HEMIPTERA HETKROPTEHA. 171 



2. Galgulus bufo. 

 Galgulus bufo, Lefebvre. H.-Sch. Wanz. Ins. v. 88, pi. 174, f. 536. 

 America. 



3. Galgulus pulcher. 

 pulcher, Slal, Ofv. K. V. Ak. Fork. xi. 239. 

 Mexico. 



Genus 2. MONONYX. 



Mononyx, .De Lap. Hem. 16. Burm. Handb. Ent.\\.20[. Serv. Hist. 

 Hem. 425. H.-Sch. Wanz. Ins. ix. 25, pi. 291, f. B— G. 



Divisions of Mononyx. 



A. Prothorax bent hindward iu the middle. Membrane 



distinct. 



a. Disk of the prothorax slightly elevated. Mesosteruum 



with a longitudinal keel, which is hardly acutely 



elevated hindward. - Mononvx. 



b. Disk of the prothorax distinctly elevated. Keel of the 



mesosternum abruptly and obtusely much elevated 



hindward. ----- Phintius. 



B. Prothorax truncated hindward and not or very slightly 



bent. Membrane indistinct, or confused with the 



corium. ---... Matinus. 



1. Mononyx Nep.eformis. 



Naucoris Nepsformis, Fabr. Syst. Ent. 693 ; Sp. Ins. ii. 335 ; Mant. Ins. 

 ii. 277; Ent. Syst. iv. 67; Syst. Rhyn. Ill — Mononvx rap tori us, 

 Burm. Handb. Enl. ii. 201. Am. ct Serv. Hist. Hem. 426. H.-Sch. 

 Wanz. Ins. ix. 27, I. 895. Blanch. Hist. Nat. Ins. iii. 93 — Mononyx 

 bipunctalus, Stal, Ofv. Vet. Ak. Fork. xi. 239; Berl.Ent. Zeit. Sc'hr. 

 vii. 405— Mononyx Nepxformis, Stal, Hem. Fabr. i. 134. 



West Indies. 



2. Mononyx raptorius. 

 Naucoris raptoria, Fabr. Syst. Rhyn. IN. St. Farg. el Serv. x. 271 — 

 Mononyx raninus, H.-Sch. Wanz. Ins. ix. 28, pi. 291, f. 396— 

 Mononyx bipunctatus, Slal, Ofv. K. V. Ak. Fork. xi. 239; Rio Jan. 

 Hem. i. 82. 



a. Brazil. 



b. Bio Janeiro. Presented by A. Fry, Esq. 



c Brazil. Presented by \V. \V. Saunders, Esq. 



d — g. Columbia. From M. Goudol's collection. 



h. Mexico. From Mr. Argent's collection. 



t. Constancia. Presented bj the Rev. II. Clark. 



j. 'I'll nan tins. From Mr. Bales' collection. 



k — m. Columbia, brum Mr. Dyson's collection. 



