 

 (Temm.) is a synonym. The former is a male in breeding- 

 plumage from Hakodate, and the latter a female in autumn 

 plumage from South Yesso. 



These species scarcely difi'er in colour, and very slightly in 

 size. The best character by which they may be separated is 

 the length of the convex portion at the end of the upper man- 

 dible, which xn. ^ . geoffroyi varies from '41 to '51 inch, whilst 

 in j^. mongolica it varies from -3 to '34. The other differ- 

 ences of measurement are scarcely so marked, and require 

 to be carefully measured, whereas the difference in the shape of 

 the bill is apparent at a glance. In the length of the wing from 

 the carpal joint jM. geoffroyi varies from 5'6 to 5*2, and y®. 

 mongolicus from 5*3 to 5 in. In length of culmen ^. geoffroyi 

 varies from 1*15 to 1"05, and ^. mongolica from "9 to '7 ; 

 and in length of tarsus ^.geoffroyi varies from 1*5 to 1*35, 

 and ^. mongolica from 1"3 to 1*2. 



Both Harting (Ibis, 1870, p. 379) and Oustalet (Ois. de la 



