ONCOMETOPIA. 231 
9. Oncometopia miniatipennis, sp.n. (Tab. XIV. fig. 18.) 
Sat lata, nitidior, capite pronotoque nigris, rubro obscure sparsim variegatis, illo lato oculis prominentibus, 
hoe rugoso; tegminibus miniatis fasciis nigris irregulariter vittatis, pectoris lateribus flavo-albidis ; 
abdomine nigro, ad latera dilutiori ; pedibus piceis. 
A rather broad species, with the head and pronotum black and shining, obscurely variegated with red, the 
former somewhat depressed in the middle of the vertex, the latter rugose ; scutellum large, smooth, and 
shining, reddish behind ; tegmina scarlet, with two irregular bands in front, formed of four large blotches 
connected by a narrow strip, a band behind the middle reaching across the tegmina, and the suture, 
black ; the apex of the tegmina is fuscous and scarcely transparent; sides of the breast yellowish-white ; 
abdomen black, a little lighter at the sides, that of the female with the last segment rather deeply and 
squarely emarginate, and furnished with an impression on each side before the emargination, and the 
side-lobes moderately large and bent towards one another; legs pitchy. 
Long. 13 millim.; lat. ad hum. 4 millim. 
Hab. Mexico, Milpas in Durango 5900 feet (forrer). 
This is a very distinct species, and quite different from any other in the group. 
10. Oncometopia undata. (Tab. XIV. figg. 19, 20, vars.) 
Cicada undata, Fabr. Ent. Syst. iv. p. 32 (1794)'; Syst. Rhyng. p. 62%; Coqueb. Ilustr. Icon. 
Ins. i. p. 32, t. 8 fig. 3°. . 
Tettigonia undata, Sign. Aun. Soc. Ent. Fr. 1854, p. 486, t. 17. fig. 5*. 
Cicada orbona, Fabr. Ent. Syst., Suppl. p. 520 (1798)°; Syst. Rhyng. p. 72°. 
Tettigonia orbona, Sign. Ann. Soc. Ent. Fr. 1854, p. 485, t. 17. fig. 37. 
Proconia nigricans, Walk. List of Hompt. Ins. iii. p. 783°. 
Proconia lucernea, Walk. loc. cit. p. 785 (nec Fabr.) *. 
Proconia marginata, Walk. loc. cit. p. 785 °°. 
Tettigonia marginata, Sign. Ann. Soc. Ent. Fr. 1854, p. 4877". 
Proconia badia, Walk. loc. cit. p. 786”. 
Proconia scutellata, Walk. loc. cit. p. 786". 
Proconia tenebrosa, Walk. loc. cit. p. 787. 
Proconia plagiata, Walk. loc. cit. p. 788”. 
Hab. Norta America, Baltimore’, Carolina 1~%, Florida § 1° 14,-Mextco (Sallé; Mus. 
Vind. Ces.), Ciudad in Durango, Presidio de Mazatlan (Forrer), Xucumanatlan, 
Tepetlapa, Amula, and Chilpancingo in Guerrero, Cuernavaca in Morelos, Teapa in 
Tabasco (H. H. Smith), Jalapa (Ff. D. Godman), Jalisco, Atoyac (Schumann), Guanajuato 
(Mus. Roy. Belg.), Orizaba (H. H. Smith & F. D. Godman), Valladolid and Temax in 
Yucatan (Gaumer); GuaTemaLa, Chiacam and San Gerénimo in Vera Paz, Guatemala 
city, Duefias, Zapote, Capetillo, Cerro Zunil (Champion); Nicaragua, Chontales 
(Janson); Costa Rica (Van Patten), Caché (Rogers); Panama (Boucard), Bugaba, 
David, Volcan de Chiriqui (Champion).—Brazit °. 
There is a very large series of this common American insect in our collection, and, 
although the extreme forms are very different, yet I am quite unable to separate them 
satisfactorily into species. As a rule, the pattern of the pronotum, which is usually 
