48 Aves 
III. AYES. 
Order ALCIFORMES. 
See Eimer & Fickert (209). 
Notes on the Osteology and systematic position ; Shufeldt, Amer. 
Natural, xxxv, pp. 541-551 cum fig. 
Plautus impennis , exhibition of an egg ; Bid well, Bull. B. 0. C. xi, p. 49. 
Alca torda, notes on ; Brusina, Boll. Soc. zool. Ital. (2) ii, pp. 213-225. 
Uria troile (L.) var. rliingvia (Briinn.), figured ; Swenander, Bih. Svenska 
Ak. 26, Afd. iv, No. 3, Taf. n : U. brunnichi , figured ; id. t. c. pi. 3 : 
U. lomvia , in Lewis and Jefferson Counties, New York ; Miller, Auk 
xviii, p. 188. 
Mancalla , n. g. Type M. calif brniensis, n. sp. [Fossil] Miocene of California ; 
Lucas, P. U. S. Mus. xxiv, No. 1245, pp. 133 & 134. 
Pseuduria snowi, egg figured ; Oates, Cat. Eggs, pi. xii, fig. 6. 
Ptychorhamphus aleuticus, egg figured ; Oates, t. c. pi. xii, fig. 5. 
Simorhynchus pusillus, egg figured ; Oates, t. c. pi. xii, fig. 7. 
Cyclorrhynchus psittaculus , in California ; Loomis, Auk xviii, p. 104. 
Fratercula arctica, breeding on the Shiant Islands ; Workman, Zoologist 
1901, pp. 429 & 430. 
Order LABIFORMES. 
See Eimer & Fickert (209). 
Morphology of the Palate ; see Pycraft (571). 
Hydrockelidon surinamensis, egg figured ; Oates, Cat. Eggs, pi. xiii, fig. 5. 
Pha'ethusa magnirostris, egg figured ; Oates, t. c. pi. xiii, fig. 8. 
Seena seena , egg figured ; Oates, t. c. pi. xiii, fig. 7. 
Sterna melanogaster , egg figured ; Oates, t. c. pi. xiii, fig. 6, S. albistriata , 
fig. 1, S. virgata, fig. 3, S. vittata, fig. 2, S. forsteri , fig. 4, S. hirundi- 
nacea , fig. 9, S. longipennis , pi. xiv, fig. 4, S. albigena , fig. 5, S. maxima , 
fig. 7, S. frontalis , fig. 6, S. aleutica, fig. 9, S. lunata , fig. 8, S. nereis , 
fig. 1, S. saundersi , fig. 2, S. antillarum, fig. 3, S. superciliaris, pi. xv, 
fig. 1, S. melanauchen , fig. 3, S. trudeaui , fig. 7. 
Sterna hirundo , its moults and plumages ; Dwight, Auk xviii, pp. 54-56 : 
S. melanauchen , S. dougalli and S. sinensis, breeding on Ree Isl., 
Tiandoe group ; Hartert, Nov. Zool. viii, p. 98 : S. cantiaca on the 
island of Jordsand (near Sylt); Hartlaub, Ornith. Monber. ix, p. 155: 
S. bergii boreotis , n. subsp., Liu Kiu Is. ; Bangs, Bull. Mus. Harvard 
xxxvi, pp. 256 & 257 : S. fuliginosa near Manchester ; Saunders, 
Bull. B. O. C. xii, p. 26 : S. nereis , nestling, four days old, described ; 
Hall, A'ictorian Natural, xviii, pp. 24 & 25 : S. minuta, breeding at 
Barra; Macgillivray, Ann. Scott. Nat. Hist. 1901, p. 237. 
Procelsterna ccerulea , egg figured ; Oates, Cat. Eggs, pi. xv, fig. 2. 
Anous ridgwayi , egg figured ; Oates, t. c. pi. xv, fig. 6 : A. galapagensis , 
fig. 5 : A. pidlus , n. sp., Liu Kiu Is. ; Bangs, Bull. Mus. Harvard xxxvi, 
p. 258 : A. hawaiiensis, notes on ; Henshaw, Ibis 1901, pp. 196-200. 
Micranous diamesus, n. sp., Cocos and Clipperton Islands; Heller & 
Snodgrass, Condor iii, pp. 76 & 77. 
Rhynchops nigra , egg figured ; Oates, Cat. Eggs, pi. xv, fig. 8 : R. melanura, 
fig. 9 : R. albicollis, fig. 4. 
Xema sabinei, its changes of plumage ; Bureau, C. R. Congr. Orn. hi, 
pp. 285-306 : egg figured ; Oates, Cat. Eggs, pi. xviii, fig. 3 : in 
Germany; Le Roi, Ornith. Monber. ix, p. 52: in Wisconsin; 
Hollister, Auk xviii, p. 392 : in New Mexico ; Britwell, Auk xviii, 
p. 113 : changes of plumage ; Bureau, C.R. Congr. Orn. hi, p. 27. 
Creagrus furcatus , egg figured ; Oates, Cat. Eggs, pi. xvi, fig. 3. 
Gavia Gm . = Larus Linn. ; Allen, Auk xviii, pp. 270 & 271. 
