398 PALCONID^. 



Upper surface, including sides of face, entirely black, with narrow 

 whitish tips to the secondaries ; throat and sides of neck rich buffy 

 white ; rest of under surface rich chestnut, with broad streaks of 

 black, which become narrower on the thighs, abdomen, and under 

 tail-coverts ; under wing-coverts black, edged and streaked with 

 chestnut ; quills and tail black, with rufous bars on the inner web. 

 Total length 11-8 inches, wing 9-2, tarsus 1.-35. 



Adult female (marked a male in the Leiden Museum, but probably 

 in error : type of the species). Smoky black above and below, some 

 of the scapulars imperceptibly shading off into dull ashy brown, very 

 indistinct; secondaries very narrowly tipped with buffy white; 

 throat creamy white, streaked on the lower part Avith black ; under 

 surface of body black, with a few remains of chestnut edgings to the 

 feathers of the abdomen and flanks ; thighs chestnut, streaked with 

 black ; under tail-coverts black, broadly spotted and tipped with 

 rufous ; tail black, tipped with rufous, with a few rufous bars on the 

 under surface, and also a few on the inner webs of the primaries ; 

 under wing-coverts black, tipped with deep chestnut. Total length 

 12-4 inches, oulmen 0-9, wing 9-6, tail 5-7, tarsus 1-45. 



Hah. Ceram, Gilolo. 



Ohs. Professor Schlegel has figured this bird (Z.c.) in its two stages 

 as above described, and he now places them in the Leiden Museum 

 along with F. severus instead of F. lumilatus. Whether it is merely 

 an accidental melanism which takes place in the southern habitat of 

 F. severus, as Prince Bonaparte and Prof. Schlegel consider, we shall 

 wait for a larger series to determine. At present it seems to me to 

 be a distinct bird, replacing F. severus in Gilolo and Ceram, the 

 latter bird not reaching beyond Celebes. The title is derived from 

 Temminck's MS. name in the Leiden Museum (c/. Bp. Consp. p. 25, 

 sub F. severus). 



17. Falco limulatus. 



Lunated Falcon, Znth. Gen. Spi. Suppl. ii. p. 54 (1801). 



Falco lunulatus, Lath. Ind. Orn. Stippl. ii. p. xiii (1801) ; Strickl. 



Orn. Sipi. p. 89 (1855) ; Gould, Ilandb. B. Austr. i. p. 29 (1865) ; 



Schl. lievuc! Accipitr. p. 39 (1873). 

 Sparvius lunulatus, Vieill. N. Diet. d'Hist. Nat. x. p. 324 (1817). 

 Falco longipennis, S^v. An. in Menaq. p. 341 (1837). 

 Falco frontatus, Goxdd, P. Z. 8. 1837, p. 139 ; id. Stjn. B. Austr. 



pi. 3. fig. 1 (1838) ; id. B. Austr. fol. i. pi. 10 (1848) ; Schl. Vog. 



Nederl. Ind. pp. 6, 146, pi. 2. figs. 4-6 (1866) ; Diggl. Orn. Austr. 



pt. ii. (1869). 

 Hypotriorchis frontatus, Gray, Gen. of B. i. p. 20 (1844) ; Bp. Consp. 



p. 25 (1850) ; Kaup, Contr. Orn. 1850, p. 65. 

 Falco subbuteo frontatus, Schl. Mus. P.-B. Falc. p. 22 (1802). 

 Hypotriorchis lunulatus, JVall. Ibis, 1868, p. 5 ; Grag, Hand-l, B. i. 



p. 20 (1869). 



Adult male. Above slaty blue, lighter on the back and rump, 

 darker and browner on the head, the nape tinged with- rufous ; quills 

 brown, secondaries inclining to slaty blue like the back, primaries 

 barred with rufous on the inner web ; tail bluish grej, banded with 



