48 4 ^ veH . 
XVII. Aves. 
[1919] 
Spheniacus humboldti habits on the 
Peruvian guano islands, Coker 161 
p. 466 pi. 63 
ORDER PROCELLARIIFORMES. 
Oceanodroma tristrami nesting habits 
on Laysan I., Hawaiian group, Willett 
807. 
Fregata measurements and descrip- 
tions of the races of Trinidad I., off 
Brazil, Ribeieo 611 p. 186. 
Puffinus chlororhynchus dichroma - 
tism, Loomis 442. — P. brevicaudatus 
destruction at Phillip I., Victoria, 
Gabriel 252. — P. heinrothi sp. n. 
Baltic, Reiohenow J. Ornith. 67 p. 226. 
— Reinholdia reinholdi figured with 
description, etc., etc,, Mathews 471 
p. 421 pi. 367. 
JEatrelata hasitata in mid-Atlantic, 
Bannbrman 56 p. 10 . — Pterodoma 
haeaitata P. diabolica are identical 
with description of original types, 
Bangs & Penard 53 p. 21. — Ptero- 
droma hypoleuca nesting habits on 
Laysan I., Hawaiian group, Willett 
807 . — trinitalia and arminjoniana 
measurements and description from 
Trinidad I., Ribeiro 611. — Pterodoma. 
inexpectata figured with description, 
etc., etc., Mathews 471 p. 426 pi. 368. 
Fulmarua glacialia breeding range in 
Ireland and elsewhere, Lindner 431. 
Prion forateri a list of the sub-species 
and note on nomenclature, Ober- 
HOLSER 554. 
Pelecanoidea garnoli habits and econo- 
mics on the Peruvian coasts, Coker 
161 p. 462. 
Diomedea chionoptera figured with 
description, etc., etc., Mathews 471 p. 
427 pi. 369. — D. irrorata variation and 
dichromatism, Loomis 441. 
[Thalaasogeron] Diomeded chryaoatoma 
recorded from W. Australia, Alexan- 
der 7. 
ORDER ALCIFORMES. 
The AuLs, etc., etc., of North and 
Middle America monographed, Ridq- 
WAY 618 
Life histories of N. American Auks, 
Bent 72, 
Uria 1. lomvia wrongly recorded from 
Belgium, Dupond 212. 
Fratercula arctica wrongly recorded 
as breeding in Rion I., Gulf of Lyons,. 
Hermitte 330. 
ORDER LARIFORMES. 
The Gulls, etc., etc., of North and 
Middle America monographed, Ridg- 
WAY 618. 
The Seissorbills and Skuas of Argen- 
tina, Dabbene 186. 
[Hydroprogne] Sterna caapia nesting 
in Manitoba, O’Donoghue & Gowan- 
LOCK 566 ; nesting on Lake Huron, 
Saunders 655. 
Sterna fluviatilia a biometrical study 
of the eggs. Rowan and others 642. — 
S. longipennia in Java, Bartels 59. — 
S. elegana status and occurrence in 
California, Grinnell 285. — Thalasseus 
bergii rectiroatria (Peale) in the Pau- 
matu Is. a distinct form, Townsend 
& Wetmore 764 p. 186. — S. bergii, 
S. melanauchen, S. anaeatheta nesting 
motes in Siam, Williamson 815. — 
Onychoprion fuacalua nesting notes 
on the Tortugas, Bartsch 60. — 
Sterna sp. bird-cult of Easter Island, 
Routledge 641. 
Anoua atolidua nesting notes on the 
Tortugas, Bartsch 60. — A. s. unicolor 
not a valid subspecies, Townsend 
& Wetmore 764 p. 183. — A. s. 
pileatua on the Tambelan Is., China 
seas, Oberholser 555 p. 136. 
[Micranoua'] Megalopterua melano- 
genya note on nomenclature, Townsend 
& Wetmore 764 p. 184. 
Rynchopa nigra pupil a vertical slit, 
Wetmore 788. 
Larua minutua occurrence in Sweden, 
Lonnberg 436. — L. ridibundua field 
notes. Mail 460. — L. fuliginosua sup- 
posed occurrence in Belgium, Con- 
treras 168. — L. dominicanua habits on 
the Peruvian coasts, Coker 161 p.458. — 
L. fuacua affinia status in the Canaries, 
Bannerman 55 p. 768. — L. fuacua and 
L. affinia status and relationship, 
Dwight 214. — L. fuacua x L. leucop- 
ierus, L. marinua x L. glaucua hybrids 
described, Lonnberg 432 435. — L. 
occidentalia livens subsp. n. L. Cali- 
fornia, Dwight Proc. Biol. Soc. Wash- 
ington 32 p. 11. — L. canua brachyrhyn- 
chus in Wyoming, Oberholser 532. — 
