22 The Ornithology of Chester County 
material to a large extent was obtained in the town- 
ships of Willistown, Pocopson, Newlin, and those 
bordering West Chester. With the assistance of 
his friend, Benj. M. Everhart, he compiled a num- 
ber of interesting local names. As the list was 
prepared for a newspaper, the technical names were 
omitted, though the species are checked with num- 
bers to correspond to those used by Ridgway in his 
Nomenclature of 1881, for the benefit of scientific 
contemporaries. 
C. J. Pennock®® of Kennett Square, in March, 
1886, published his original list, which apparently 
had a very limited circulation among ornithologists 
and is now quite scarce. This paper is compiled 
from the writer’s own observations and the published 
lists of his predecessors, and adds one new species 
to the county: the Wood Ibis, taken by his uncle, 
Vincent Barnard. In common with Michener, Pen- 
nock appears especially concerned in the economic 
value of the bird as revealed by its food habits, and 
his oological inclination given expression in brief 
notes on nidification. The list, though meritorious, 
exhibits every evidence of haste and is unequal to 
the high standard of his later papers. He has in- 
cluded Michener’s hypothetical species,?7 the ques- 
tionable Mississippi Kite, White Gyrfalcon and Red- 
cockaded Woodpecker, of which there appears no 
satisfactory record; as well as several other species 
without indicating that they had long since become 
locally extinct; on the other hand the Black-throat- 
ed Green Warbler has doubtless been omitted unin- 
tentionally. The list embraces 236 species, of which 
