CRYPTORRHYNCHUS. 649 
One pair, in rather dirty condition. This species has the general facies of 
Chetectetorus bifasciatus, Boh., an Australian insect. The two elongate ridges on 
the third elytral interstice are very prominent and narrowly separated. 
28. Cryptorrhynchus conspurcatus, sp. n. (Tab. XXXII. figg. 2,2a,2.) 
Elongate, rather shining, black ; thickly clothed with dark greyish-brown scales, and also set with short, 
scattered sete, these latter becoming longer and more crowded at the apex of the prothorax, the vestiture 
of the abdomen sparser, the legs setulose. Head rugulosely punctate, flattened between the rather 
small, widely separated eyes; rostrum stout, feebly curved, barely as long as the prothorax, rugulosely 
punctate, the antennz inserted behind the middle, joints 1 and 2 of the funiculus elongate, 2 nearly ss 
long as 1, the club ovate, blunt at the tip. Prothorax fully as long as broad, feebly constricted and 
gradually narrowed in front, the apex arcuately produced above, the base strongly sinuate ; coarsely 
punctate, the anterior lobe minutely punctate on the disc. Scutellum oval. Elytra rather long, much 
wider than the prothorax, parallel in their basal half, produced at the apex, the humeri rounded; 
coarsely seriate-punctate, the interstices broad near the suture and narrow towards the sides, 1 feebly 
seriato-granulate, 2 with a small prominence before the middle, 3 with two widely-separated, swollen, 
elongate ridges (one below the base, the other median), and 5-8 also more or less raised. Ventral 
segments rather sparsely punctate, 2 a little longer than 3. Mesosternum broad, very prominent, arcuate- 
emarginate. Legs moderately long; femora unidentate, the anterior pair sublinear and somewhat 
elongated ; tibize very feebly sinuate on their inner edge. 
Length 7, breadth 3 millim. ( 9.) 
Hab. Panama, Volcan de Chiriqui (Champion). 
One specimen. Larger and more elongate than C. inelegans; the prothorax not 
nodose, gradually narrowed in front, and with the anterior lobe longer and smoother ; 
the elongate ridges on the third elytral interstice more widely separated ; the anterior 
tibie not dilated within ; the second ventral] segment much shorter. 
Species small, subovate, sparsely squamose, with the rostrum strongly curved, the eyes hidden 
in repose by the prominent ocular lobes of the prothorax, the antennal club ovate, the 
prothorax bicristate, the elytra subtriangular, with very prominent, oblong, setigerous 
prominences on the disc, the mesosternum v-shaped, the ventral segment 2 nearly as long 
as 3 and 4 united, the femora unidentate. (No. 29.) 
29. Cryptorrhynchus nigrocristatus, sp.n. (Tab. XXXII. fig. 3, ¢.) 
Subovate, opaque, black, slightly variegated with rufo-piceous, the antenne, and the legs in part, ferruginous ; 
clothed with a few scattered blackish and brown scales, the elytra with an irregular, interrupted, pale 
brown apical patch, the vestiture of the legs, rostrum, and under surface closer and similarly-coloured ; 
the ridges on the prothorax and at the base of the elytra set with short, erect, blackish sete, the third 
elytral interstice with a dense, broad, oblong cluster of longer, coarse, black sete at about the middle. 
Head densely punctate, subcarinate down the middle, the eyes placed low down and covered in repose ; 
rostrum short, strongly curved, cylindrical, rugulosely punctate and feebly tricarinate, sparsely punctate 
_ at the apex, the antenn inserted near the tip, joint 2 of the funiculus a little shorter than 1, the club 
ovate. Prothorax transverse, narrowed in front; closely punctate, depressed down the middle anteriorly, 
the depression limited on each side by a short longitudinal ridge, the ocular lobes very prominent. 
Scutellum oval. Elytra much wider than the prothorax, subtriangular, the humeri swollen and obliquely 
truncated; seriate-punctate, the alternate interstices more or less raised, 3 and 5 slightly swollen and 
BIOL. CENTR.-AMER., Coleopt., Vol. IV. Pt. 4, January 1906. 400 
