454 Recently published Ornithological Works. 
is the same. M. Mulsant adheres to his terms “machoire” 
for what we prefer to call the mandible of the beak, and 
“ mandibnle ” for the upper mandible or maxilla, which is to 
be regretted, as ornithologists are not likely to adopt his no¬ 
menclature. A Latin description is given of each species as 
well as a French one. Minute measurements and full synonymy 
with references make this part of the work very complete. 
The geographical distribution of each species is also given; 
this is of course much more ample than in the former work, 
and, we are happy to add, more accurate; still we see room 
for improvement. We can hardly accept Guatemala as com¬ 
prised within the range of Euiosceres aquila without good 
authority; nor can we credit the statement that Phaethornis 
eurynome occurs in Chili; nor do we believe that Campylo- 
pterus pampa inhabits New Granada, it having not hitherto 
been found southward of the limits of Guatemala. 
M. Mulsant does not follow Mr. Gould in his excessive 
multiplication of species, but goes further than any one has 
yet done in uniting birds hitherto supposed to be specifically 
distinct. We are not disposed to demur to this treatment, 
especially as all the so-called races or varieties are mentioned 
separately in the text attached to the species to which they 
are said to belong. Having thus briefly noticed the chief 
features of M. Mulsant’s work, which will, when finished, be 
of great use to those studying this fascinating group of birds, 
we wish him all success in his undertaking. 
After a long interval Professor Schlegel has resumed the 
issue of his well-known work, the f Museum d'Histoire Na- 
turelle des Pays-Bas the 10th livraison of which was pub¬ 
lished last year. The contents include the Aves Struthiones, 
the Columbse, and a review of the Rapaces. 
In continuing to place the Dodo and its allies with the 
Struthiones, Prof. Schlegel occupies what must, we believe, 
be now considered an isolated position—all who have recently 
studied the remains of these remarkable birds, with one accord 
* Museum d’Histoire Naturelle des Pays-Bas. Par H. Schlegel. Con- 
tenu de la 10 me Livraison: 1. Aves Struthiones, pp. 14; 2. Aves Columbse, 
pp. 180: 3. Aves Rapaces (Revue), pp. 156. 8vo: Leyden, 1873. 
