0 Avea. 
AYES. 
Belloncj, J. Ueber die oentrale Endigung des Nervus opticus bei den 
Vertebra ten. Z. wiss. Zool. xlvii, pp. 1-46, pis, i-viii, 4 cuts. 
[4 vea, pp, 16-18 ( Passer , Parus, Gallus, Columba), pi. v, 1 cut.] 
Belt, A. Birds of the Ealing District. Rep. Ealing Soc. 1887-88, 
pp. 12-18. 
Bendire, 0. E, Notes on a Collection of Birds’ Nests and Eggs 
from Southern Arizona Territory. P. U. S, Nat. Mus. 1887, 
pp. 551-558. 
There are several objects of interest, see especially Psultriparus 
(Par idee). 
. [See also Peuccea ( Fringillidce ), Polioptila (Sylvikhe), Sphyrapicus 
gen. ( Piddai ), Glaucidium ( Striges ).] 
Beneden, A. y. [See Corin, G.] 
Bennett, K. H. [See Pachycephala ( Laniidce ).] 
Berlepsch, H. v. [See Synalluxis coryi ( Dendrocolaptidce ), Myrmeciza 
houcardi ( Formicariidce ), Myiobius ridgivayi ( Tyrannidce ), Basileuterus 
godmani ( Mnioliltidce ), n. spp., Buarremon simplex, n. sp., Eucometis 
spodocephala pallida , E. s. stictothorax, E. cristata affinis, n. subspp. 
(Tanagridce), Campylorhynchus zonatus costaricensis ( Troglodytidce ), 
Icterus gularis yucatanensis (Icieridce), Certhia mexicana albescens 
( Certhiidce ), n. subspp., Cyclorhis ( Vireonidce ).] 
Beste, W. Ornithologisches aus der Cap-Colonie. Ornis, 1888, pp. 
667-670. 
Bianchi, V. Biologische Notizen iiber die im Sommer 1884 bei Uschaki 
(Gouvernement Nowgorod) beobachteten Vogel. Beitr. Russ. 
Reiches (3) iv, pp. 189-275. 
A useful paper, giving dates not only of capture of specimens, but also 
of taking of nests, of eggs in various stages, of young in different 
plumages, &c., with full details. The notes are preceded by a description 
of the country, and are followed by a table showing each bird’s status in 
the country. 
Bignon, Fanny. Recherches sur les rapports du systSme pneumatique 
de la t6te des Oiseaux avec le systeme d6pendant de l’appareil 
pulmonaire. O.R. Soc. Biol. 1888, pp. 357-360. 
From the case of the Pelican the authoress draws the following con- 
clusions, laying special stress on the last, while the first seems to be new : 
1, That the cervico-cephalic sacs are to be found in that bird; 2, That 
the cranial cellules in connection with these sacs are highly developed ; 
3, That the pneumatic system communicates with the pulmonary, by 
means of the vertebral sacs. 
. [See also Psittaci.'] 
Blasius, W. Die Vogel von Palawan. Ornis, 1888, pp. 301-323. 
This paper is based on collections made by Herr and Frau Platen at 
Puerto-Princesa, and contains 130 species and subspecies, 8 of which 
are new to science, 6 of them being originally described in the 
