neio species of CryptoceridcB. 607 



eacli puncture mth a pale seta ; tlie anterior margin of tlie 

 prothorax arclied, the lateral angles acute and pale testa- 

 ceous ; the sides curved, narrowed posteriorly ; the meta- 

 thorax emarginate, forming a blunt tooth at the lateral 

 ano-les; the tarsi ferruginous. Abdomen oblong-ovate 

 and deeply emarginate at the base; the first node oi the 

 peduncle oblong, and having a small tooth on each side ; 

 the second node transverse, with a short curved tooth on 

 each side at the base. (Fig. 5, ? . PI. XI.) 



Hah. — Mexico. 



Type in the British Museum. 



6. Cryptocerus maculatiis. 



Female.— Length 2| lines. Black, punctured, each 

 puncture with a pale shining seta ; the abdomen with two 

 basal and two sub-apical pale yellow macula?. Head 

 oblong, with the lateral margins raised. Thorax oblong ; 

 the prothorax mtli the anterior portion transverse and 

 decHning forwards ; the anterior margin arched, with the 

 lateral angles acute ; narrowed to the metathorax, Avhich is 

 emarginate and toothed laterally. Abdomen deeply 

 emarginate at the base ; the basal maculre triangular, the 

 apical ones ovate ; the first node of the peduncle sub- 

 globose ; the second wider than the first, aiiteriorly pro- 

 duced laterally into a curved tooth, from which it is nar- 

 rowed posteriorly. (Fig. 6, $ . PI. XI.) 



^«i.— Bahia. Type in the British Museum. 



7. Cryptocerus fencstralis. 



Female.— Length of lines. Black; head and thorax 

 strongly punctured and slightly shining; the abdomen 

 delicately shagrcened, giving it a silky texture, shghtly 

 shining. Head oblong, convex, the lateral margins nearly 

 parallel to the eyes; m front of them the head slightly 

 widens and the margins are slightly raised; the posterior 

 margin has the middle nearly straight, and on each side it 

 is emarginate, the lateral angles being acute. The pro- 

 thorax transverse and produced laterally into a stout tooth 

 or spine ; the sides rounded to the metathorax, which is 

 deeply emarginate, and has a stout spine on each side, 

 ■ Avhich diverges slightly outwards. Wmgs brown, with 

 the first submarginal cell hyaline. Abdomen oblong; the 



