ANTHRIBIDA. . 301 
n. Mesosternal process angulate at sides. . 2. 2. 1. 1 1 eee 
Mesosternal process evenly narrowed from base to apex . . . p. 
o. Carina of prothorax dorsally strongly angulate three times and 
raised in the middle of the sides to a stout tubercle . . . . Genus No. XIII. 
Carina of prothorax more evenly curved . . . . . . . « « Genus No. XIV. 
p. Rostrum without distinct mesial carina . . . . . . . . « Genus No. XVII. 
Rostrum with distinct mesial carina; eyes almost touching one 
another. . 1. 1 we ee ee ee eee ee) 6Genus No. XV. 
Rostrum with distinct mesial carina; eyes separate . . . . . Genus No. XVI. 
y. Third segment of antenna longer than first and second together . Genus No. X. 
Third segment of antenna shorter than first and second together. r 
r. Carina of prothorax basal . Genus No. VIII. 
Carina of prothorax distant from base; eye coarsely granulated . Genus No. VI. 
Carina of prothorax distant from base; eye finely granulated . . Genus No. VII. 
s. Antenna reaching beyond base of elytra. . . . . . ww. 4 
Antenna not reaching beyond base of elytra. . . . . . . . & 
t. Sinus of eye very deep; antenna without long bristles . . . . Genus No, XXXIV. 
Sinus of eye small; antenna with long bristles; carina of pro- 
thorax basal . . 1 ee ee ee ee ee ee ee) 6Genuss No. XXV. 
As before, but carina of prothorax not basal . . . . . . . Genus No. XXIV. 
u. Carina of prothorax separate from base . . . . . . « . . 
Carina of prothorax basal, following the curvature of the basal 
edge of the elytra. ©. 6. ee ee ee ee ee 
v. Apex of rostrum strongly marginate, prothorax only a little 
‘narrower at base thanat carina . . . . . . . . . . « Genus No. XXVI. 
Apex of rostrum not distinctly marginate ; prothorax much | 
narrower at base than at carina, the latter projecting; anal 
segment truncate and pygidium twice as long as broad =. . . Genus No. XXVIII. 
As before; anal segment not truncate; carina very strongly 
curved, almost basalin middle . . . . . . . . . ~ + Genus No. XXVII. 
As before; anal segment not truncate; carina less strongly curved. Genus No, XXIX. 
w. Carina of prothorax rounded in middle, elytra emarginate together 
at base 2. ee ee es 
Carina of prothorax forming an obtuse but distinct angle, basal 
margins of each elytron rounded. . . . . . . « « . + Genus No, XXXI. 
x. Rostrum somewhat widened at apex; carina of prothorax pro- 
jecting . . Lok ee ee eee ee ee ew). 6Genus No. XXX. 
Rostrum gradually narrowed from base to apex; carina of pro- 
thorax not projecting 2... 1 ee ee ee ee ee 
y. Pronotum broader thanlong ....... . . . . . Genus No, XXXII. 
Pronotum longer than broad ....... .. =. . +. Genus No. XXXIII. 
B. Antennal groove dorsal, open: ANOCERINE. 
a’. Eyes vertical, somewhat approaching each other above, the frons 
being narrower posteriorly than anteriorly . . . . . . . Ul 
Eyes not vertical, frons widest behind c. 
2 RR 2 
