316 ORISMOLOGY. 



&c. are dilated so as to shelter and overshadow 

 the mouth. Ex. Scarabceus, Copris, &c. PLATE 

 XIII. FIG. 14. 



2. CAPISTRATE (Capistratum}. When the anterior 



part of the head is attenuated and subelongated 

 into a kind of Jlatjostrum or muzzle. Ex. Niti- 

 dula. PLATE XIII. FIG. 13. 



3. ROSTRATE (Rostratum). When the anterior part 



of the head is elongated and attenuated into a cy- 

 lindrical or many-sided rostrum or beak. Ex. The 

 weevils (Rhyncophora}. PLATE XIII. FIG. 12. 



4. BUCCATE (Buccatum). When the Nasus and ante- 



rior part of the head are inflated. Ex. Conops and 

 other Diptera. PLATE XIII. FIG. 16. 



iv. APPENDAGES. 



1. UMBRACULATE (Umbraculatum). When there is 



upon the head an umbrella-shaped process. Ex. 

 Gryllus umbraculatus. 



2. LYCHNIDIATE (Lychnidiatum). When the Vertex, 



Frons, and Postnasus are porrected so as to form a 

 kind of rostrum which gives light in the night. 

 Ex. Fulgora. PLATE XIII. FIG. 15. 



v. MOUTH (Os). 



1. TERMINAL (Terminate). When the mouth termi- 



nates the head. Ex. Coleoptera, &c. 



2. PRONE (Pronum). When the mouth is wholly un- 



der the head. Ex. Truxalis^ Proscopia. 



3. PERFECT (Perfectum). When the mouth is furnished 



with all the Trophi. Viz. Labrum / Labium ,- 



