NOTOCYRTUS. 263 
be separated eventually, as it has the intermediate and posterior tibise peculiarly 
formed. The terminal genital segment of the males of our species is unarmed and 
simply rounded at the apex. Some of the Notocyrti are very variable in colour, and 
several of the described forms are probably nothing more than varieties. Many of 
the specimens examined are more or less coated with a viscous substance, this being 
especially noticeable on the dilated setose portions of the hind tibia. 
Intermediate and hind tibie rounded externally. 
Head with two long spines; pronotum with the posterior lobe greatly inflated, 
emarginate in front, produced laterally into a curved horn-like process, 
and strongly depressed on the disc before and behind the middle . . . dorsalis, Griff. 
Head with two short blunt spines; pronotum with the posterior lobe moderately 
inflated, unemarginate in front and simply rounded at the sides posterion'y, 
divided into two parts by a curved transverse groove . . . . . foveatus, Stal. 
Intermediate and hind tibiz flattened or excavate externally ; head with two very 
short blunt spines ; pronotum with the posterior lobe rounded-pentagonal, 
divided into two parts by a straight transverse groove . . . . . . . dSactrianus, n. sp. 
1. Notocyrtus dorsalis. (Tab. XVI. figg. 1, 1a, 9; 2, 3, 3, 2, vars.) 
Reduvius dorsalis, Gray, in Griffith’s Anim. Kingd., Ins. ii. p. 243, t. 91. fig. 2 (1832) *. 
Notocyrius (Ceratocyphus) dorsalis, Stal, Enum. Hemipt. ii. p. 85°. 
Reduvius vesiculosus, Perty, Del. Anim. art. Bras. p. 173, t. 34. fig. 11 (nec 12) (1834) *. 
Notocyrius (Ceratocyphus) vesiculosus, Stal, Hemipt. Fabr. i. p. 106*; Enum. Hemipt. ii. p. 86°. 
Hab. GuatemaLa, San Gerdénimo, Purula, Panima, and Cubilguitz in Vera Paz 
(Champion).—CotomBia, Cartagena!?; Brazin35. 
Var. The inflated posterior lobe of the pronotum black or blackish, with the produced basal portion paler ; 
the legs black, annulated with flavous. (¢ 9.) (Fig. 2.) 
Notocyrtus dromedarius, Stal, Stett. ent. Zeit. 1862, p. 449 °. 
Notocyrtus (Ceratocyphus) dromedarius, Stal, Enum. Hemipt. ii. p. 86’. 
Hab. Mzxico (Mus. Holm. **), Atoyac in Vera Cruz (Schumann), Teapa in Tabasco 
(H. H. Smith); Guarmmata, San Gerénimo (Champion); PanamMa, Bugaba, David, 
Caldera in Chiriqui (Champion). 
_ Var. The inflated posterior lobe of the pronotum black or blackish, with a transverse angulate fascia before 
the middle, and a line extending from it downwards on the centre of the disc, flavous, the basal 
portion entirely testaceous; the legs in great part ochreous, the median third of the hind tibie black. 
(Fig. 3.) (do 2.) 
Notocyrtus flavolineatus, Stal, Ofv. Vet.-Ak. Forh. 1859, p. 373°. 
Notocyrtus (Ceratocyphus) flavolineatus, Stal, Enum. Hemipt. p. 86’. 
Hab. Panama, Bugaba, Volcan de Chiriqui (Champion).—Amazons, Paré.® ®, 
A very variable insect. In the typical Y. dorsalis (Gray) the posterior lobe of the 
