Heterospizias 
Hieraaétus 
Hieracidea (see leracidea) 
oer ece ee ee 
HIAGCVOLALCO At ye ete 207 
Dp CUCT a arecatene ss wteusts tor 13 
Tetimactus see tewwe «sax 115 
AC analy Aer sos eal 6 164 
Fenacidear. ot cee .s 6 211 
Kaupitaleo. 4 ce 0 bis 149 
Leptodon (see Odontrior- 
Chis)y =%....o) akan mere 
WeucopterilS 4.210. eee oe) 
Lophoaétus*-2.).c--2-- 121 
Lophogyps: s-i- eee 6 
Lophoictinia.- p=. 155 
Lophotrorchisisae 2s. 114 
Macherhamphus...... 174 
Megatriorchismmeee--« - 66 
Melierax: \..' Waeme egiee 30 
MICTASUUT *...:.ciraiaiel oy 24 
Macrohicrax Varies is: 179 
MalVvago .- a csepetle = aise 15 
IVI AAS |)... Seeds: anes & 152 
MOrphnuUs 2 ian ces Byes 103 
Nauclerus (see Chelic- 
CIMA). scicleis ois = alte 
INECKOSYELCS” 4.2 wees 11 
Neohierax;.. a.--eeuee 184 
INcophron:cs ssp ee 10 
INIESICT AN ¢ hac. tence ene 185 
Nisaetus (see Hieraaétus) 
BNISOIGES... Sc Lice «+ eels 49 
Odontmorchis  .:.:2e: 158 
Oroages. wins a eocovees 115 
Otogyps (see Torgos) . 
‘7 2 0(60 (0) 0p ae 231 
viii. 
Parabuteo 2... ./.s1oeee 29 
PEEnIS, Vit. ace cee 175. 
Pithecephagal ...3.20" 105 
PoOhO@Etus.. 25% soe 144 
Polihierax,. ...25:- she 183 
Polyboroides (see Gym- 
MOP EMMYS)! Tas aya 
Boly bormis® s.ctccpu-s ia) -es 12 
Pseudogryphus (see Gym- 
NORV PS) ai so yes ole « 
Pseudosyps ee sc asace 8 
Regerhinus (see Chon- 
drolrerax)\; 2%. ocuses: 
Khynchodon) 2. eee 198. 
Rhynchotalco” ~. se 210 
IROstrhaimils 455). eeee 156 
RUpOLisS ....e a). nee it 
Sagittanlus) eee Seer 5 
Sarcorhamphus ...... 2 
Serpentarius (see Sagit- 
Carls)!“ .asem sae 
Spllomise sees eee 128. 
SPIZACtls =... ease 116 
Spiziapteny x. oe seer pee 184 
SpPIZiastun sat wee ene 116 
Tachytriorchis (see Buteo) 
Terathopius |... ... -3.see bh 
Thalassoaétus ... i023 141 
Thrasaetus (see Harpia) 
LINNUNCUIUS ss pena 193 
POrs0S.5 5 ke os eee 9 
IG ONOCEPS) in. cieat ae 10 
Triorchis at. ac tc\syes see 87 
UrOaetus yes ils ie sre eae 107 
Urotriorehis*: 7.) se 28 
Urubitineas ) cee 96 
Wabitornis:- 15 .b ns ae 103 
Vaaltuny ie oss! kc mciee 1 
