34 PRIONID^. 



63. STRONGYLASPIS, 

 Strongylaspis, Chevr. Coll. 



1. Strongylaspis scobinatus. B.M. 



Strongvl'aspis scobinatus, Chevr. Coll. 

 Hab. ? 



64. NAVOSOMA. 



Navosoma, Blanch. Hist, des Ins. ii. 141. 

 Ergates, p., Dej. Cat. 



1. Navosoma triste. B.M. 



Navosoina tviste, Blanch. D'Orb. VAmer. Mer. pi. 20. f. 5. 

 Ergates bi-irapressus, Dup. Dej. Cat. p. 341. 

 Hab. Brazil. 



65. AULACOPUS. 



Aulacopus, Se7-t\ Ann. Sac. Ent. Fr. i. 144. 

 Tragosonia, p., Dej. (olim). 



1. Aulacopus reticulatus. 



Aulacopus reticulatus, Serv. Ann. Soc. Ent. Fr. i. 145, 

 Tragosoma reticulatum, Dej. (olim). 

 Aulacopus rugulosus, Dej. Cat. p. .343. 

 Var. Aul. plicatus, Dupont, Dej. 

 Hab. Senegal. 



2. Aulacopus natalensis, u. s. PL II. f. 4. B.M. 



Aul. niger, capite medio canaliculate ; thorace antice medio emar- 

 ginato ; superficie cribrata, plaga magna dorsali laevigata, spatia 

 duo rotunda cribrata transversa includente ; elvtris singulis 

 quadricostatis, interspatiis reticulatis ; femoribus anticis intus 

 apice scabris. 



Head deeply channeled down the middle, with scattered punc- 

 tures. Thorax with a narrow smooth margin in front, which is 

 notched in the middle ; the lateral margin crenato-dentate ; the 

 sm-face minutely cril)rated, the back with a large polished space 

 deeply notched in front, the sides parallel ; in the middle of the 

 notch a slender elevated smooth line extends to the front margin, 

 and behind it are two small round spaces minutely cribrated and 

 enclosed in the smooth space ; at each of the posterior angles 

 there is an abbreviated smooth line, sometimes disjoined from the 

 large polished space. The elytra have four distinct costae on each, 

 which are reticulated towards the ti)), and have tlie space between 



