of the Amazons Valley. 87 
The following table will facilitate the recognition of the Amazons 
species :— 
Prothorax with four impressed lines. 
Sides of the prothorax nearly parallel. 
Prothorax anteriorly with two tubercles .......... al. oblitum. 
Prothorax not tmberculate .i.5 ccc as ste oe ve A. ignotum. 
Sides of the prothorax rounded and narrower anteriorly. 
Body ovate. 
Elytra with lines of fine punctures ............ A, subleve. 
Elytra with lines of coarse punctures .......... A, prepositum. 
Ody OMIONG rcs Be does ac Ao hdc ads lwe wes kaweesss A, hebes. 
Prothorax with two impressed lines...... Bs sfaicaeres' a, dis A, egens. 
Aulonium oblitum. (Pl. V. fig. 14.) 
A, oblongum, castaneum, nitidum ; prothorace quadrisulcato, antice bitu- 
berculato, lateribus subparallelis ; elytris modice seriatim punctatis. 
Hab. Ega. 
Oblong, dark chestnut, shining; head narrower than the prothorax, 
finely punctured, an impressed curved line in front of each eye; pro- 
thorax finely punctured, nearly quadrate, the sides subparallel or only 
very slightly rounded, quadrisulcate, with two strongly marked tuber- 
- cles anteriorly; scutellum transverse ; elytra minutely punctured, each 
with eight rows of larger punctures; body beneath reddish chestnut, 
with scattered punctures; legs and antenne ferruginous. Length 2 , 
lines. 
Aulonium ignotum. (Pl. V. fig. 12.) 
A, oblongum, ferrugineum, nitidum; prothorace quadrisulcato, haud tu- 
berculato, lateribus subparallelis; elytris leviter seriatim punctatis. 
Hab, Ega. 
Narrowly oblong, ferruginous, slightly shining; head rather short, 
scarcely narrower posteriorly than the prothorax, sparingly punctured, 
a short impressed line in front of each eye ; prothorax with very minute 
scattered punctures, quadrate, the sides nearly parallel, the disk with four 
strongly marked grooves, but no tubercles ; scutellum transverse ; elytra 
with eight finely punctured lines on each; body beneath ferruginous, 
shining, finely punctured ; legs and antenne paler, Length 12 line. 
Aulonium subleve. (Pl. V. fig. 11.) 
A, oblongo-ovatum, castaneum, nitidum ; capitis fronte crebre punctata ; 
prothorace lateribus subrotundatis, antice bituberculato ; elytris leviter 
seriatim punctatis. 
Hab. Ega. 
Oblong-ovate, dark chestnut-brown, shining; head narrower than 
the prothorax, rather finely punctured, a curved impressed line in front 
of each eye; prothorax minutely punctured, subquadrate, narrower 
