GENERAL INDEX. 
Holland, on the irruption of Nut- 
crackers into, 1901, 853; onthe occur- 
rence of Cery/e alcyon in, 1901, 358. 
Holland, W. J., on birds from near 
Mombasa, noticed 1906, 720. 
Holub, E., obituarial notice of, 1902, 
521. 
Honduras, on birds from, noticed 1904, 
640. 
Honey-guide, habits of, in Abyssinia, 
igor, 745. 
Honolulu, report of the Bernice Pauahi 
Bishop Museum, noticed 1906, 379. 
Hopkins-Stanford Galapagos expedi- 
tion, on the birds of the, noticed 
1904, 303. 
Hornbills, the nesting-habits of, 1901, 
746. 
Hose, C., on birds from Northern 
Celebes, noticed 1903, 617. 
Huaeucha Mountains, Arizona, on the 
birds of the, noticed 1904, 659. 
Huber, J., on the nest of Ostinops 
decumanus, noticed 1904, 155; 1995, 
483. 
Hudson, W. H., ‘Nature in Down- 
land,’ noticed 1901, 335; ‘ Birds and 
Man,’ noticed 1902,343; ‘ Hampshire 
Days, noticed 1903, 618. 
Hudson Bay, on the biology of, noticed 
1903, 260. 
Hummineg-birds, on the affinities of 
the, noticed 1902, 338; on a collection 
of, from Ecuador and Colombia, 
noticed 1902, 668; observed in Peru, 
noticed 1903, 132. 
Hungary, on birds of, noticed 1902, 
671; 1903, 620; 1904, 163; on the 
migration of the Swallow in, noticed 
1906, 378. 
Hutton, F. W., on migratory birds in 
New Zealand, noticed 1902, 344; 
remarks on the flight of Albatrosses, 
1903, 81; letter on the species of 
Albatrosses, 1903, 265; note on the 
genus Certhiparus, 1903, 318; on 
the Curlew-Sandpiper in New Zea- 
land, noticed 1905, 280; obituarial 
notice of, 1906, 361. 
,and Drummond, J., ‘ Animals of 
New Zealand,’ noticed 1905, 125. 
Hybrids, Martorelli on, noticed 1902, 
154; between the Guinea-fowl and 
Common Fowl, noticed 1903, 253; 
among Norwegian birds, noticed 
1906, 713. 
‘Teeland,’ Slater’s ‘ Birds of,’ noticed 
1901, 739; on an expedition to the 
SER. VIII.—VOLS. I.—VI. 
XVll 
North of, noticed 1903, 117; Se- 
mundsson’s Zoological Notes from, 
noticed 1905, 132; the Knot reported 
as breeding in, 1905, 105; on the 
birds of, noticed 1905, 633. 
Ihering, H. v., ornithological notes from 
South Brazil, 1901, 12; on the birds 
of Cantagallo and Nova Friburgo, 
noticed 1g01, 133; on the birds of 
Rio Grande do Sul, noticed 1901, 
134; on nests and eggs of Brazilian 
birds, noticed 1g01, 134; on the 
birds of Sao Paulo, Brazil, noticed 
1903, 421; on the birds of Para- 
guay and St. Paulo, noticed 1905, 
280. 
Incubation, on the decrease in the 
weight of eggs as incubation advances, 
1904, 376, 662. 
‘Index Animalium,’ Sherborn’s, no- 
ticed 1903, 626. 
India: on Indian birds’ eggs and their 
variations, 1901, 411; on the Ducks 
of, noticed 1901, 514; distribution of 
vertebrate animals in, noticed 1gor, 
723 ; 1902, 337; on abrupt variation 
in Indian birds, noticed 1903, 119; 
on the nidification of birds of, 1906, 
84, 257. 
Indian Museum, Guide to the Bird 
Gallery in the, noticed 1901, 328; 
list of the birds in the, noticed 1go02, 
147. 
Ingogo, Natal, on birds obtained or 
observed at, 1904, 519. 
Innes, W., ‘ Journey to the White Nile,’ 
noticed 1903, 421. 
‘International Catalogue of Scientific 
Literature,’ noticed 1904, 645; 1906, 
586. 
Intestinal tract of birds, Mitchell on 
the, 1gor, 522. 
Irby, L. H., obituarial notice of, 1905, 
5OL. 
Ireland, Ussher and Warren’s ‘ Birds 
of, noticed 1go1, 147 ; bird-migration 
in, 1902, 508; 1903, 251; on the 
bird-fauna of, noticed 1903, 629. 
‘Trish Naturalist,’ noticed 1091, 134; 
1g02, 153; 1904, 155; 1905, 483; 
1906, 370. 
‘Isle of Wight,’ Kelsall and Munn’s 
‘Birds of Hampshire and the,’ no- 
ticed 1906, 372. 
Tssik-kul (Lake), Russian Turkestan, on 
birds collected south of, noticed 1903, 
130. 
Italy: letter on the collection of birds 
of the King of, 1902, 523; ‘ Manual 
of the Ornithology of, noticed 1904, 
