RHYNCHOTA. 
487 
B. Anterior part of thoracic process not sinuated above. 
2. IHTHUCIA (St&l). 
II. Posterior process of thorax gradually acuminate, back usually acute or 
keeled. 
A. Thorax very convex on each side in front ; posterior process usually 
convex, rarely tectiform. 
1. Thorax convex in front, unarmed over lateral angles. 
3. Melusina (St§,l). 
{Ceresa nervosa, Fairm.) 
2. Thorax armed with an acuminate horn above each lateral angle. 
4. Centrogonia (StSl). 
(^Ceresa ciliata, Fairm., and C. nasuta 
and unguicularis St§,l.) 
B. Thorax very obtuse in front, slightly convex or flat, posterior process 
usually compresso-acute, rarely convex. 
1. Thorax much elevated in front, cornute above lateral angles, posterior 
process very acute throughout 6. Ceresa (A. & S.). 
2. Thorax convex in front, unarmed, posterior process convex, at least 
as far as the middle G. Stictocephala St8,l). 
{Ceresa uniformis, Fairm., C. franciscana, StSl, 
and Thelia lutca, Walk.) 
Stal (/. c. p. 37, note) tabulates the genera belonging to his 
subfamily Hoplophorida as follows : — 
I. Wings with three apical cells. 
A. Wings with anal cell distinct, sublobate, 1-nerved. 
1. Head very broad and obtuse, equal in breadth to base of thoracic 
process, which is narrowed from tlie base. 
1. Platycotis, g. n.* 
2. Head narrower than base of thoracic process. 
2. IIoPLOPHORA (Germ.)t. 
B. Wings with anal cell very minute, not lobate. 
3. XJmbonia (Burm.). 
II. Wings with four apical cells. 
A. Thorax with the back more or less compressed and elevated, lateral 
angles produced 4. Triquetra (Fairm.). 
B. Thorax convex, with a porrect horn in front, lateral angles scarcely 
prominent 6 . Potnia (StSl). 
Stal [1. c. pp. 38, 39, note) tabulates the genera allied to 
Membracis as follows : — 
I. Thorax much compressed and elevated, very high. 
1. Membracis (Fab.). 
II. Thorax with keels on the back, or with an anterior horn, or the anterior 
part with a keel on each side. 
A. Posterior thoracic process not reaching apex of tegmina. 
* Divided into the subgenera Plaft/cotis (sp. vittata, Fab., qiiadrilmeata, 
Germ./« and sagittata, Germ.), Lophopelta (sp. tuhei'culata, Fairm., and his- 
trionica, StSl), and Microschema (sp. straminicolor , Stal). 
t Subgenera Hoplophora and Enchotypa (Stal). 
