114 ARDE1D.5;. 



of N. picata is different. There is a specimen in the Salvin-Godman 

 collection, which shows that the j'ouug of that species is very like 

 the adult (vide supra), and quite unlike N. aruensis, which I consider 

 to be a good species. 



Hah. Northern Australia to the Aru Islands and probably to 

 Celebes. 



a. S ad. sk. Aru Islands. Wallace Coll. 



(Type of species.) 



b. Ad. sk. Port Darwin, X. Australia, August. Gould Coll. 



9. LEPTERODIUS. „ 



Type. 

 Lepterodas, Hempr. ^ Ehr. Symh. Phi/s. fol. i. (1832). ... L. gularis. 

 Lepterodius, Heine ^- Reichen. Nomencl. Mas. Hein. p. 306 



(1890) L. gularis. 



Range. Confined to Africa. 



Key to the Species. 



a. Smaller : culmen 3-0-3-3 inches ; colom- dark, black- 



ish slate-colour ffularis, p. 114. 



b. Larger : culmen 3-4-3-9 inches ; colour light slaty 



grey, the decorative plumes pearly grey asha, p. 116. 



I. Lepterodius gularis. 



Ardea gularis, Bosc, Actes de la Societe (THist. Nat. Paris, i. p. 4, 

 pi. 2 (1792) ; Wagler, Sijst. Av., Ardea, p. 181, sp. 19 (1827) ; id. 

 Ms, 1829, p. 661 ; Gray, Gen. B. iii. p. o56 (1847) ; Hartl. Orn. 

 W.-Afr. p. 220 (1857: Senegal; S. Thomas; Aguapim); id. 

 J. f. O. 1861, p. 269 (S. Thomas) ; Sckl. Miis. Pays-Bas, Ardea;, 

 p. "23 (1863: Rio Boutry; Red Sea); Do/irn, P. Z. S. 1866, 

 p. 330 (Prince's Isl.) ; Scl. t. c. p. 425 ; Hartl. P. Z. S. 1867, 

 p. 827 (Zanzibar) : Schl. S,- Poll. Faune Maday., Ois. p. 123 (1868) ; 

 Finsch ^- Hartl. Voy. Ostafr.\>. 691 (1870) ; Gray, Hand-l. B. iii. 

 p. 29, no. 10122 (1871) ; Hei/yl. Orn. N.O.-Afr. ii. pt. 1, p. 1059 

 (1873 : Coast of Red Sea and Gulf of Aden, north to the bays of 

 Akabah and Suez) ; Antin. Sf Salvad. Viayg. Bogos, p. 147 (1873 : 

 Massowa, April); Hartl. Vog. Madag. p. 299 (1877); Reichen. 

 J.f. O. 1877, p. 270 : E. Newton, P. Z. S. 1877, p. 302 (Mavotte) ; 

 Shelley, P. Z. S. 1879, p. 678 (Grand Comoro) ; Milne-Edic. ^■ 

 Grandid. H. N. Madag., Ois. p. 551 (1879-82) ; Scl. ^- Hartl. 

 P. Z. S. 1881, p. 173 (Socotra) ; Hartert, J.f. O. 1886, p. 605 

 (Cassa Isl. ; Tumbo ; Tamara). 



Ardea albicollis, Vieill. N. Diet. d'Hist. Nat. xiv. p. 409 (1817) ; id. 

 Gal. Ois. ii. p. 136, pi. 253 (1825). 



Ardea jugularis, pt., Less. Traite, p. 574 (1831 : Senegal). 



Ardea (Lepterodas) schistacea, Hempr. Sf- Ehr. Symb. Phys. Zool. 

 ii. fol. i. Taf. 6 (1832). 



Herodias schistacea. Gray, List GrallcB Brit. Mas. p. 79 (1844) ; 

 Bp. Consp. ii. p. 122 (1855) ; Henyl. Ibis, 1859, p. 346 (Red Sea). 



Herodias affinis. Gray, List Grallee Brit. Mus. p. 79 (1844 : W. 

 Africa). 



Herodias gularis, Gray, List Gralles Brit. Mus. p. 80 (1814) ; Bp. 

 Consp. ii. p. 122 (1855) ; Reichen. JB. Hamb. Wissensch. Anst. x. 

 p. 8 (1893 : Zanzibar). 



