ANSERES, STRUTHIONES. 
Aves. 59 
PODICIPIDIDiR. 
Centropelma micropterum : its habits described on Lake Titicaca ; 
S. W. Garman, Bull. Mus. C. Z. iii. p. 359. 
COLYMBID^. 
Colymhus arcticus (pts. Iv. & Ivi.) abd C. septentrionalis (pt. liv.) 
figured ; H. E. Dresser, B. Eur. 
Alcidj:. 
Mormon grabce distinct from M. arctica ; J. Vian, Bull. Soc. Zool. Fr. 
1876, p. 4. 
Plialeris psittacula : on its occurrence in Sweden, with figure of 
skeleton ; id. 1 . c. p. 1, pi. i. 
SPHENISCIDiE. 
Eudyptes schlegeli, sp. n., O. Finjj^ii, Tr. N. Z. Inst. viii. p. 204, Mac- 
quarie Islands. 
Spheniscus mendiculus figured ; O. Salvin, Tr. Z. S. ix. pi. Ixxxix. 
Tinamidj). 
Rhynchotus rufescens. Its myology examined ; E. Alix, J. Zool. v. 
p. 411. 
STRUTHIONES. 
Struthionid^. 
Diatryma, g. n. Type, D. gigantea[^-cum']^ sp. n., based upon a tarso 
metatarsus from the Eocene of New Mexico. E. D. Cope, P. Ac. 
Philad. 1876, p. 10, and J. Zool. v. p. 264. 
CASUARIlDiE. 
Casuarius. List of six species living in the Zoological Society’s 
Gardens; P. Z. S. 1876, p. 414. C. australis •. habits, &c., described; 
E. P. Ramsay, P. Z. S. 1876, p. 119. 
APTERYGIDiE. 
Apteryx oweni: on its occurrence at high altitudes in New Zealand ; 
W. L. Buller, Tr. N. Z. Inst. viii. p. 193. 
