— 
292 HETEROMERA. 
11. Tetraonyx angulicollis. 
Tetraonyx angulicollis, Haag, Stett. ent. Zeit. 1879, p. 270°. 
Hab. Mexico? (coll. Haag"). 
This species is unknown to me, and is doubtfully Mexican. It is described as 
‘“‘ Hlongate, rufous, the antenne, the femora in part, and the tibie and tarsi black; the 
thorax transverse, with all the angles very prominent, longitudinally tri-impressed, 
shining, impunctate; the scutellum and elytra opaque, rufous-pilose. Long. 7, 
lat. 4 millim.” 
12. Tetraonyx fulvus. 
Tetraonyx nigritarsis, Sturm, Cat. p. 175 (1843) (sine descr.)’. 
Tetraonyx fulva, Lec. Proc. Acad. Phil. vi. p. 344 (1853) °; Horn, Trans. Am. Ent. Soc. xu. 
p- 116°. 
Tetraonyx fulvus, Haag, Stett. ent. Zeit. 1879, p. 288*; Dugés, An. Mus. Michoacano, il. p. 112”. 
Tetraonyx rufus, Dugés, La Naturaleza, i. p. 103,t. 4a. fig. 7°. 
Hab. Norta America, Texas?, New Mexico? *4,.—Mexico ! (ex coll. Sturm), Parras 
in Coahuila (Dr. Palmer), Villo Lerdo in Durango, Irapuato (Hége), Guanajuato ? 
(Dugés® °, Sallé), Leon (Dugés*). 
Apparently a common insect in the highlands of Northern Mexico, whence we have 
received a large number of examples. Allied to 7. frontalis, but easily separable 
therefrom by the upper surface being more sparsely punctured and somewhat shining, 
the head not black in front, and the femora and tibie in great part flavo-testaceous. 
In the male the anterior tarsi are dilated, and the first joint is angularly produced on 
the inner side. 
3. Tetraonyx frontalis. (Tab. XVIII. fig. 11.) 
Tetraonyx frontalis, Chevr. Col. Mex., Cent. 1. fase. 1, no. 59° (1834); Dugés, La Naturaleza, 1. 
p- 105°; Haag, Stett. ent. Zeit. 1879, p. 287°; Dugés, An. Mus. Michoacano, i. p. 111° ; 
Horn, Trans. Am. Ent. Soc. xi. p. 116’. 
Tetraonyx cinnamomea, Sturm, Cat. p. 175 (1848) °. 
Hab. North America, Texas °.—Mexico °° (ea coll. Sturm), Mochitlan in Guerrero 
(Baron), Amula and Xautipa in Guerrero (//. fH. Smith), Mexico city, Jalapa (Hoge), 
Parada, Juquila, Puebla, ‘loxpam, Cordova, Orizaba!? (Sallé), Oaxaca (coll. F. Bates), 
Vera Cruz (Dugés +); Guaremaa, El Tumbador, San Gerénimo (Champion). 
Var, The median third of all the femora flavo-testaceous. 
‘ Tetraonyx femoralis, Dugés, La Naturaleza, 1. p. 104, t. la. fig. 8"; Haag, Stett. ent. Zeit. 1879, 
p. 287°; Dugés, An. Mus. Michoacano, 11. p.111°; Horn, Trans. Am. Ent. Soc. xii. p. 116”. 
Hab. Nortn America, Arizona !°--Mextco, Northern Sonora (Morrison), Uruapan, 
