Recently published Ornithological Works. 203 
13 species; (4) those from the valley of Marcapata, Depart- 
ment of Cuzco, 163 species; (5) those from the Department 
of Puno, South Peru, 60 species. 
The following 14 species and subspecies are described as 
new i this memoir :— 
1. Pogonospiza (gen. nov.) mystacalis brunneiceps. 
2. Tanagra darwini leta. 
Basileuterus signatus. 
> 
Geothlypis canicapilla assimilis. 
Euphonia laniirostris peruviana. 
Buthraupis cucullata saturate. 
DO 
Sporophila gutturalis inconspicua. 
. Lophotriccus squamicristatus hypochlorus. 
9, Myiozetetes similis connivens 
10. Myiobius neevius saturatus. 
(9a) 
11. Nothura maculosa peruviana. 
12. Synallaxis curtata debilis. 
3. Conopophaga ardesiaca saturata. 
14, Calospiza argentea fulvigula. 
The type of the proposed new genus Pogonospiza is Pipilo 
mystacalis Tacz., which is probably identical with Buarremon 
nationt Sclater, P. Z. 8. 1881, p. 485, pl. xlvi. 
6. Brewster’s ‘ Birds of Massachusetts. 
[The Birds of the Cambridge Region of Massachusetts. By William 
Brewster. Cambridge, Mass., July 1906. 1 vol. 4to. 426 pp.] 
This important work, prepared by one of the best known 
authorities on North-American Birds, has been long 
expected, we believe, by his brother ornithologists in the 
U.S. It forms the fourth number of the Memoirs of the 
Nuttall Ornithological Club, at whose request the task of 
writing it was undertaken by Mr. Brewster upwards of ten 
years ago, 
The following extracts from the preface explain the general 
scope of the work, which is, of course, specially intended for 
those interested in the Ornis of the Cambridge District :— 
‘No attempt is made to give full life-histories of the birds. 
On the contrary I have abstained from saying anything 
about their habits, songs, &c., save im cases where some 
