568 
ZOOLOGICAL LITERATURE. 
nute above lateral angles, posterior process bilobate. Sp. Pterygia horrijica 
(Walk.), B. e. Z. 1866, p. 386. 
Leptohelus, g. n., StSl, 1 . c. p. 86. Allied to Centrotus] outer discoidal cell 
of tegmina petiolate ; wings with 4 apical cells ; disk of thorax elevated, 
with a slender horn on each side, and a slender posterior process distant from 
body. Sp. Cenirotus gazella (Fairm.) and C. dama (Germ.), B. o. Z. 1 . c. 
Monohelus, g. n., StSl, 1. c. p. 87. Allied to preceding ; thorax slightly 
convex above, lateral angles unarmed, posterior process straight, not distant 
from body. Sp. Cenirotus fasciatus (Fab.) and C. Jlavidus (Fairm.), B. e. Z. 
1866, p. 386. 
Cymbomo7'pha, g.n., StSl. Berl. ent. Zeits. 1866, p. 388 (=Smilia, Fairm., wee 
Germ., nec Am. & Serv.). C. amazma, sp. n., Stul, 1 . c. p. 388, North Brazil. 
Xiphistes, g. n., Stal, 1 . c. p. 85. Allied to Oxyrhachis ; posterior thoracic 
process triquetrous, not compressed and widened posteriorly j wings with 
4 apical cells. Sp. Oxyrhachis fw'cicornis (Germ.) and Centrotus sulcicornis 
(Thunb.). 
Acanthophyes, g. n., StEl, 1 . c. p. 89. Allied to Centrotus ; posterior process 
of thorax distant from scutellum, slender, unarmed, but bisinuate beneath. 
Sp. Centrotus hamifer^ etiixidens, exidi chloroticus(Fahm.')\ A. alhipennis, sp.n., 
Stm, l.c. p. 89, Cafiraria. 
Leptocentrics, g. n., StSl, 1. c. p. 90. Allied to Centrotus ; posterior process 
of thorax distant from scutellum, slender ; outer discoidal cell of tegmina not 
petiolate ; wings with 4 apical cells ; tibia3 simple. Sp. Centi'otus taurus 
(Fab.), C. antilope (Stftl), C. hos and C. lama (Sign.). 
Acanthuchus, g. n., StSl, 1. c. p. 87. Allied to Centi'otus ; thorax much ele- 
vated, cornute above lateral angles, longitudinal keel dilated or raised into a 
tooth, horns triquetrous j intracostal area of tegmina punctate ; wings with 
4 apical cells. Sp. Centi'otus trispinifer (Fairm.). B. e. Z. 1866, p. 386. 
Paunus, g. n., StSl, 1. c. p. 87. Allied to preceding j longitudinal keel of 
thorax not elevated between lateral horns, which are triquetrous at base, 
compressed above, broad and truncate at apex. Sp. Centi'otus tasinanice 
(Fairm.), B. e. Z. 1866, p. 386. ' 
Sextius, g. n., StSl, 1. c. p. 88. Allied to Centrotus ; apical cells of tegmina 
more or less divided j wings with 4 apical cells ; lateral horns of thorax not 
compressed, triquetrous, thorax with a longitudinal keel. Sp. Centrotus vi- 
rescens (Fairm.) and Ceresa suffusa (Walk.). B. e. Z. 1866, p. 387. 
CentrotypuSj g. n., StSl, 1. c. p. 88. Allied to preceding ,* apical cells of 
tegmina 5, entire ; keel scarcely or indistinctly continued along thorax. Sp. 
Centrotus jlexuosus (Fab.), assamensisfjavanensis, neuter^ and obesus (Fairm.), 
B. e. Z. 1866, p. 387. 
SipyluSy g. n., StSl, 1. c. p. 89. Allied to Centrotus ; wings with 3 apical 
cells; posterior process of thorax straight, short, touching scutellum, form 
broadly triangular ; posterior trochanters armed with spinules within. Sp. 
Centrotus ei'assnlus (StSl), B. e. Z. 1866, p. 387. 
TricentruSy g. n., Stal, 1. c. p. 89. Allied to Gargara ; thorax cornute above 
lateral angles ; posterior trochanters spinulose within. Sp. Centrotus fair- 
mail'd and sobrinus (StSl), B. e. Z. 1866, p. 387. 
XiphopccuSy g. n., StSl, 1. c. p. 91. Allied to Centrotus ; posterior process of 
thorax distant from scutellum, much curved, or geniculate near base, armed 
with spinules beneath, especially towards base ; outer discoidal cell not 
