HETEROMERA. 531 
TRICHOTON (p. 135). 
3. Trichoton sordidum. 
Blapstinus sordidus, Lec. Ann. Lyceum N. York, v. p. 146"; Horn, Rev. Ten. of Am. north of 
Mexico, p. 352”, 
Trichoton sordidum, Casey, Ann. N. York Acad. v. p. 410 °. 
Hab. Nortn America, Arizona !23,—Mexico, Northern Sonora (Morrison). 
CRYPTICUS (p. 137). 
Crypticus ovatus (p. 137). 
To the locality given, add :—Mexico, Tehuantepec (Hoge). 
Crypticus mexicanus (p. 137). 
To the Mexican locality given, add :—Cordova (Hége). 
Crypticus maculatus (p. 138). 
Mr. Flohr informs me that he captured some specimens of this species at Cuautla, 
in the Mexican State of Morelos, in the sand of a river-bed, in Nov. 1883, 
DAOCHUS (p. 139). 
Daochus mandibularis (p. 140). 
To the locality given, add :—GuaTEMALA, Coban (Conradt). 
Two examples. 
PENETA (p. 141). 
1. Peneta obtusicornis. 
Peneta obtusicornis, Kirsch, Berl. ent. Zeitschr. 1866, p. 191°. 
Peneta panamensis, huj. op. p. 142, Tab. VI. figg. 3, 3 a (1886). 
To the locality given, add :—Cotompia, Bogota *. 
PHTHORA. 
Phtora, Mulsant, Col. Fr., Latig. p. 228 (1854) ; Lacordaire, Gen. Col. v. p. 324. 
Phthora, Gemminger & Harold, Cat. Col. vii. p. 1959; Leconte & Horn, Class. Col. N. Am. p. 381 
(1883). 
Dicedus, huj. op. p. 144 (nec Lec.). 
The mutilated (2) insect doubtfully referred by me to Diedus proves, on the 
discovery of a second specimen, to belong to Phthora, which has a three- (instead of a 
two-) jointed club to the antenne, the two genera otherwise being very similar. 
