46 LAWRENCE, Abnormal Coloring of Birds Plumage. | January 
59. Dendroica pensylvanica. CHESTNUT-SIDED WARBLER.—Common, 
extending up to the highest summits of the Taconic Mts. 
60. Dendroica blackburnie. BLACKBURNIAN WARBLER.—But one 
specimen observed, a male in full song, in a grove of white pines in Shef- 
field, June 20. 
61. Dendroica virens. BLACK-THROATED GREEN WarRBLER.— Not 
rare in pine woods. 
62. Seiurus aurocapillus. GoLDEN-CcROWNED THRUSH. — Common 
wherever there are woods. 
63. Seiurus noveboracensis. WATER-THRUSH.— One observed, June 
17, on the edge of a small stream near the village of Sheffield. Although 
the place was often visited afterward, I failed to see or hear the bird again. 
I did not meet with this species later in northern Berkshire. 
64. Geothlypis trichas. MARYLAND YELLOW-THROAT.—Common. 
65. Icteria virens. YELLOW-BREASTED CHAT.—One pair, Sheffield. 
66. Sylvania canadensis. CANADIAN WARBLER.—Not uncommon on 
the Taconic Mts. of southwestern Berkshire and Litchfield Co., Conn. 
67. Setophaga ruticilla. AMERICAN REDSTART.—Rare. 
68. Galeoscoptes carolinensis. CaTBirRD.—Common. 
69. Harporhynchus rufus. Brown THRASHER.—Not rare, although 
not nearly so common as in eastern Massachusetts. 
70. Troglodytes aédon. Housz Wren.—Common. 
71. WParus atricapillus. CHIcKADEE.—Not many were seen. 
72. Turdus mustelinus. Woop THrusH.—Common. 
73. Turdus fuscescens. WiLson’s THRUSH.—Common. A few ob- 
served well up towards the summit of the Dome. 
74. Turdus aonalaschke pallasii. EaAsterN Hermir THRusH.—Com- 
mon on the Taconic Mountains where it replaces to a great extent the Wood 
Thrush which is found only sparingly on the mountain sides. Also 
found to be abundant on Bear Mt., Salisbury, Conn. 
75. Merula migratoria. AMERICAN Ropin.—Abundant. 
76. Sialia sialis. BLUEBIRD.—Common. 
( To be continued.) 
KEMARKS UPON ABNORMAL COLORING OF PLU- 
MAGE OBSERVED IN SEVERAL SPECIES 
OF BIRDS. 
BY GEO. N. LAWRENCE. 
As it might be of interest and call’forth similar observations by 
others, I have concluded to put on record the instances that have 
