248 SUPPLEMENT. 
2. Romaleum simplicicolle. 
Enaphalodes simplicicollis, Haldem. Proc. Ac. Phil, ii. p. 151. 
Romaleum simplicicolle, Leconte, Smiths. Misc. Coll. ii., Long. p. 181. 
Hab. Norra Amertca.—Mexico, Northern Sonora (Morrison). 
EUSTROMA (p. 24; to follow the genus Romaleum). 
Eustroma, Leconte, Smiths. Misc. Coll. ii., Long. p. 186. 
The following is the only species of this genus at present known. 
1. Kustroma validum. 
Elaphidion validum, Leconte, Proc. Ac. Phil. 1858, p. 82; Smiths. Misc. Coll. i., Long. 
pp. 186, 187°. 
Hab. Nortu America, Texas, Arizona, Lower California 1.—Mexico, Presidio (Forrer). 
ELAPHIDION (p. 24). 
Elaphidion irroratum (p. 24). 
To the Mexican locality given, add :—Tres Marias Islands (forrer). 
Elaphidion coronatum (p. 24). 
To the localities given, add:—Mexico, Cordova (Sallé) ; British _Honpuras (blan- 
caneaux). | 
HYPERMALLUS (p. 25). 
1(a). Hypermallus decipiens. 
Romaleum atomarium, anté, p. 24 (nec Drury). 
Romaleo atomario similis, sed multo angustior tuberibusque antenniferis haud acuminatis. Elongatus, 
subcylindricus, fuscus; elytris pube fusco-cinerea maculatim variegatis, apice sat late recte truncatis. 
utrinque equaliter et longe bispinosis; metasterni episternis elongatis antice quam postice paullulum 
latioribus; ¢, thorax sicut in Romaleis suborbicularis, creberrime intricato-punctulatus dorso callis 
angustis et parvis quinque sublevigatis; antenne articulis 3°-5™ apice unispinosis, 6°-10™ breviter bispi- 
nosis; mesosternum antice subverticale. 
Long. 11 lin. ¢. 
Hab. Mexico, Paso del Macho (Hoge). 
One example. 
1(s). Hypermallus senex. 
Nigro-fuscus, nitidus, capite supra elytrisque plagis magnis (e maculis congestis) utrinque duabus, prima a bast 
usque ultra medium secunda apicali, albo-cinereo tomentosis, thorace quadrato-ovato ( ¢ ) grosse confluenter 
punctato, callo dorsali elongato alteris duobus parvis antico-discoidalibus, levibus, politis, maculis non- 
nullis fulvis; scutello fulvo; elytris apice recte truncatis utrinque breviter sed acute bispinosis, dorso 
confertim (apicem versus subtilius) punctato; antennis articulis 3°-6™ apice unispinosis, 7°-10™ brevissime 
bispinosis ; mesosterno antice bituberculato et subverticali. 
Long. ll lin. ¢. 
Hab. Mexico (coll. Bates, ex coll. Turner). 
One example of this fine and conspicuous species from the collection of the late 
