104 Mr. F. Smith on new Species 



tlon ; the rest of the thorax beneath has large shallow 

 punctures ; the tarsi pale yellow, with the apical joints black ; 

 wings subhyaline, nervures fuscous. Abdomen : the basal 

 segment strongly punctured, with its apical margin opaque 

 and finely shagreened ; the second, third, and fourth segments 

 are transversely and evenly striated at their base ; the middle 

 portion is strongly punctured, and the apical is shagreened ; 

 the following segments are smooth and shining; the fifth 

 segment has a few punctures at its apical margin, and the 

 terminal segment is canaliculated and ])unctured, and has a 

 tuft of golden setae on each side ; beneath, smooth and shining, 

 the second segment having, on each side, a large ovate space, 

 which is semiopaque, and covered with fine, thin, hoary 

 pile. 



Hah. Ega. 



This species behjngs to St. Fargeau's subgenus Centtocalus, 

 and is a most remarkably sculptured insect. 



Crahfo denfatus. 



Female. Length 3| lines. Black, Avith yellow markings ; 

 a stout tooth in the middle of the anterior margin of the 

 clypeus, and a smaller one on each side at the lateral angles ; 

 the cheeks have also a sharp tooth at their lower posterior 

 angles. Head large, subquadrate, and wider than the thorax ; 

 the ocelli in a curve on the vertex ; the scape and mandibles 

 yellow, the latter rufo-piceous at their apex; the flagellum 

 fulvous. Thorax : the collar, tubercles, two spots on the scu- 

 tellum and another on each side of it, Avhicli unite with the 

 former ones, and the postscutellum yellow ; the anterior legs 

 reddish yellow ; all the coxa?, the intermediate and posterior 

 legs yellow ; all the femora above, and the posterior pair with 

 a line beneath, black ; the semicircular space beneath the 

 postscutellum with coarse, divergent, longitudinal grooves ; 

 wings hyaline and iridescent, with the nervures fuscous. 

 Abdomen subpetiolate ; the basal margins of the segments 

 more or less rufo-testaceous laterally ; the second segment 

 beneath, and the apical margins of the other segments, rufo- 

 testaceous. 



Hab. Para. 



Crabro verticalis. 



Female. Length 3 lines. Black ; two large, yellow, ovate 

 spots on the scutellum, and two smaller spots on the post- 

 scutellum ; abdomen petiolate. Head : the posterior margin of 

 the vertex raised, forming a transverse carina which terminates 

 laterally in a small tubercle; the ocelli in an equilf^teral 



