COLEOPTERA. 
195 
The only species I know of this group is remarkable for the develop¬ 
ment of the sternal part of the prothorax, in this character reminding us 
of many species of Centrinus. 
Typus : Attel. longirostris, Jekel , Huj. Op. 
Sect. XI. Thyreolabus, Jekel. 
Characters fere omnia ut in Sect. X. 
Rostrum minus elongatum, capite in $ evidenter, sed in ^ haud 
longius. Sternum minus oblique prominens quam in ilia, sed magis 
quam in Sect, reliquis. Thorax lateribus apicis in $ versus lobos infra- 
oculares spinoso-acutos haud emarginatim antrorsum ductis, ibique Ion- 
gius quam supra, in $ paulo oblique truncatis, ibique parum brevius 
quam dorso. Scutellum medio late impressum. Elytra postice minus 
angustata. Species American®. 
I have seen very few species of this group besides the two 
following:— 
Typus : Attelabus corniculatus, Sch.* 
Congen.: Attelabus deceptor, Jekel , Huj. Op. 
Sect. XII. Hybolabus, Jekel. 
Pedes crassi; tibiis basi abrupte angulatim curvatis, latis, anticis in 
$ paulo, in non arcuatis. 
A striking group, having the thorax above and beneath shaped 
almost as in Sect. I., but the elytra are much more gibbose, indeed the 
most fornicate of the whole genus. The characters of its very short 
head and rostrum and the armature of all the femora in both sexes are 
still more peculiar, and isolate it from the other sections. 
* ? Schonherri incognita : capite postice aequali; thorace breviori, 
lateribus minus rotundato-ampliatis, lobis infra-ocularibus nullis mu- 
ticis. 
