ORISMOLOGY. 33? 



the head. Ex. Dictyonota crassicornis. PLATE 

 XIII. FIG. 18. a \ 



13. ALATE (Alatus). When its sides are expanded into 



a kind of wing. Ex. Dictyonota crassicornis. 



14. AURICULATE (Auriculatus). When it expands on 



each side into two processes resembling ears. Ex. 

 Ledra aurita. 



15. ANGULATE (Angulatus). When its sides or base 



jut out into one or more angles. Ex. Copris. 



16. CRUCIATE (Cruciatm}. When it has two elevated 



longitudinal obtusangular lines, the angles of which 

 approach each other in its middle, so as nearly to 

 form a St. Andrew's cross. Ex. Locusta. PLATE 

 XIII. FIG. 17. 



17. DEVOLVING (Obvofaens). When there are neither 



ora nor suture to separate it from the antepectus. 

 Ex. StemiS) Curculio L. 



18. PULVINATE (Pulvinatus). When in consequence of 



being depressed in one place, it seems to puff out 

 in another. Ex. Aleochara canaliculata, picea, &c. 



19. PRODUCTED (Productus). When behind it termi- 



nates in a long scutelliform process which covers 

 the Mesothorax, Mctathorax, and great part of the 

 Abdomen. Ex. Acrydium, Centrotus. 



b. ANTEPECTUS. 



1. TRACHELATE (Trachelatum}. When of itself it forms 



a neck, the prothorax being represented only by 

 membrane. Ex. Xiphydria. 



2. UNARMED (Inerme). When it has no prosternum. 



Ex. The Rhyncophorous beetles. 



a Curtis, Brit. Ent. t. 154. 

 VOL. IV. Z 



