354 
ON THE CLASSIFICATION OF BIRDS. 
A. cinerea. Selby, ii. pi* 2. palliata. Spix, pi. 90. 
Hcrodias. Wil. 65. f. 2. pacifica. 111. Orn. pi. 90. 
Egretta, Brisson. Egrets.* {fig. .307. 5) BiU more 
slender : the culnien inclining towards the tip, and bent 
downwards : the commissure slightly gaping towards 
the end ; the margins serrated : the gonys short, 
slender, and not ascending. Scapular feathers (typi- 
cally'' very long, and divideil into detached filaments, 
Legs^long. Inner toe shorter than the outer. 
E. Americana. Wil. 61.f.4. 
alba. Naiiman, 46. (. 91. 
flavirostris. Wagler, 9. 
Garzetta. Auctorura. 
can<rKli8siraa.Wil.62. f.4. 
russata. PI. Enl. 910. 
coraata. Selby, ii. pi. 6. 
Agarai. PI. Enl. 859. 
guiaris. West. Af. ii. 
unieolor. Ib. ii. 
casrulea. Wil. 62. f. 3. 
nigeriima. 'Wagler, 22. ? 
Ludoviciana. Wilson, 64. f. 1. 
* Aberrant, leading to TSutor. 
scapularis. PI. Enl. 908. Part 
5. No. 155. 
virescens. Part 5. No. 156. 
Javanica. Ib. No. 158. 
tbalassina. Ib. No. 157. 
plumbea. Ib. No. 159. 
Butor, Antiq. Bitterns. Bill as in Arden. Face 
naked. Legs almost or quite feathered to the knees. 
Inner toe considerably longer than the outer. Claws 
long, slender, very slightly curved {fig. 307- c). An- 
terior scales transverse. The grallatorial type. 
B. stellaris Selby, ii. pi. 8. exilis. Wilson, 65. f. 4. 
Americana. Wil.pl.6.5.f.3. minutus. Selby,n.pl.6. 1. 1,2. 
Tigrisoma,?,vf. Tiger Bitterns. Bill as in Ardea. Face, 
and sometimes the chin, naked. Legs almost feathered 
to the knees. Inner toe rather shorter than the outer. 
Claws short, stout, regularly curved {fig. 307./). An- 
terior scales reticulate or hexagonal. The rasorial type. 
T. lincata. PI- Col. 860. 
JYyctiardca, Sw.t Night Herons. BiU rather short, 
' broad, stout. Culmen curved from the base ; the tip 
bent, and deeply notched ; cutting margins curved. 
have considerably extended the limits of this subgenus, which the 
• I have conSBlcrauiy extennen ine muiu! ui ima ouuij\,uwa, ^ 
nrince of Musigmiuo restricts to the white egrets only. 
+ Kyeticoriw, implying a resemblance altogether false, I have 
rhf! true meaning of the vernacular name by which tl 
to proiiose the true meaning 
are so well known. 
ventured 
these birds 
