608 STAPHYLINIDA. 
Vertex with a rough, not dense, sculpture of very feebly elevated granules, not cari- 
nate. Thorax very densely rugose-punctate, carinate along the middle. Elytra slightly 
longer than the thorax, densely, deeply, and coarsely punctate. Hind body densely and 
rather coarsely punctured. 
We have received only one mutilated example of this species; it is readily distin- 
guished from S. championi by the dense sculpture. 
3. Stamnoderus optatus. 
Testaceus, capite sublevigato ; prothorace elongato, punctato, medio linea levigata; elytris quam prothorax 
brevioribus. 
Long. 43 millim. 
Hab. Guatemata, San Gerénimo (Champion). 
Head almost entirely impunctate, the clypeus limited by a distinct angular suture. 
Thorax elongate, the narrow anterior portion elongate, the surface irregularly and rather 
coarsely punctate, with a well-marked smooth line along the middle, and an elongate 
linear lateral impression. Elytra narrow at the shoulders, coarsely but not densely 
punctate. Hind body a little constricted at the base ; very little punctured, except on 
the basal segment, and at the base of each of the two following segments. One female 
example. 
4. Stamnoderus gracilis. 
Elongatus, testaceus ; capite anterius rugoso; prothorace elongato, crebre punctato, medio linea levigata minus. 
discreta ; elytris quam prothorax brevioribus. 
Long. 5} millim. 
Hab. Guatema.a, Cerro Zunil 4000 to 5000 feet (Champion). 
Head rugose in front, the posterior part impunctate. Thorax elongate, greatly 
rounded at the sides, the anterior narrow portion elongate, coarsely and closely 
but rather indefinitely punctate, with a smooth line along the middle quite obsolete 
on the anterior part, the lateral impression rather broad and short. Elytra shorter 
than the thorax, coarsely punctate, narrow at the shoulders. Front tibie slender, 
curvate. 
A single female. 
5. Stamnoderus godmani. (Tab. XV. fig. 25.) 
Elongatus, ferrugineus, antennis, palpis pedibusque flavis; abdomine subdilatato, nigricante, apice testaceo ; 
dense punctatus, prothorace elongato, elytris longiore. 
Long. 6 millim. 
Hab. Panama, Volcan de Chiriqui 6000 feet (Champion). 
Antenne long and slender, reaching nearly to the base of the thorax. Head elon-. 
gate, densely rugose-punctate. Thorax elongate, greatly rounded at the sides, and with 
