RHYNCHOTA. 
573 
aa. Vertex more or less triangular. 
— Forehead equilaterally rhombic. 
Deltocephalus (Burm.). 
= Forehead elongate-rhombic. 
Platymetopius (Bm’m.). 
j8)3. Vertex short, hardly angular, almost arched. 
— Margin of vertex angular. 
Paramesm (g. n.) ^ 
= Margin of vertex obtuse. 
Goniagnathus (g. n.) 
b. Sectors undivided as far as the transverse veins, and behind these 
only one row (3-4) of apical cells. 
* Ocelli present. 
a. First 2 sectors in wing united by a transverse vein, forming 
a long apical cell Compsm (g. n.) 
/3. First 2 sectors in wing united in a fork forming a stem, 
which runs to the peripheral vein. 
a. Third inferior sector in wing forked or united with second. 
** Eyes rounded. Erythria (g. n.) ^ 
tt Eyes elongated Notus (g. n.) ®. 
h. Third inferior sector in wing simple. 
** Apical veins in elytra simple, forming 8 long apical 
cells Chloria (g. n.) 
tt Only 2 apical veins, but the first forked, enclosing a 
triangular apical cell .... Kyhos (g. n.) 
t Ocelli 0. 
a. Two anterior sectors of elytra united in a fork, the stem of 
which runs to the apical margin. 
a. Inner apical vein simple, outer furcate. 
Anomia (g. n.) 
h. Apical veins simple, parallel. 
** Pronotum and vertex rectangular in front. 
Zygina (g. n.) ^ 
tt Pronotum nearly semicircular ; vertex very prominent, 
but scarcely angular Idia (g. n.) 
/3. Two anterior Sectors running nearly parallel and undivided 
to apex of elytra, united by a transverse vein. 
a, Pronotum and vortex obtusely angular in front. 
Typhlocyha (Germ.). 
h. Pronotum and vertex semicircular in front. 
Eupteryx (Curt.), 
^ P.606. Athysanus ohtusifrons Jassus'hrevis (H.-Sch.). 
” P. 607. Typhlocyha elcgantulay discicollis. and alJmtriclla (Il.-Sch.). Ibid, 
Cicada aureola (Fall,). ® P. 608. Cicada Jlampennu (Zott.), orichalccus 
(Dahlb.), and Typhlocyha forcipatus (Flor.). ® Ibid. Cic. viridula (Fall.^ 
and T. pur a (Stal). Ibid. C. smaragdula (Fall.) and T. commissuralis • 
(StSl). ® P. 609. Cic. qucrcus (Linn.) and Typhl. cruenta (H.-Sch.). The 
name Anomia has been long since used (by Bruguiere) for a well-known 
genus of Mollusca. ® Ibid. Typhl. nivea (Muls.). Ibid. T, scutellaris 
(H.-Sch.). 
