54 RHYNCHOPHORA. 
scutellum. Elytra rather long and narrow, somewhat finely striate, the strie only 
indistinctly punctured. Legs short; breast very protuberant. 
We have received four specimens of A. derasum; the sexes appear to be represented, 
but if so they differ very little from each other. 
16. Apion panamense, sp. n. 
Nigerrimum, sat nitidum, nudum ; rostro mediocri, punctulato ; prothorace subcylindrico, sat crebre et fortiter 
punctato ; elytris leviter striatis. 
Long. 2 millim. 
Hab. Panama, Bugaba, San Feliz (Champion). 
Rostrum in the male a little shorter than, in the female about as long as, the head 
and thorax, otherwise similar in the two sexes, moderately stout, cylindrical, punc- 
tate; eyes rather small, but prominent, the interval between them moderately broad, 
biseriately punctate ; antennz small, not stout, inserted near the base of the rostrum, but 
at a greater distance from it than the width of the interocular interval, the basal joint 
tawny. ‘Thorax nearly as long as broad, a little rounded at the sides, not narrowed 
in front; the surface almost dull, with numerous rather large but not deep punctures ; 
without any distinct channel in front of the scutellum, but with a small smooth space 
there. Elytra lightly striate; middle cox approximate. Four specimens. 
Though similar to A. derasum, this is well distinguished therefrom by the form and 
punctuation of the prothorax. 
17. Apion pauper, sp. n. 
Angustum, subopacum, nigrum, supra subeneum, tenuissime setosum ; rostro mediocri, valde curvato; pro- 
thorace subcylindrico, crebre fortiter punctato; elytris anguste, minus profunde, sulcatis, interstitiis 
planis. 
Long. 14 millim. 
Hab. Mexico, Cuernavaca in Morelos in June (H. H. Smith) ; GuaTEMaLa, near the 
city (Champion). 
Rostrum rather slender, dull, curved and deflexed, scarcely so long as the head and 
thorax ; antenne inserted about as far from the base as the distance between the eyes, 
black, with the basal joint piceous-yellow ; head narrow; eyes not convex, the space 
between them moderately broad, quite dull, but only obsoletely sculptured. ‘Thorax 
narrow, subcylindrical, but slightly narrowed in front, rather coarsely but moderately 
closely punctate, with a short canaliculitorm impression at the base. Elytra narrow, some- 
what flat on the disc, with rather fine, moderately deep, punctate grooves, feebly shining, 
more distinctly brassy than the thorax; interstices quite flat. Under surface without 
white sete beneath the eyes, with a slight white pubescence at the sides of the breast. 
One example from Mexico, three from Guatemala; if I have the sexes before me, 
