146 Mr. G. C. Champion's Revision of the 



iii, 2, pp. 72, 279, pi. 5, fig. 13 ($) (exclud. the var. 

 from Chihuahua). 



Hab. Mexico, precise locaHty unknown. 



Var. a. Elytra with the apical third black. 



Chauliognathus bilineatus, var. 1, Gorh., loc. cit. p. 279, 

 pi. 12, fig. 16 {^). 



Hab. Mexico, Coahuila and Nuevo Leon. 



3*. Aedeagus : median lobe strongly curved, the apical portion 

 produced; left lateral lobe short, sinuate, stout, widened at the 

 base, narrowing outwards, hooked at the tip ; right lateral lobe much 

 shorter than the left, compressed, bowed outward from about the 

 middle. Plate VI, fig. 17. 



The type form described by Gorham is ochreous, the 

 head transversely marked with black between the eyes 

 and at the base, the prothorax with two long narrow black 

 streaks on the disc, the elytra with or without a small 

 black spot on the disc beyond the middle, the femora 

 broadly testaceous at the base, the rest of the legs and 

 the antennae black, the ventral segments sometimes 

 spotted with black. The variety from Saltillo in Coahuila 

 and Monterey in Nuevo Leon, with broad black apex to 

 the elytra, and the prothorax bilineate or immaculate, 

 comes near C. lecontei. 



14. Chauliognathus collaris. 



Chauliognathus collaris, Gorh., Biol. Centr.-Am., Coleopt. 

 iii, 2, p. 76 {^). 



(J. Aedeagus : median lobe long, broad, obliquely bent, produced 

 at the apex; left lateral lobe stout, concave, very abruptly bent 

 from near the base, the long apical portion strongly curved, narrow- 

 ing outwards, and hooked at the tip ; right lateral lobe much shorter 

 than the left, stout, compressed, pointed at the tip. Plate VI, 

 figs. 18, 18a. 



Hab. Mexico, Oaxaca {Salle, Boucard). 



Var. ? Elytra ochraceous, with a common transverse patch at 

 the base black; the abdomen wholly black. 



Hab. Mexico {Mus. Oxon. : $). 



Described by Gorham from a single specimen incorrectly 

 stated to be from Cordova. The type ((^) is labelled 



