236 CHARLES A. BLAKE. 



iijiex black; under side black, closely punctured, ventral segments fringed witb 

 imle golden mixed with silvery hairs. Length 7-11 mm. 



Hab. — Mexico. Prof. F. Sumiclirast. 



In some specimens the head is clothed with a dense golden pubes- 

 cence. 



Sphserophtlialnia solola Blake. 



Female. — Black ; head rounded, densely clothed with coarse, deep golden jiu- 

 be-scence ; antennpe black ; eyes round, prominent ; thorax short, clothed similar 

 to the head, except a round black patch on the disc of mesothorax, which is lat- 

 erally produced into obtuse angles, metathorax abruptly truncate behind : legs 

 black, thinly clothed with pale hairs; intermediate and posterior tibife armed 

 exteriorly with a row of strong spines, calcaria black ; abdomen broadly ovate, 

 clo.sely punctured, basal segment small, .second segment having a broad emar- 

 ginate band of deep golden pubescence at its apical margin and two round .spots 

 of the same color placed laterally near the base ; third segment clothed with 

 deep black, apical segments with pale golden pubescence ; under side coarsely 

 l)unetured, lateral carinte di.stinct, ventral segments fringed with pale glittering 

 hairs. Length 7-8.5 mm. 



Hab. — Guatemala. Prof. F. Suniichrast. 

 Closely allied to *S'. Cressoni. 



Sphseroplithalina arachnoides Smith. 



Female. — Black ; densely pubescent, that on the head ochraceous ; thorax and 

 legs covered with ochraceous pubescence, the former having a large 

 rounded patch of black on the disc ; the abdomen is also covered with 

 ochraceous pubescence, the .second segment having a large trilobate 

 Ijlack pubescent patch, which extends from the basal to the apical 

 margin of the segment ; the fifth and sixth segments are covered with 

 black pubescence, the sides being pale. Length 12 mm. 



Hab.— Mexico. 



A very distinct and well marked species. In the series 

 before me the individuals vary in length from 11 mm. to 14 mm. 



Sphserophtltalina forniosa Blake. 



fVma/e. — Head quadrate, slightly wider than the thorax, clothed with dense 

 bright golden pubescence, interspersed with erect hairs of the same color; an- 

 tennae piceous, mandibles rufo-piceous, tips black ; eyes round, prominent ; tho- 

 rax short, .subovate, finely reticulated, anterior margin fringed with deep golden 

 pubescence, behind which is a lunate patch of brownish black, apical 

 half clothed with glittering pale golden pile, metathorax roundly 

 truncate, with a small obtuse black tooth on each side ; sides of thorax 

 clothed with silvery pubescence ; legs rufo-piceous, clothed with glit- 

 tering silvery hairs, intermediate and posterior tibia armed with a 

 row of spines, po.sterior femora with an acute tooth, calcaria pale yel- 

 low tipped with brown ; abdomen ovate, apical margin of basal seg- 

 ment clothed with silvery pubescence, second segment clothed with 

 glittering, pale golden pile, with a round patch of black pubescence at 

 the base, connected with the apical margin, which is of the .same color, by a nar- 



