26 Aves. 
AYES. 
[Seebohm, H.] A Comparative List of the Birds of Heligoland and 
those of the British Islands. Zool. xlix, pp. 261-268. 
— . Presidential Address to the Members of the Norfolk and Norwich 
Naturalists’ Society, March 31, 1891. Tr. Norw. Soc. v, pt. 2, pp. 
111-127. 
. [See also Laniidce, p. 62.] 
Service, R. Strange Roosting- place for Swallows. Zool. xlix, p. 352. 
[ Hirundinidce , p. 67.] 
Siiarpe, R. B. A Review of recent attempts to classify Birds ; an 
Address delivered before the Second Ornithological Congress. 1891, 
8vo, pp. 1-90, pis. i-xii. 
■. Catalogue of the Specimens illustrating the Osteology of Verte- 
brated Animals, recent and extinct, contained in the Museum of the 
Royal College of Surgeons of England. Partin. Class Aves. 1891, 
8vo, pp. i-lvii & 1-469. 
. Scientific Results of the Yarkand Mission ; based upon the col- 
lections and notes of the late Ferdinand Stoliczka. Aves. Royal 4to, 
pp. i-xix & 1-154, pis. i-xxiv. 
[Perdicidce, p. 5; Columbiformes, p. 37; Falconince , p. 47 ; Striges, p. 47; 
Capi tones, p. 54 ; Pici, p. 54 ; Corvidae, p. 56 ; Fringillince , p. 59 ; 
Paridce , p. 62 ; Sylviidce, p. 64.] 
. Monograph of the Paradiseidce [q.v. p. 56], or Birds of Paradise, 
and Ptilonorhynchidce [ q.v . p. 56], or Bowor-Birds. Part I, folio. 
. Notes on a second collection of Birds made by Mr. W. D. Cum- 
ming, at Fao in the Persian Gulf. Ibis, 1891, pp. 103-116. 
. On the Birds collected by Mr. F. J. Jackson during his recent 
expedition to Uganda through the territory of the Imperial British 
East African Company. T. c. pp. 233—260, with map [p. 235], 
pis. iv-vi. 
[ Eulabetidce , p. 57 ; Ploceidce , p . 57 ; Fringillince , p. 59.] 
. The same. Part ii. T. c. pp. 587-602, pis. xii & xiii. 
[Nectar iniidee, p. 61 ; Zosteropuice, p. 62 ; Laniidce , p. 62.] 
— Descriptions of fourteen new species of Birds discovered by Mr. 
F. J. Jackson in Eastern Africa. T. c. pp. 117-122. 
[Ploceidce, p. 58; Fringillince , p. 59 ; Pycnonotidce , p. 66; Muscicapidce , 
p. 67 ; Gampophagidce, p. 66 ; Hirundinidce , p. 67 ; Capitones, p. 54.] 
. Diagnoses of new species of Birds from Central East Africa. 
T. c. pp. 413-445. 
[Motacillidce, p. 60 ; Nectar inidee, p. 61 ; Zosteropuice , p. 62 ; Laniidce , 
p. 62 ; Turdidce, p. 63 ; Timeliidce, p. 66 ; Muscicapidce , p. 67.] 
