152 CATALOGUE OF 



Europe. 



1. HYDROMETRA STAGNORUM. 



, Beg. Ins. iii. 322, pi. 15, f. 24, 25. Geoff. Ins. i. 463— Cimrx 



stagnorum, Linn. Sysl. Nat. i. 2, 732 ; Faun. Suec. 971. Tign. Hist. 

 Nat. Ins. iv. 284 — Genis stagnorum, Fabr. Ent. Syst. iv. 188. Fall. 

 Mon. dm. Ill — Hydrometra stagnorum, Fabr. Syst. Rhyn. 258. 

 Lair. Gen. iii. 131. 'St. Farg. et Serv. Enc. x. 265, pi. 374, f. 21. 

 Schum. Plot, 14, pi. 1, f. I — 6. Brull. Hist. Nat. Ins. ix. 304. Blanch. 

 Hist. Nat. Ins. iii. 98. Serv. Hist. Hem. 400. Curt. Brit. Ent. i. 32. 

 Schum. Beitr. ii. 14, pi. 1, f. 1 — 6 — Limnobates stagnorum, Burm. 

 Handb.Ent.ii.2U. Ramb. Faun. And. ii. 186. H.-Sch. Wan z. Ins. 

 ix. II!), pi. 304, f.938, 939. Fieb. Eur. Hem. 103. Dougl. and Scott, 

 Hem. 576 — Emesa stagnoium, Fall. Hem. Suec. 162. 



a — /. England. 

 m, n. France. 



North America. 



2. Hydrometra Franciscana. 



Gerris Franciscana, Slal, Eug. Resa, 265. 



California. 



3. Hydrometra orba. 



Gerris orba, Slal, Eug. Resa, 264. 



California. 



West Indies, 



4. Hydrometra Caraiba. 

 Caraiba, Guir. Sagra, Hist. Cuba, Ins. 413. 

 Cuba. 



Africa. 

 5. Hydrometra ambulator. 

 ambulator, Slal, O/v. K. V. Ak. Fork. xii. 45; Hem. Afr. iii. 166. 

 Natal. 



Asia. 



6. Hydrometra parvula. 

 Gerris parvula, Stal, Eug. Resa, 265. 

 China. 



7. Hydrometra Jatonica. 

 Japonica, Molsch. Bull. Soc. Nat. Mosc. xxxix. 1, 188. 

 Japan. 



8. Hydrometra insularis. 

 insularis, Molsch. Bull. Soc. Nat. Mosc. xxxix. 1, 188. 

 Japan. 



