CHAETORNIS. — CHAETURA. 
625 
albigularis Bonaparte, Compt. rend. 1856. XLII. 883. = Francolinus albi- 
gularis Gray. 
capensis Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus capensis 
Steph. 
Clappertoni Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus Clap- 
pert oni Gray. 
concentricus Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus con- 
centricus Gray. 
Erkelii Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus Erkeli Rüpp. 
gariepensis Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus garie- 
pensis Smith. 
gutturalis Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus guttu- 
ralis Rüpp. 
Levaillanti Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus Le- 
vaillanti Gray. 
natalensis Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus nata- 
lensis Smith. 
pileatus Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus pileatus 
Smith. 
pondicerianus Swainson, Classific. Birds II. 344. = Francolinus pondicerianus 
Gray. 
Rüppelli Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus Ruppelli 
Gray. 
striatus Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus striatus 
Gray. 
subtorquatus Bonaparte, Compt. rend. 1856. XLII. 882. = Francolinus sub- 
torquatus Smith. 
Vaillanti Swainson, Classific. Birds II. 344. = Francolinus Levaillanti Gray. 
CHAETORNIS (Malurinae) Gray, Genera Birds 1848. L 167. = Sphenura Lichtst. 
Bill moderate and strong with the culmen arched and the sides much com- 
pressed to the tip, which is slightly emarginated; the gonys short and ascending; 
the gap furnished with four or five strong bristles; the nostrils basal and placed 
in a membranous groove, which is partly clothed with plumes, with the opening 
oval and exposed. Wings rather short and rounded, with the first quill half the 
length of the third, the second nearly as long as the three next, which are equal 
and longest. Tail lengthened, broad and rounded. Tarsi rather shorter than the 
middle toe, strong and covered with an almost entire scale in front. Toes leng- 
thened and slender, the outer toe shorter than the inner, and slightly united at 
the base; the hind toe long, strong and armed with a long, nearly straight and 
acute claw. 
colluriceps Gray, Genera Birds I. 167. = Sphenura striata Blyth. 
striatus Gray, Genera Birds I. 167. = Sphenura striata Blyth. 
€HAETURA (Cypselidae) — Stephens, Gener. Zool. 1825. XIH. 76. — 
ScLATER, Proceed. Zool. Soc. 1865. XXIIL 607. 
Synon.: Acanthylis Bole. — Acanthyllis Agass. — Hemiprorus Nitzsch. — Pallene 
Less. — Hirundapus Hodgs. — Uranteris Glog. — Acanthura Guild. — Pelargie Geoffr. — 
Pallenis Reichb. — Pallenia, Acanthylops Bonap. — Cypseloides, Senex Streub. — Nepho- 
caetes Baird. 
Rostrum mandibula inferiore apice recta. Alae longissimae. Cauda brevissima, 
rectrices apice subulatae acutae. — 25 Specc. 
acuta [Martinique. 
Hirundo acuta Gmelin, Syst. Natur. I. 1023. Buffon, PI. enlum. 544. Fig. 1. 
Hirundo martinica Brisson, Ornith. II. Tb. 45. Fig. 2. 
Chaetura martinicana Stephens, Gener. Zool. XIII. 76. 
Acanthylis acuta Boie, Oken's Isis 1844. 166. 
albifrons Jardine et Selby, Illustr. Ornith. Tb. 56. Fig. 1. 2. 
Acanthylis albifrons Bonaparte, Conspectus Avium I, 64. 
GisBEL, Thesaurus. I. 
