150 Letters, Announcements, &c. 
1873. 
On the Value in Classification of a Peculiarity in the An- 
terior Margin of the Nasal Bones of certain Birds. P.Z.S. 
1873, p. 33. 
On the Carotid Arteries of Birds. P.Z.S. 1873, p. 457. 
On some Points in the Anatomy of Steatornis. P.Z.S. 
1873, p. 526. 
On certain Muscles of the Thigh of Birds, and on their 
Value in Classification. Part I. P. Z. 8. 18738, p. 626. 
1874. 
On certain Muscles of Birds and their Value in Classifica- 
tion.—Part II. P.Z. 8. 1874, p. 111. 
On some Points in the Anatomy of the Columbe. P.Z.S. 
1874, p. 249. 
On the “ Showing-off” of the Australian Bustard (Hu- 
podotis australis). P.Z.S. 1874, p. 471. 
On Points in the Anatomy of the Parrots which bear on 
the Classification of the Suborder. P.Z.S. 1874, p. 586. 
Further Note on the Mechanism of the ‘“ Show-off” in 
the Bustards. P. Z. 8. 1874, p. 673. 
1875. 
On a Point in the Mechanism of the Bird’s Wing. P.Z.S. 
1875, p. 82. 
On the Form of the Lower Larynx in certain Species of 
Ducks. P. Z. 8. 1875, p. lol. 
On the Form of the Trachea in certain Species of Storks 
and Spoonbills. P. Z. 8. 1875, p. 297. 
On the Disposition of the Deep Plantar 'Tendons in dif- 
ferent Birds. P. Z. 8. 1875, p. 339. 
Note on two Pigeons, lanthenas leucolema and Erythrenas 
pulcherrima. P.Z. 8. 1875, p. 367. 
1876. 
On a Peculiarity in the Carotid Arterics and other Points 
