44 
AVES. 
were absent or soon lost, whilst its beak, tongue, crop, and rectrices were 
after the normal pattern. Collating the structural details as above of 
the existing Psittacij a pedigree tree is formed, and a classification 
adopted as follows : — 
Sub-Ord. PSITTACI. 
Fam. I. PALALORNiTiiiDiE. Left carotid normal ; no ambiens muscle ; 
2 carotids (except in Cacatud). 
Sub-fam. 1. Pal^ornithin^. No further deviation. Palceornis, 
Eclectus, Aprosmictus, Tanygnathus^ Prioniturus, Psittinus, Lori- 
culus^ TrichoglossuSy Lorius, and Eos. 
Sub-fam. 2. Oa^atuin^. Orbital ring completely ossified, with pro- 
cess bridging temporal fossa. Calopsitta, Calyptorhynchus^ Lie- 
metis, Eolophus, Cacatua,. 
Sub-fam. 3. Strin goring. Furcula lost. String ops, Euphemay 
Geopsittacus, Melopsittacus, Agapornis. 
Fam. II. PsiTTACiDuE. Left carotid superficial. 
Divis. 1. Ambiens muscle present. 
Sub-fam. 4. Arin^. No further deviation. Ara, Conurus, Bolho- 
rhynchus, Caica, Psittacus, Pceocephalus, Nestor. 
Divis. 1. Ambiens muscle wanting. 
Sub-fam. 6. Pyrriiurina!!. No further deviation. Pyrrhura, La- 
thamus, Coracopsis, Pyrrludopsis. 
Sub-fam. 6. Platycercinj3. Furcula lost. Platycercus, Psephotis, 
Cyanorhamphus, Psitticula. 
Sub-fam. 7. Ohrysotin^. Oil gland lost. Chrysotis, Pionus, Bro- 
togerys. 
PsiTTACIDiE, 
Hume, A. O. Die Papageien, von Dr. O. Finsch. Str. Feath. ii. pp. 1-28. 
[See Bibliography.] 
ScHLEGEL, H. Bevue de la collection des Perroquets (Psittaci) faisant 
partie du Musee des Pays Bas. Leide : 1874, pp. 1-84. 
The collection of Parrots at Leiden now reaches the large number of 
2237 specimens, as against 1204 in 1864, when the author issued his first 
catalogue. Stringops is re-named Stringopsis, p. 43. 
Walden, Viscount. [See Bibliography.] 
Psittacus mauritianus. The tibia of this extinct species figured in 
various positions ; A. Milne-Edwards, Ann. Sc. Nat. (5) xix. pi. xv. [See 
Ethiopian Begion.] 
Necropsittacus rodericanus, g. & sp. nn. (foss.), Bodriguez, with affi- 
nities to Lotus and Palceornis. Upper and lower mandibles figured and 
described ; id. Ann. Sc. Nat. (5) xix. p. 18, pi. xiii. ; and Becherches, &c., 
p. 133, pi. xxxi. 
Conurus cyanolyscus and C. patagonus, Mol. & V., compared : they are 
probably specifically distinct. L. Landbeck, Arch. f. Nat. xl. pp. 114-116. 
Eclectus. A. B. Meyer, who has given much attention to this genus 
during his travels in New Guinea and the adjacent islands, finds by 
