560 Recently published Ornithological Works. [Ibis, 
administered by the same service as the National Parks, 
which are tracts of greater area. 
Todd on new South American Birds. 
[Descriptions of apparently new South American Birds. By W. E. 
Clyde Todd. Proc. Biol. Soc. Washington, vol. 33, 1920, pp. 71-76.] 
This short paper contains descriptions of three new species 
and thirteen new subspecies, chiefly from French Guiana 
and the lower Amazon, where collections have recently 
been made for the Carnegie Museum at Pittsburg by 
Mr. S. M. Klages. The new species are as follows:— 
Polioptila guianensis , French Guiana ; Myrmopagis para- 
ensis , Para, Brazil ; and Nyctipolus maculosus , French 
Guiana. 
Townsend on the Birds of Massachusetts. 
[Supplement to the Birds of Essex County, Massachusetts. By Charles 
Wendell Townsend. Memoirs of the Nuttall Ornithological Club, no. 5, 
pp. 1-196 ; 1 pi., 1 map. Cambridge, Mass., 1920. 8vo.] 
About fifteen years ago Dr. Townsend published an 
account of the birds of Essex County, which lies on the 
coast of Massachusetts a little to the north of Boston 
and contains a number of early New England settlements 
and towns, the most important of them being Salem, well 
known even in England for the burning of the witches. 
Dr. Townsend himself has a summer home at Ipswich 
further north, and has now prepared a supplemental list 
of the birds of the county, not only in order to bring his 
records up to date, but also to show the changes which have 
taken place during the period which has elapsed, in the 
distribution of the various species. Legislation has helped 
to preserve many otherwise vanishing species. On the 
other hand, the prevalence of insect pests which have done 
great damage to the woods of this part of the county, has 
led to spraying the trees with poisonous fluids, to clearing 
up the brushwood and undergrowth, and to the stopping up 
