Toss 
136. 
138. 
6. Back paler grey. 
. Larger 
3. Bill slender, 
. Whole back dark oliwe-grey ; 
5. Back more strongly washed with olive ; 
. Upper back erther 
FAM. PARIDA: 
Smalley Vertical feathers much elongated. 
Breast and abdomen paler, chamots. 
2 wing 34-59 mm. 
Crest-feathers less elongated, not recurved 
teyminally 
Back darker grey. Crest- ia more elongated , slightly ve- 
curved terminally 
: wing 63-70 mm. 
Smalley : wing 55-63, very rarely 64 mm. 
culmen about 12 mm. . 
Bill stout, culmen about ro-rz mm. ae 
sides ee fede washed 
with buff. ae ae 
Upper and middle back pure bluish grey oe m P. ater eee 
yump only olive-grey ; sides and flanks creamy white 
. Back decidedly vufescent olive-brown 
Back dull brownish olive. 
. Upper back purely bluish grey, more or less contrasted with 
olive-grey of rump . fe 
Upper back oliwe-grey like the rump 
2. Bill thicker, stronger, its depth at base about 7.5-8.2 mm. Buff 
tinge on sides and flanks paler and more restricted; white 
apical spots on wing coverts smaller Beste 
Bill slender, weeker, tts depth at base rarely sista 7.5 mm. 
Buff tinge on sides and flanks brighter and more extended ; 
white apical spots on wing coverts larger 
Back move purely blue-grey. Feathers of occiput distinctly 
elongated, as to form a slight crest : : 
Back less purely blush grey. Feathers of deciped not ov very 
slightly elongated 
. Sides and flanks strongly washed with a rusty nuff 
Sides and flanks much paler, light buff 
buff tinge on sides and 
flanks slightly paler 
Back less decidedly washed with olwwe ; 
flanks deeper oe ie 
Back deep black like the ee nee 
Back never black, being either bluish grey, or light green, or 
» buff tinge on sides and 
ashy brown, 1 abrupt contrast with black of pileum 
wholly light green, or at least, anterior portion 
strongly washed with that colouwv. . . . . . “es 
Upper back bliash or blue-grey, without any green ov with but 
a faint greenish sheen immediately behind the whitish nuchal 
patch, or uniform greyish or earthy brown . 
Under parts lighter or deeper yellow, sometimes (P. m. aphro- 
dite) creamy with more or less of yellow on chest 
Under parts dingy crveamy or buffy white, without any yellow 
IOL. 
103. 
106. 
107. 
104. 
105. 
98. 
Ioo. 
99- 
94. 
g3. 
97- 
Hy 
dg 
- ATER PEKINENSIS,. 
- ATER MODIUS. 
ATER DERJUGINI. 
-. ATER MOLTCHANOVI. 
- ATER PHZONOTUS. 
- ATER MICHALOWSKII. 
. ATER ATER. 
- ATER INSULARIS. 
- ATER AMURENSIS. 
- ATER VIEIRA. 
- ATER BRITANNICUS. 
- ATER SARDUS. 
- NUCHALIS. 
126. 
128. 
Sse 
129. 
130. 
125 
134. 
113)3}. 
Tie 
138. 
150. 
139. 
147. 
