170 CATALOGUE OF 
HYDROCORISA. 
A. Two ocelli. Bigemmi. - - - - 1. GaLeurips. 
B. No ocelli. Abgemmi. 
a. Head horizontal or triangular and vertical. Fore 
tibie raptorial. Hind tarsi with two claws. 
Pedirapti. 
* Body broad. Antenne 4.jointed. - - - 2. Navucorip#. 
** Body elongated. Antenne 3-jointed. - - 3. Nepipg. 
b. Head large, rounded, sloping. Fore tibie not 
raptorial. Hind tarsi generally remiform. Pedi- 
remi. 
* Rostrum hidden. Fore tarsi with an apparent 
joint. - - - “ - = 4, CoRIxIDZ. 
** Rostrum apparent. Fore tarsi generally with two 
distinct joints. - - - = - 5. NOTONECTIDE. 
Fam. 1. GALGULIDZ. 
Galgulide, Serv. Hist. Hem. 423—Mononychida, Stal, Hem. Afr. iii. 171. 
A. Fore tarsi with two claws. = - = - GALGULUS. 
B. Fore tarsi with one claw. - - = - Mononyx. 
Genus 1. GALGULUS. 
Galgulus, {Zair. Hist. Nat. Ins. xii. 286. Burm. Handb. Ent. ii. 201. 
Serv. Hist. Hem. 424. H.-Sch. Wanz. Ins. v. 87, pl. 174, ix. 243 
pl. 291, f. A. 
1. GALGULUS OCULATUS. 
Naucoris oculata, Fabr. Ent. Syst. Suppl. 525 ; Syst. Rhyn. 111—Galgulus 
oculatus, Latr. Hist. Nat. Ins. xii. 286, pl. 95, f£.9; Gen. iii. 144. St. 
Farg. et Serv. Enc. x. 271. De Lap. Hem. pl. 52, f. 3. Burm. Handb. 
Ent. ii. 202. Blanch. Hist. Nat. Ins. iii. 938. 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. 
(—n. Florida. Presented by W. W. Saunders, Esq. 
o—yr. Indiana. Presented by F. Walker, Esq. 
s—u. Orizaba. From M. Salleé’s collection. 
v. Mexico. Presented by the Entomological Club. 
w—aa Columbia. From M. Goudot’s collection. 
bbh—ff. Columbia. From Mr. Turner's collection. 
gg. Archidona. From Mr, Stevens’ collection. 
hh. Para. From Mr. Bates’ collection. 
at. Para. From Mr. Wallace’s collection. 
jj. Cuenca. From Mr. Fraser’s collection. 
kk. North America. Presented by Sir R. I. Murchison. 
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