160 
CATALOaUB Of 
Fatu. 2. VELID^. 
Velidae, Serv. Hist. Hem. 418 — Hydroessae and Hebridee, Fieh. Eur. Hem. 
104 — Veliida, Slat, Hem. Afr. iii. 167 — Veliidae, Dougl. and Scott, 
Hem. 42 — Hydroessida, Mayr, Novara Hem. 180. 
A. Hiod tarsi 3-jointed. 
a. Fore tarsi 3 jointed. 
* Head distinctly advanced. First joint of the hind 
tarsi very short. ----- Velia. 
** Head not or very slightly advanced. First joint of 
the hind tarsi somewhat elongated. - - Angilia. 
b. Fore tarsi one-jointed. - - . . Boecula. 
B. Tarsi two-jointed. - . - Miceovelia. Hydroessa. 
Genus 1. MICROVELIA. 
Microvelia, Westw. A. S. E. F. in. 647. Serv. Hist. Hem. 421. Dougl. 
and Scott, Hem. 574 — Hydroessa, Burm. Handb. Ent. ii. 213, Fieb. 
Eur. Hem. 104. 
1. Microvelia pygm,ea. 
Velia pygmaea, L.-Duf. A. S. E. F. ii. 115, pi. 5, f. 6 — Microvelia 
pygmaea, Westw. A. S. E. F. iii. 647, pi. 6, f. 5. Serv. Hist. Hem. 
422 — Hydroessa reticulata, Burm. Handb. Ent. ii. 213 — Hydroessa 
pygmaea, Curt. Brit. Ent. xv. pi. 681. Flor, Rhyn. Liv. i. 749. 
Fieb. Eur. Hem. 104. Dougl. and Scott, Hem. 514. 
a, b. England, 
2. Microvelia Schneideri. 
Hydroessa Schneideri, Scholz, Arb. Ver. 1846, 5. Fieb, Eur. Hem. 105. 
Silesia, Switzerland, 
3. Microvelia pulchella. 
pulchella, Westw. A. S. E. F. iii. 647, pi. 6, f. 5. Serv. Hist. Hem. 422 — 
Hydroessa pulchella, H.-Sch. Warn. Ins. vi. 37, pi. 193, f. 595 — 
Hydroessa reticulata, Burm. Handb. Ent. ii. 213. 
Isle St. Vincent. 
4. Microvelia capitata. 
capitata, Guh. Sagra, Hist. Cuba, Ins. 417. 
Cuba. 
Geuus 2. MESOVELIA. 
Mesovelia, Muls. et Rey. Ann. Soc. Linn. 1852, 138. Fieb. Eur. Hem. 
195. 
1. Mesovelia furcata. 
furcata. Mills, et Ri-y. Ann. Snr Linn. 1852, 1.38. Fieb. Eur. Hem. 106. 
Diiugt. and Scott, Ent. M. Mug. iv. 4, pi. 1, f. 1. 
Europe. 
