35 
NEOTROPICAL REGION, ANATOMY AND PHYSIOLOGY. 
C Mentions 48 species, of which 7 have not been met with else- 
where, one of them being new ( Tyrannidae) ,) 
Hudson, W. H. On the Habits of the Swallows of the Genus 
Progne met with in the Argentine Republic IHirundinidae] . 
. Further Notes on the Swallows of Buenos Ayres ^Hirun- 
dinid(R \ . 
^ / Salvin, O. Notes on the Birds of Nicaragua, based upon a col- 
lection made at Chon tales by Mr. Thomas Belt. Ibis, 1872, 
pp.311-323. 
? Mentions 82 species. Some remarks on the Nicaraguan 
Ornis in relation to that of the neighbouring countries are pre- 
fixed.^ 
ScLATER, P. L. [See Hudson, W. H., and Semper, J. E.] 
f Semper, J. E. Observations on the Birds of St. Lucia. With 
^ notes by P. L. Sclater. P. Z. S. 1872, pp. 647-053. 
'In continuation of a former paper (Zool. Rec. viii. p. 43). 
Geed field-notes on the 31 species observed^ 
y Sperling, R. M. Letter from. Ibis, 1872, pp. 74— 79. 
Refers to various South-American Birds and some ProceU 
lariidm.j 
ANATOMY AND PHYSIOLOGY. 
f Cunningham, R. O. On some points in the Anatomy of the 
Steamer Duck {Micropterm cinereus)* \Cf/Loo\. Rec. viii. 
p. 74.] 
Darwin, F. [See Garrod, A. H.] 
Garrod, a. H. On the M 
P. Z. S.1872,pp. 525-^ 
( Describes this organ in Ans^r. f 
echanism of the Gizzard in Birds. 
29. 
. Notes on the Anatomy of the Hiiia Bird {Heteralocha 
gouldi ) . Tom. cit. pp. 643-647. 
( This bird shown to belong to the Sturnida;. ) 
. Note on the Tongue of the Psittacine genus Nestor. 
Tom. cit. pp. 787-789. 
This organ in Nestdr differs much from that of the Trichoglossi ^ and the 
form, therefore, should not be associated with that group.y 
. Notes on some of the Cranial Peculiarities of the Wood- 
peckers. Ibis, 1872, pp. 357-360. 
The author says that 1 in the Picidco the vomer is situated between the 
palatals. 
D 2 
