Recently published Ornithological Works. 745 
Puffinidae, Pelecanoididae, and Diomedeidse. One hundred 
and twenty-two species, belonging to twenty-five genera, are 
recognised. 
There are altogether 103 coloured plates, so that all 
except a few of the more obscure species are figured. The 
complete work, bound, can now be obtained for fifteen 
guineas. 
88. Grinnell on Alaskan Birds. 
[Birds of the 1908 Alexander Alaska Expedition, with a Note on the 
Avifaunal Relationships of the Prince William Sound District. By 
Joseph Grinnell. Univ. of California, Publ. in Zool., Vol. v. No. 12. 
Berkeley, Cal., 1910.] 
The territory selected for exploration by Miss Alexander’s 
third expedition to Alaska (1908) was the Prince-William- 
Sound Region, which lies at the head of the Gulf of Alaska. 
Its fauna was previously little known. The ornithological 
material collected during the expedition, besides the 
naturalists’ field note-books, comprised 500 bird-skins and ten 
sets of eggs, which have been presented by Miss Alexander 
to the Museum of Vertebrate Zoology of the University of 
California. 
The birds observed and obtained during the expedition 
are referred to 89 species, concerning which there are many 
interesting field-notes. Canachites canadensis atratus and 
Lagopus rupestris k ellogce are described as two new sub¬ 
species of Grouse, Ceryle alcyon caurina as a new subspecies 
of Kingfisher, Passerella iliaca sinuosa as a new Finch, and 
Penthestes rufescens vivax as a new Titmouse. 
As an appendix to the memoir we have a discussion on 
the origin of the Avifauna of the district examined, with the 
result that it appears to belong to two different life-zones— 
the “ Hudsonian ” and the “ Alpine-Arctic.” The former 
is practically coincident with the timbered area, which is 
confined to a narrow tract bordering the sea-shore and 
extending up the valleys; while the “ Alpine-Arctic ” or 
treeless zone covers the tops of the mountains and the 
interior land-mass. 
