278 MR. A. MURRAY'S MONOGRAPH OF THE FAMILY OF NITIDULARLE. 
95. COLASTUS CIRCUMSCRIPTUS. 
Erichs. in Germ. Zeitschr. iv. 238 (1843). 
C. lunatus (Motsch.). 
Depressus, testaceus, pilosellus; elytris seriatim punctatis, nigro cinctis. Long. 2} lin., 
lat. 1 lin. | 
Habitat in Brasilia. 
Much depressed, testaceous, shining, sparingly pubescent. Antenne testaceous, club 
fuscescent. Head somewhat pilose, sparingly punctate, with an anterior spot and the 
vertical margin black. Thorax broad, truncate at the base, lightly rounded on the sides, 
flat, sparingly punctate and slightly pilose, with the middle of the apical margin black. 
Scutellum sparingly punctate. Elytra somewhat longer than the thorax, flat, closely and 
regularly punctate-striate, with pubescence in rows, the lateral and apical margins black, 
the suture piceous. Abdomen sparingly punctate, slightly pilose, with the apex black. 
Body below and legs testaceous. 
Like a large pale C. amputatus with some long fulvous pubescence; but it is variable 
in size, being sometimes no larger than C. amputatus. The pubescence is the readiest 
character by which to distinguish it. 3 
Found in South America from Central America to Brazil. 
96. COLASTUS VARIUS. 
Erichs. Cons. Ins. Coleopt. Peruan., in Wiegm. Arch. xiii. 1. 92 (1847). 
Planus, leviter punctatus, subopacus, pilosellus, testaceus, frontis maculis tribus 
verticeque, thoracis macula utrinque laterali, margineque basali, pygidii 
margine apiceque, scutello elytrisque nigris, his striato-punctatis, macula 
basali testacea. Long. 2 lin. 
Habitat in Peruvia. 
Flat, depressed, somewhat pilose, subopaque, faintly punctate, testaceous. Head with 
the vertex and three spots in front black. "Thorax with the base narrowly black and a 
small rounded black patch on each side before the middle. Scutellum black. Elytra 
punctate-striate, black, except the scutellar region. Abdomen with the apex and margins 
of the pygidium blackish. 
Somewhat of the depressed form of C. amputatus, but larger, and readily recognized 
by the peculiar distribution of colour. 
From Peru. 
97. COLASTUS MELANOCEPHALUS. 
Erichs. in Germ. Zeitschr. iv. 238 (1843). 
Strongylus maculicollis (Dej. Cat. 135, ed. 1837). 
Depressus, testaceus, fulvo villosulus; capite, thoracis disco anteriore elytro- 
rumque margine exteriore nigris. Long. 31 lin., lat. 12 lin. 
Habitat in Cayenne. 
Oblong, depressed, testaceous, somewhat shining, with long pilose pubescence. An- 
