168 BIRDS OF THE 
Surniculus lugubris Salvad. Ucc. Born. p. 63; Everett, L. B. Born. 
p- 172; Sharpe, Ibis 1890, p. 10. 
Three adult specimens from Mount Kenepai, Nanga 
Raoen and Liang Koeboeng and eight adult specimens 
from the Upper Mahakkam, — Iris dark brown, bill black, 
feet purplish, soles ochre-yellow. 
Hab. From India and Ceylon to South China, Southern 
Philippines, Borneo, Sumatra and Java (Shelley, Cat. B. 
Br. Mus. XIX, p. 227, mentions Batchian as habitat of this 
species, but this is undoubtedly an error, this species being 
represented on that island by S. Musschenbroeki Meyer). 
44, Penthoceryx pravatus. 
Cuculus pravata Horsf. Trans. Linn. Soc. XIII, p. 179 (1822). 
Penthoceryz pravatus Salvad. Ucc. Born. p. 63; Sharpe, Ibis 1890, 
. 10. 
Gactunaei pravata Butt. N. L. M. 1887, p. 27. 
Cuculus Sonnerati Everett, L. B. Born. p. 170; Shelley, Cat. B. Br. 
Mus. XIX, p. 262. 
An adult male (N° 1002) from Mount Liang Koeboeng. — 
Tris brown, bill black, lower mandible horny gray, feet 
yellowish green. 
Hab. South-eastern Asia, Malay Peninsula and Sunda 
Islands. 
This species is mentioned, as quoted above, under the 
name of Cuculus Sonnerati by Everett and Shelley. I feel, 
however, obliged to maintain the generic name Penthoceryx 
for the two species Sonnerati and pravatus, convinced as 
T am that these two species cannot be placed in the genus 
Cuculus proper. This latter is always characterized by more 
or less pronounced longitudinal shaft-spots on at least 
some of the tail-feathers, which character is quite peculiar 
to this genus only, and as it is not found in Cacomantis 
Sonnerati and C. pravatus, which two species are, moreover, 
much smaller than the average size of Cuculus, I do not 
hesitate to place them under the generic name Penthoceryx 
as proposed by Cabanis and Heine and later on maintained 
by Salvadori and other ornithologists. 
Notes from the Leyden Museum, Vol. XXI. 
