170 
CATALOGUE OF 
HYDKOCOEISA. 
A. Two ocelli. Bigemmi. - - 
B. No ocelli. Abgemmi. 
a. Head horizontal or triangular and vertical. Fore 
tibiae raptorial. Hind tarsi with two claws. 
Pedirapti. 
* Body broad. Antennae 4.jointed. . - - 
** Body elongated. Antennae 3-jointed. 
b. Head large, rounded, sloping. Fore tibiae not 
raptorial. Hind tarsi generally remiform. Pedi- 
remi. 
* Eostriim hidden. Fore tarsi with an apparent 
joint. ------ 
** Rostrum apparent. Fore tarsi generally with two 
distinct joints. - 
1. Galgulid.®. 
2. NAUCORina:. 
3. Nei>id^. 
4. COHIXIDiE. 
5. Notonectid.®. 
Fam. 1. GALGULID^. 
Galgulidae, Serv. Hist. Hem. 423 — Mononychida, Slal, Hem. Afr. iii. 171. 
A. Fore tarsi with two claws. . - . - Galgolos. 
B. Fore tarsi with one claw. - - - - Mononyx. 
Genus 1. GALGULUS. 
Galgulus, \Latr. Hist. Nat. Ins. fxii. 286. Burm. Handb. Ent. ii. 201. 
Serv. Hist. Hem. 424. H.-Sch. Wanz. Ins. v. 87, pi. 174, ix. 24; 
pi. 291, f. A. 
1. Galgulus oculatus. 
Naucoris oculata, Fair. Ent. Syst. Suppl. 525 ; Syst. Rhyn. Ill — Galgulus 
oculatus. Lair. Hist. Nat. Ins. xii. 286, pi. 95, f. 9; Gen. iii. 144. St. 
Farg. et Serv. Enc. x. 271. De Lap. Hem. pi. 52, f. 3. Burm. Handb. 
Ent. ii. 202. Blanch. Hist. Nat. Ins. iii. 93. Serv. Hist. Hem. 425. 
Stal, Hem. Fabr. i. 133. 
a — e. St. John’s Bluff, E. Florida. Presented by E. Doubleday, Esq. 
f — k. Florida. Presented by F. Walker, Esq. 
I — n. Florida. Presented by W. W. Saunders, Esq. 
0 — r. Indiana. Presented by F. Walker, Esq. 
s — u. Orizaba. From M. Salle’s collection. 
V. Mexico. Presented by the Entomological Club. 
w — aa Columbia. From M. Goudot’s collection. 
bb — ff. Columbia. From Mr. Turner’s collection. 
gg. Archidona. From Mr. Stevens’ collection. 
hh. Para. From Mr. Bates’ collection. 
ii. Para. From Mr. Wallace’s collection. 
jj. Cuenca. From Mr. Fraser’s collection. 
kk. North America. Presented by Sir R. I. Murchison. 
