LONGICORNIA. 333 
utrinqgue macula elongata (nec suturam nec marginem attingente) fulvo-testacea; antennis nigris, 
articulis 3°-7™ basi, 8°-11™ totis, fulvis; thorace antice et postice magis angustato, tuberculo laterali 
mediano valde elongato subacuto; scutello quam in 7’. succincto angustiori magis elongato; elytris sub- 
tiliter coriaceis, apice subtruncatis ; corpore subtus femoribusque castaneo-nigris, tibiis et tarsis fulvis. 
Long. 16 lin. 9. 
Hab. Mexico, Tres Marias Islands (Forrer). 
Two females only. 
LISSONOTUS (p. 90). 
Lissonotus multifasciatus (p. 90). 
To the localities given, add:—Mexico, Vera Cruz, Izucar, Chiapas, Puebla (Sallé), 
Vera Cruz (Hége), Ventanas (Forrer); Guatemata, El Reposo (Champion); SaLvADOR 
(Sallé); Panama, San Feliz, Tolé, Taboga Island (Champion). 
Var. Niger, interdum supra fortius punctatus, elytris fascia mediana albo-testacea. (ZL. puncticollis, Dup. in 
Sallé collection.) 
Hab. Norta America, Cape St. Lucas, California (coll. Sallé).—Mexico, Ventanas 
(Forrer), Alamos (Buchan-Hepburn), Puebla (Sal/é). 
Examples of the black variety, more strongly punctured than others, and with denser 
and longer hairs on the thorax, might be thought to constitute a distinct species, if this 
form were not connected with the typical LZ. multifasciatus by numerous gradations. 
Some of the Ventanas specimens have a dull reddish thorax, with distinct traces of the 
characteristic black fascia. 
2. Lissonotus corallinus. 
Lissonotus corallinus, Dupont, Monogr. Trachyderides in Guér. Mag. Zool. Ins. 1886, p. 11, t. 144. 
f, 2%. 
Hab. Panama (Boucard).—Co toms !, Santa Marta; VENEZUELA. 
MEGADERUS (p. 91). 
Megaderus bifasciatus (p. 91). 
To the locality given, add:—MExico, Guanajuato (Dugeés in coll. Sallé). 
Megaderus latifasciatus (p. 91). 
To the localities given, add :—Panama (Boucard), Bugaba (Champion). 
8. Megaderus stigma. 
Cerambyx stigma, Linn. Syst. Nat. ed. xii. p. 635. 
Megaderus- stigma, Dupont, Monogr. Trachyderides in Guér. Mag. Zool. Ins. 1836, p. 3, t. 141. f. 1’. 
Hab. Panama, Taboga Island (Champion).—Sovuta America, Guiana 1, &c. 
