HETEROMERA. 521 
CENTRONOPUS (p. 99). 
3. Centronopus bimaculatus. (Tab. XXIII. fig. 1, 3.) 
Elongate, parallel, black with an sneous lustre, very shining; the elytra each with a large, transverse, reddish- 
yellow patch a little below the base, extending to the lateral margin but not to the suture. Head closely, 
rather coarsely punctured, truncate in front, and slightly depressed between the eyes (2), rugulosely 
punctured, broadly and very deeply excavate between the eyes, and with the anterior margin reflexed and 
subangularly produced in the middle ( g); antenne extending toa little beyond the base of the prothorax, 
slender, thickening outwardly, the penultimate joints about as broad as long, the basal joints more or less 
rufous, the others infuscate or black ; prothorax strongly transverse, convex, sharply margined, the sides 
rounded anteriorly and slightly converging behind, the base bisinuate and deeply grooved within, the hind 
angles acute and prolonged a little backwards, the apex deeply emarginate, the anterior angles obtuse, the 
disc transversely depressed in the middle behind and canaliculate in the centre at the apex, the entire 
surface very minutely, sparsely, shallowly punctate; elytra about three times as long as, and distinctly 
wider than, the prothorax, parallel to beyond the middle, coarsely and deeply punctate-striate, the inter- 
stices feebly convex and exceedingly minutely punctate; beneath pitchy-brown, shining, minutely punc- 
tured; legs black, the tarsi paler; prosternum declivous behind ; intercoxal process of the abdomen 
triangular. 
¢. Anterior tibie with a sharp triangular tooth on the inner side at the middle, and the intermediate and hind 
tibie: each with a similar, but narrower, tooth towards the apex; all the femora clothed with rather long, 
scattered, fine yellow hairs on their inner edge; anterior tibie with a dense brush of golden hairs on the 
inner side at the tip. 
Length 112-13, breadth 43-43 millim. (d 9.) 
Hab. Mexico, Paso de San Juan in Vera Cruz (Hége), Actopan (fide Flohr), 
Temax in North Yucatan (Gaumer). 
Seven examples, all but one from Yucatan. The male of this species has all the 
tibie triangularly toothed within (instead of the anterior pair only, as in the other 
members of the genus), and the head very broadly and deeply excavate between the 
eyes. In the form of the head &c. it agrees with Centronopus. 
PYRES (p. 100). 
1. Pyres speciosus. 
Centronopus speciosus, Pasc. Ann. & Mag. Nat. Hist. 5th ser. xi. p. 439 (1883). 
Pyres metallicus, hu). op. p. 101, Tab. V. fig. 10 (July 1885). 
RHINANDRUS (p. 101). 
Bhinandrus helopioides (p. 102). 
To the Mexican locality given, add :—Tehuantepec (Hoge). 
ZOPHOBAS (p. 103). 
Zophobas klingelhofferi (p. 103). 
Var. Zophobas signatus, hu}. op. p. 104, Tab. V. fig. 13. 
To the localities given, add :—GuvaTEMALA, Coban (Conradt); Panama, Chiriqui 
(Trotsch). 
Two additional specimens ( ¢ ) of the variety signatus have been received ; the latter 
