368 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxi. 



margins, the amount of yellow and fuliginous varying. Pubescence 



golden, varying in shade. 



Kmalr. — Head rather (juadrangular from above, the front slightly 

 rounded between the eyes; clypeus not extending far below the e^'es, 

 (juite arched laterally above, thickly clothed with pubescence and long, 

 (|uite stout, golden hairs; its anterior margin strongly rounded, with a 

 l)air of short, rather pointed, broad based teeth at the middle separated 

 by a notch, and another just outside each tooth separating it from the 

 margin; frons densely pubescent to above the level of the median 

 ocellus, with long, golden hairs, growing shorter above; distance from 

 a lateral ocellus to the eye about equal to that between the ocelli; 

 vertex and occiput densely brownish-black sericeous, with numerous 

 long, golden hairs, with an oblong-oval, slightly raised area just behind 

 the ocelli; cheeks about two-thirds to three-ipiarters the width of the 

 eyes, pubescent from near the top to near the bottom of the eye and 

 nearly their whole width, and bearing munerous long, golden hairs, 

 longest and largest below; inner margms of the eyes about parallel; 

 antennte black, black-seiiceous but toward the tips rather grayish in 

 some lights; scape with numerous rather tine punctures and short, 

 golden hairs, particularly on the inner side; relative lengths of the 

 tilament segments g^g, g^, g^,,, 2*0, i\; mandibles long, the tip of each 

 reaching the base of the other; black with a slight ferruginous band 

 between the base and the bases of the teeth; their lower surface 

 strongly longitudinall}' rugose (striate i'); with a row of long, golden 

 hairs on the posterior face and a few scattered ones in front. 



Thorax. — Neck with a pubescent band crossing it above and turning 

 backward at the sides; collar closely appressed against the mesonotum, 

 its anterior face almost at right angles to the neck except near its 

 base, where it is oblique for a very short distance; all except this 

 oblique part quite thickl}^ pubescent, least so'in the middle, and with 

 numerous long, golden hairs; dorsal edge of tiie collar somewhat flat- 

 tened in the middle; the lower half of its lateral face black, tinely 

 punctured, the black continued down to the edge of the plate; pro- 

 thoracic lobe black in front, pubescent behind, and with rather short, 

 golden hairs; prosternum pubescent in front of each coxa, its whole 

 surface with many long, golden hairs; mesonotum with a broad pubes- 

 cent band on each side extending downward in front of the tegula to 

 the prothoracic lobe, narrowing somewhat posteriorly and bending 

 inward on the hind margin of the plate to meet the band from the 

 other side; the rest of the plate densely brownish-black sericeous, 

 velvety, except for a trace of golden pubescence along the anterior 

 median groove and extending back al)out half the length of the plate, 

 the groove itself being concealed by this; the plate also has numerous 

 short, erect golden hairs and its lateral margin is somewhat reflexed; 

 scutellum rather arched, very slightly notched in the middle l)ehind, 



