192 Mr. Curtis’s Descriptions of 
the base on the 4th; a line of punctures near the costa, thickest at the 
base and apex, which is strongly emarginated. 
From Chili. It has somewhat the habit of an Helobia*, and the lobe of the 
mentum is simple. 
15. PrERosTICHUS LUCIDUS. Curt. 
Niger, viridi-nitens; pedibus subcastaneis ; femoribus piceis. 
Length 5, breadth 143 lines. 
Shining, black with a greenish gloss: head with two impressions in front. 
Thorax cordate-truncate, with a lunate impression in front, a channel 
down the back, a deepish simple fovea near each angle, which is trans- 
versely vermiculated and acute. Elytra not thrice as long as the thorax, 
finely striated, 1st abbreviated, 2nd and 3rd united near to the base, the 
former curved, 2 punctures below the middle on the 3rd and 1 towards 
the base of the 4th; costa deeply punctured at the base and beyond the 
middle, apex emarginate. Legs subcastaneous, thighs piceous. 
A male from Valparaiso. The lobe of the mentum is simple. 
*16. PTEROSTICHUS RUFIPALPIS. Curt. 
Niger, nitens; palpis ferrugineis: thorace subelongato-cordato ; elytris elon- 
gato-ovatis, striatis. 
Length 52, breadth 2 lines. 
Black, shining: palpi ferruginous: head with 2 lines in front. Thorax appear- 
ing longer than broad, convex, cordate-truncate, considerably narrowed 
at the base, angles acute, with a long simple fovea; a channel down the 
back: elytra nearly thrice as long as the thorax, elongate-ovate, finely 
striated, Ist stria very short, 2nd and 3rd united at the base, 2 or 3 
punctures between the 3rd and 4th, with a line of very large ones along 
the costa, the apex emarginate: legs piceous. 
A pair from Chili. It has a little the habit of a Steropus. 
*17. PTEROSTICHUS PRASINUS. Curt. 
Piceus; capite thoraceque cœruleo-viridibus ; elytris pulchré viridibus, ad 
latera quandoque flavescentibus. 
Length 44, breadth 13 lines. 
* Vide Curt. Brit. Ent. vol. v. pl. 103. 
