OTIDOCEPHALUS. 249 
rostrum moderately stout, much shorter than the prothorax, punctato-sulcate at the sides, smooth along 
the middle; antenne with joints 2-7 of the funiculus short, 1 about twice the length of 2, the club 
ovate. Prothorax elongate, cylindrical, constricted at the base, the disc transversely rugose, except in 
front, where it is closely punctate, the flanks smooth, except for a few scattered punctures. LHlytra 
elongate, wider than the prothorax, widening to beyond the middle, transversely wrinkled along the 
suture and on the apical declivity; rather coarsely seriate-punctate, the punctures closely placed, the 
interspaces flat, 1-5 each with a single, scattered, irregular series of setigerous punctures similar to those 
of the stric, the others almost impunctate. Femora each with a large triangular tooth. Anterior tibie 
broad and flattened, curved on their outer edge and feebly sinuate within. 
Length 74, breadth 24 millim. (9?) 
Hab. Mexico, State of Vera Cruz (Sailé). 
One specimen, somewhat immature and partly abraded. A very elongate form, with 
the disc of the prothorax transversely rugose, the dorsal interstices of the elytra as 
coarsely punctured as the striz, the femoral tooth large, the anterior tibiz curved 
externally and much flattened. It has somewhat the facies of O. pellitus, but is much 
more elongate, and with a very different vestiture and sculpture of the elytra. 
36. Otidocephalus prolongatus, sp. n. 
Elongate, narrow, subconical, black, shining ; clothed with widely scattered, long, erect, blackish sete, which 
on the elytra are arranged in a single series along each of the alternate interstices 1, 3, 5, 7, and at the 
apex are intermixed with white hairs, the vestiture of the scutellum and under surface white, the legs 
with intermixed white and blackish hairs. Head sparsely, rather coarsely punctate, feebly sulcate 
between the eyes, which are moderately large and widely separated; rostrum stout, much shorter than 
the prothorax, punctato-sulcate at the sides, smooth and subcarinate along the middle; antenne with 
joint 2 of the funiculus much longer than 3, 3-7 subequal, the club ovate. Prothorax long, subeylindrical, 
a little narrowed in front and behind, the disc coarsely punctate and transversely rugose, the flanks 
smooth. Elytra elongate, a little wider than the prothorax, moderately convex, slightly flattened on the 
disc anteriorly, gradually widening to the middle, the humeri obtuse; finely seriate-punctate, the 
interstices 1, 3, 5,7 more or less distinctly uniseriate-punctate. Fifth ventral segment feebly emarginate 
at the apex in the g. Femora each with an exceedingly large triangular tooth. Anterior tibie strongly 
sinvate within. 
Length 6-74, breadth 2-25 millim. (d 9.) 
Hab. Guatemata, Cerro Zunil, Pacific slope 4000 feet (Champion). 
Found in plenty at Cerro Zunil. Allied to the Mexican 0. rugicollis, differing from 
it in the deep black coloration, the less closely rugose prothorax, which have a much 
larger impunctate space on the flanks, the smoother elytra, with the alternate interstices 
only setose and the white hairs not extending so far forwards, &c. 
37. Otidocephalus longipennis, sp. n. (Tab. XIII. figg. 20, 20a.) 
Elongate, black, shining; clothed with moderately long, scattered, erect, blackish sete, which on the elytra 
are arranged in a single row along each of the dorsal interstices, the prothorax with white hairs at the 
base, the vestiture of the scutellum and under surface white, the legs with intermixed white and blackish 
hairs. Head sparsely punctate, flattened above the eyes, which are moderately large and widely separated ; 
rostrum shorter than the prothorax, punctato-sulcate at the sides, smooth along the middle; antenne 
with joint 2 of the funiculus slightly longer than 3, the club ovate. Prothorax moderately long, sub- 
cylindrical, a little narrowed at the base, sparsely punctate, the punctuation becoming closer at the base 
BIOL. CENTR.-AMER., Coleopt., Vol. IV. Pt. 4, August 1903. QKK 
