APPENDIX. 
Anatomical description of Serpophaga albocoronata, Furnarius cunicularius, XJppu- 
certhia dumetoria, Opetiorhynchus vulgaris, O. antarcticus, O. Patagonicus, 
Pteroptochos Tarnii, P. albicollis, Synallaxis maluroides, P hytotoma rara, 
Trochilus gigas, Tinochorus rumicivorus* 
BY T. C. EYTON, Esq., F.L.S., &c. 
SERPOPHAGA ALBOCORONATA. Gould. (Male.) 
Tongue pointed, furnished with a few short bristles at the sides near the base. Trachea with the 
same muscles as among the warblers generally. ^Esophagus slightly funnel-shaped ; proven- 
tiiculus much expanded at its entrance into the gizzard, which is rounded, not very muscular, 
inner coat slightly hardened, smooth. Intestine of moderate size, furnished with two rudi- 
mentary caeca. 
inches 
Length of oesophagus, including proventriculus 1 
of gizzard f 
Breadth of ditto ^ 
Length of intestine from gizzard to cloaca 3J 
from caeca to cloaca 3^ 
The skeleton of this bird is precisely that of the smaller and weaker species of Laniadae. 
Length of sternum 5 
Breadth anteriorly 3 
posteriorly 4J 
Width of fissures 1 
Depth of ditto 1^ 
Depth of keel 2 
Length of pelvis 51 
Width anteriorly 21 
posteriorly 5^ 
Length from occiput to point of bill 12 
Breadth of head 5| 
Length of coracoids 
No of cervical vertebras 11 
dorsal ditto 7 
sacral ditto 9 
caudal ditto 6 
Total 33 
N o. of false ribs 1 1? 
true ditto 5 
Total 7 
I am much indebted to Mr. Eyton for these observations, which greatly add to the value of the previous descriptions 
