HEMIPTERA HETEROPTERA. 161 
Genus 3. VELIA. 
Velia, Latr. Gen. iii. 133. Burm. Handb. Ent. ii. 211. Schum. Beitr. 
ii, Serv. Hist. Hem. 419. 
1. VELIA RIVULORUM. 
Gerris apterus, Fabr. Ent. Syst. iv. 193—Hydrometra rivulorum, Fabr. 
Syst. Rhyn. 259. Wolff, Icon. Cim. 201, pl. 20, f. 195—Velia rivu- 
lorum, Lair. Gen, ili. 133. Guér. Icon. R. An. Ins. pl. 57, f. 3. 
Burm. Handb. Ent. ii. 212. Blanch. Hist. Nat. Ins. iii. 96. Ramb. 
Faun. And. ii. 84. Serv. Hist. Hem. 419. Fieb, Eur. Hem, 105. 
Stal, Hem. Fabr, i. 131. 
a—l, England. 
m—p. Shetland Isles. 
q, 7. France. Presented by W. W. Saunders, Esq. 
s. Syria. From Mr. Stevens’ collection. 
2. VELIA CURRENS. 
Gerris currens, Fabr. Ent. Syst. iv. 193—Hydrometra currens, Fabr. Syst. 
Rhyn. 259. Fall. Hem. Suec. i. 1}60—Hydrometra aptera, Fadr. 
Syst. Rhyn. 259—Hydrometra rivulorum, Wolff, Icon. Cim. 201, pl. 
20, f. 195—Velia currens, Latr. Gen. iii. 133. L.-Duf. Rech. Hem. 
73, pl. 5, f.65. Curt. Brit. Ent. i. 2. Schum. Beitr. ii. Burm. 
Handb, Ent. ii. 212. Brull. Hist. Nat. Ins. ix. 294. Blanch. Hist. 
Nat. Ins. iii. 96. Serv. Hist. Hem. 420. H.-Sch. Wanz. Ins. ix. 76. 
Fieb. Eur. Hem. 105. Flor, Rhyn. Liv.i. 746. Dougl. and Scott, 
Hem, 571—Velia rivulorum, Curt. Brit. Ent. i. pl. 2—Velia Fieberi, 
Guér.—Rhagovelia currens, Mayr, Verh. Zool. Bot. Ges. Wien. xv. 
445. 
a,b. France. Presented by W. W. Saunders, Esq. 
ec, d, Syria. From Mr. Lowne’s collection. 
North America. 
3. VELIA DISTINCTA. 
distincta, Uhler. 
a—f. Indiana. Presented by F. Walker, Esq, 
Mexico. 
4, VELIA ARMATA. 
armata, Burm. Handb, Ent. ii, 212—Rhagovelia armata, Mayr. 
Mexico. 
