G E N E l l I C CIIARACTERS.
Genus X. LIMONOPnALUS.
Head and occiput crested. Nude skin around eyes. Bill long, curvcd, stout, broad at base.
Casque high, keel-shapcd, smooth, commencing above the eyes, curving gradually forwards for
two tbii'ds the length of bill, and terminating at a right angle to the culmen, swollen posteriorly,
compresscd laterally, sharp at its anterior edge. "Wings ample, but rather short. Tail long,
broad, rounded, the outermost rectrices on either side much shorter than the middle ones. Peet
stout; claws strong.
Genus XI . BTCANISTES.
Head covered by a long loose crest. Bill rather short, strong. Culmen curved to the tip.
Gonys straight for two thirds the length from base; it then turns abruptly upwards, and follows
the curve of the gape to the point. Casque enormous, longer than bill, swollen and rounded
on top, compressed anteriorly, having several irregular transverse grooves; it rises a short
(hstance from tip of maxilla at an acute angle, then carves backwards to the centre of the head,
and returns to base of maxilla by a steep angle. Wings ample, long, second and third primaries
equal and longest. Tail broad, long, much rounded. Nude skin around eyes. Tarsi short,
stout, as are the toes, and both covered with strong scales.
Genus XI I . PnOLlDOPnALUS.
Head crested. Bill short, stout, pointed. Mandible with several irregular narrow transverse
grooves. Casque very low, covering base of maxilla, ridged transversely, and falling away
posteriorly into the culmen. "VVings rather short; third and fourth primaries nearly equal and
Tail rather long, much rounded. Tarsi and toes short, covered with strong scales.
Genus X I I I . RUYTIDOCEEOS.
Bill long, nearly straight, graduated to a point. Base of maxilla and mandible grooved
transversely. Culmen covered for nearly half its basal length by a casquc-like protuberance,
apparently formed of large scales overlapping each other. Skin around eyes and on throat nude.
"Wings ample. Tail long and rounded. Tarsi short, stout. Toes rather long. Claws strong,
curved.
Genus XIV. ANOllUniNUS.
Head covered by a long loose bushy crest. Bill moderately long, stout, curved on culmen.
Casque extending over half the maxilla, highest at its anterior end, whence it inclines graduallv
backward to the base of bill. Skin around eyes, cheeks, and throat naked. "Wings long; fourth
primary longest; secondaries nearly as long as the primaries. TaU long, broad, and rounded.
Tarsi stout, short. Toes moderately long. Claws curved, acute.
1. SPHAGOLOBirS A TMJ S
2. BYCMISTE5 BUCCINATOR
3 LIMOFOPHALUS MOKTANI
4 PIOLIDOrHALUS FISTULATOB.
5 RHYTIDOCEROS URDIILATUS
G ANDRRHllTUS CALERITUS.
7 ACEROS NIPALENSrS-
8 HYDROCISSA ENARHATUS.
9 LOPHOCEROS NASUTUS
10 TORUS ERYTHRORHYNCHU"S.