THERISTICUS. — HARPIPEION. 147 



black, some of the feathers tipped or edged with brown ; greater 

 upper wing-coverts and outer webs of the secondary quills white ; 

 bastard-wing, primary-coverts, and quills blue-black, some of the 

 latter brown at the tips, like the axillaries and under tail-coverts ; 

 under wing-coverts bottle-green ; abdomen rusty brown, somewhat 

 darker on the breast. " Iris red " (//. Wliitehj). 



Total length 750 mm., culmeu 150, wing 395, tail 200, tarsus 86. 



Adult female. Similar to the adult male. Wing 383 mm. 



The male described was collected on the Great Rupununi 

 Savanna in December 1900 by Mr. J. J. Quelch. 



Breeding-$eason. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



E(igs. Undescribed from British Guiana. 



Ranrie in British Guiana. Great Hupununi Savanna {McCon- 

 nell collection) ; Annai ( Wldteh/). 



Habits. Schomburgk states (Reis. Guian. iii. p. 757) that this 

 species lives in small numbers of from eight to ten scattered over 

 the savannas. During their morning flight one hears their far- 

 sounding call. They are occasionally found in large numbers on 

 the sand-banks of rivers. Their favourite haunts appear to be the 

 dried-up marshes and savannas. The nidification is unknown. 

 It is called KoateJi by the '• Macusis." 



Genus HARPIPRION Wagl. 



Sarpiprion Wagler, Isis, 1832, p. 1232. Typo H. cai/ennensis (Gmel.). 



The characters by which this genus is distinguished are a short 

 nuchal crest of metallic feathers, chin and a line on each side of 

 the throat bare, lores also bare but with no warty papilla?, and 

 the anterior portion of the tarsus reticulated. 



93. Harpiprion cayennensis. 

 Cayenne Ibis. 



llarpiprioH cayennensis (Gniel.), Syst. Nat. i. p. Go2, 1789 (" Ilabitjxt 

 in Cayeniia "j ; Salviii, ibis, lf580, p. 172 (Hartica Grove, Cania- 

 cusa) ; l^uelcli, Tiniuhri (2^ ii. p. 373, 1888 CAbary Kivcr), iv. 

 p. 331, 18SJ0 (lierbicu liivur), v. p. 1U7, 18U1 (GeorgL-town) ; 

 Sliarj>e, Cat. 13. Jirit. Mu.s. xxvi. pp. 2o, 205, 185J8 ; JJraljouruc A 

 Chubb, B. S. Anicr. i. p. 47, no. 118, 1SJ12. 



Ibis cayennensis Cab. in Sclionil). Jieis. Guian. iii. p. 7-37, 1818. 



Ibis itifuscaia (nee Licht.j, Cab. in Sclionib. Keis. Guian. iii. j). I'A't, 

 1848; Hrown, Canoe ami ('aiiip Lit.-, p. 21, 1870 (Cuyuni liivtrj. 



L 2 



