y02 CATALOGUE OF 



viii. 389. Tign. Hist. Nat. Ins. iv. 258. Latr. Gen. iii. 150— Ploa 

 minulissima, Sleph. Cut. 2, 354. Burm. Handb. Ent. ii. 189. Brull. 

 Hist. Nat. Ins. ix. 256. Blanch. Hist. Nat. Ins. iii. 89. Serv. Hist. 

 Hem. 449. H.-Sch. Wanz. Ins. ix. 45 — Plea minutissima, Leach, 

 Trans. Lin. Soc. xii. 14. Fieb. Eur. Hem. 101. Dougl. and Scott , 

 Hem. 591. 



a — e. England. From Mr. Stephens' collection. 

 / — i. England. 



Africa. 



2. Plea pullula. 



Ploa pullula, Stal, Ofv. K. V. Ah. Fork. xii. 89-Plea pullula, Stal,Hem. 

 Afr. iii. 192. 



Natal. 



Eastern Isles. 



3. Plea sobrina. 

 sobrina, Stal, Eug. Besa, 268. 



Manilla. 



4. Plea frontalis. 

 frontalis, Fieb. Ent. Mon. 18. Mayr, Novara Hem. 194. 

 Nicobar Isles. 



Div. 2. 



Helotrephes, Stal, Eug. Resa, 267. 



5. Plea semiglobosa. 

 Helotrephes semiglobosus, Stal, Eug. Resa, 268. 

 Wainpoa, China. 



Genus 2. NOTONECTA. 



Notonecta, Linn. Syst. Nat. 2, 712. Fabr. Syst. Rhyn. 102. Latr. Gen. 

 iii. 150. Burm. Handb. Ent. ii. 190. Serv. Hist. Hem.A&O. Fieb. 

 Eur. Hem. 31. Dougl. and Scott, Hem. 585. 



1. Notonecta glauca. 

 , Stoll, Pun. 54, pi. 12, f. 10. Geoffr. i. 476, pi. 9, f. 6— 



, w V .. v , _■*.... ~-,| ,-- J/ » I ' 



Nepa notonecta, Dig. Ins. iii. 382, pi. 18, f- 16, 17 — Notonecta glauca, 

 Linn. Syst. Nat. i. 2, 712 ; Fatm. <SW. 903. .Fa6r. Ent. Syst.iv. 

 57; #y.v*. R/n/n. 102. Panz. Faun. Germ. 3, 20. 0/it>. ^nc. viii. 

 380, p'l. 374, f. 31. Tign. Hist. Nat. Ins. iv. 236, pi. 5, f. 3. Latr. 

 Hist. Nut. Ins. xii. 291, pi. 97, f. 41 ; Gen. iii. 150. L.-Duf. Rech. 

 linn. 88. Jiurm. Ilnndl). Ent. ii. 190. Bruit. IJist. Nut. Ins. ix. 



255. Blanch. Hist. Nat. Ins. iii. 88. -ffifm.pl. 1, f. 2. Serv. Hist. 

 Hem. 452. /-'/or, Rhyn. Liv. i. 772. Dougl. and Scott, Hem. 587 — 



