AVES. 425 



Polyplectron TEMM. (species of Pavo L. and Cuv.). Bill slender, 

 straight, curved at the tip, covered with plumes at the base. 

 Nostrils partly concealed by membrane, open anteriorly. Tarsi 

 covered in front with a single row of scutella, continued from the 

 row of outer toe, armed in males with two or three spurs, in females 

 tuberculate. Claws small. Tail broad, rounded. 



Sp. Polyplectron bicalcaratum, Pavo bicalcaratus L., BUFF. PI. enl. 432, 493, 

 Malacca ; Polyplectron chinguis TEMM., Pavo tibetanus BRISS. Ornith. I. 

 Tab. 28, fig. 2, TEMM. PL color. PL 539; China, very similar to the pre- 

 ceding; Polyplectron chalcurum TEMM., PL color. 519, Sumatra. 



Crossoptilon HoDGS., GRAY. Bill shorter than head, curved at 

 the tip, with upper mandible prominent beyond the lower. Nostrils 

 basal, lateral, with aperture ample, suboval, partly covered above by 

 membrane. Tarsi covered anteriorly with a double row of large 

 scutes, spurred; claws large, strong. Wings moderate, rounded, 

 with fourth, fifth, and sixth quills subequal, longest of all. Tail 

 broad, long, bent, with 18 broad feathers, the coverts elongate, 

 covering the base of tail. Orbital region naked, papillose; the 

 feathers lax, like hair. 



Sp. Crossoptilon auritum GRAY, PJiasianus auritus PALLAS, Zoogr. Rosso- 

 Asiat. n. pp. 86, 87, GRAY Gener. PL cxxv. ; Thibet, China. 



LopJiopJiorus TEMM., Monaulus YIEILL. Bill moderate, vaulted, 

 with hooked tip of upper mandible produced beyond lower. 

 Nostrils basal, lateral, partly covered by membrane. Orbital region 

 unplumed. Feet with tarsi long, spurred, in females tuberculate, 

 with hallux inserted somewhat high, insisting on point. Wings 

 with fourth and fifth quills longest. Tail straight, rounded. 



Sp. LopJiophorus refulgens TEMM., PJiasianus impeyanus LATH. Suppl. n. 

 p. 208, PL 114, TEMM. PL color. PL 507 male, LESS. Ornith. PL 85, Ccv. 

 R. Ani., ed. ill., Ois. PL 59, fig. 3, from Nepaul ; the cock is one of the 

 most resplendent birds, with an elegant tuft ; the hen is of a dull-brown 

 colour. 



Argus TEMM. Bill moderate, straight at the base, curved at 

 the tip. Nostrils lateral, partly covered by membrane. Head and 

 neck somewhat naked. Tarsi longer than middle toe, covered in 

 front with a single row of large scutes, unarmed. Wings with 

 secondaries exceeding the primaries in length. Tail elongate, com- 

 pressed, with 12 feathers, the two middle longest. 



