HEMIPTHRA HETEROPTERA. alfa 
2. GALGULUS BUFO. 
Galgulus bufo, Lefebvre. H.-Sch. Wanz. Ins. v. 88, pl. 174, f. 536. 
America. 
3. GALGULUS PULCHER, 
pulcher, Stal, Ofv. K. V. Ak. Forh, xi. 239. 
Mexico. 
Genus 2. MONONYX. 
Mononyx, De Lap. Hem. 16. Burm. Handb. Ent. ii. 201. Serv, Hist. 
Hem. 425. H.-Sch. Wanz. Ins. ix. 25, pl. 291, f. B—G. 
Divisions of Mononyx. 
A. Prothorax bent hindward in the middle. Membrane 
distinct. 
a. Disk of the prothorax slightly elevated. Mesosternum 
with a longitudinal keel, which is hardly acutely 
elevated hindward. - - - - Mononyx, 
b. Disk of the prothorax distinctly elevated. Keel of the 
mesosternum abruptly and obtusely much elevated 
hindward. - - - - - Puintivs. 
B. Prothorax truncated hindward and not or very slightly 
bent. Membrane indistinct, or confused with the 
corium. - - - - - - MartINUs. 
1. Mononyx NeEp#ForMIs. 
Naucoris Nepeformis, Fabr, Syst. Ent. 693; Sp. Ins. ii. 335; Mant. Ins. 
ii. 277; Ent. Syst. iv. 67; Syst. Rhyn. 111—Mononyx raptorius, 
Burm. Handb. Ent. ii. 201. Am. et Serv. Hist. Hem. 426. H.-Sch. 
Wanz. Ins. ix. 27, f. 895. Blanch. Hist. Nat. Ins. iii. 93—Mononyx 
bipunctatus, Stal, Ofv. Vet. Ak. Forh. xi. 239; Berl. Ent, Zeit. Schr. 
vii. 405—Mononyx Nepexformis, Stal, Hem. abr. i. 134, 
West Indies. 
2. Mononyx RAPTORIUS. 
Naucoris raptoria, Fabr. Syst. Rhyn. 111. St. Farg. et Serv. x. 271— 
Mononyx raninus, £7.-Sch. Wanz. Ins. ix. 28, pl. 291, f. 396— 
Mononyx bipunctatus, Stal, Ofv. K. V. Ak, Forh, xi. 239; Rio Jan. 
Hem. i. 82. 
a. Brazil. 
b. Rio Janeiro. Presented by A. Fry, Esq. 
ce. Brazil. Presented by W. W. Saunders, Esq. 
d—g. Columbia. From M. Goudov’s collection. 
h. Mexico. From Mr. Argent’s collection. 
t. Constancia. Presented by the Rev. H. Clark. 
j. Tunautins. From Mr. Bates’ collection. 
k—m. Columbia. From Mr. Dyson’s collection. 
