HYMEXOPTERA. l[)\ 



Ifi. Cryptocerus OBTUSVH. B.M. 



Worker. Leugtli 2A lines. — Opake black : head large, wider 

 than the thorax or abdomen ; the sides margined before the 

 eyes and obscurely ferruginous, widely emarginate in front; the 

 posterior lateral angles of the head rounded, emarginate be- 

 tween; the antemue rufo-piceous at their apex. Thorax: the 

 prothorax transverse, with two blunt teeth on each sidr ; the 

 mesothorax narrowed to the base of the metathorax, the latter 

 with a short tooth at its basal angles, the apical angles being 

 produced into long stout obtuse spines. Abdomen ovate, nar- 

 rowly margined, and deeply emarginate at the base, the margins 

 at the base ferruginous ; the nodes of the peduncle transverse, 

 the second node with a short stout s))ine at the sides ; the entire 

 insect sprinkled with minute glittering scales. 



Hab. Brazil (Santarem). (Coll. H. W. Bates.) 



17- Cryptocerus Pinelii. 



Cryptocerus Pinelii, Giier. Icon. Rec/. Anim. 425. 



Smith, Mon. Crypt. Trans. Ent. Soc. Lond. 2nd ser. ii. 22 1 . 1 .9. 



Hab. Brazil (Moro-Gueimado). 



18. Cryptocerus complan.\tus. 



Cryptocerus complanatus, Gaer.lcon. Reg. Anim. 424 ^ . 



Smith, Mon. Crypt. Trans. Ent. Soc. hond. 2iul ser. ii.221.20. 



Hab. Cayenne. 



19. Cryptocerus Pavonii. 



Cryptocerus Pavonii, Lair. Gen. Crust, etins. iv. 132 ^ . 



Smith, Mon. Crypt. Trans. Ent. Soc.Lond.2ni\ ser. ii. 221 .21. 



Hab. South America. 



20. Cryptocerus discocephalu.s. B.M. 



Crvptocerus discocephalus. Smith, Mon. Crypt. Trans. Eat. Soc. 

 Lond. 2nd ser. ii. 222. 23. pi. 20. f. 2 ^ . 



Hab. BrazU (Villa Nova). (Coll. H. W. Bates.) 



21. Cryptocerus causticus. 



Formica caustica, Pohl Sf- Kollar, Bras. Ins. 17- t. . f. 12 5 • 

 Cryptocerus causticus, Guer. Icon. Rec/. Anim. 426. 



Smith, Mon. Crypt. Trans. Eni . Soc. Lond. 2nd ser. ii. 222. 24. 



Hab. Brazil. 



