34-2 ORISMOLOGY. 



*. ELYTRA. 



1. BASE (Basis). The part next the Prothorax. 



2. APEX (Apex}. The part next the Anus. 



3. HUMERAL ANGLE (Angulm Humeralis). The exte- 

 rior basal angle. 



4. SCUTELLAR ANGLE (Angulus Scutellaris). The in- 



terior basal angle. * 



5. COLEOPTRA (Coleoptra). The two elytra spoken of 



together. 



6. SPINIGEROUS (Spinigera). When the Coleoptra 



have a spine common to them both. Ex. Cassida 

 bidens. 



7. AURICULATE (Auriculata). When the Elytra have 



an elongate process at the shoulders. Ex. Cassida 

 bicornis. Taunts, &c. 



8. INTIRE (Integra). When they have neither abbre- 



viations nor incisions. 



9. FASTIGIATE (Fastigiata). When of equal or greater 



length than the abdomen, and transverse at the end. 



10. TRUNCATE (Truncata). When they are shorter 



than the abdomen, and transverse at the end. 



11. ABBREVIATE (Abbreviatd). When they are shorter 



than the abdomen, but cover more than half its 

 length. PLATE I. FIG. 4. 



12. DIMIDIATE (Dimidiata). When they are about 



half the length of the abdomen. PLATE I. FIG. 5. 



13. VERY SHORT (Brevissima). When they are not 



half the length of the abdomen. PLATE I. FIG. 

 2, 3, 7. 



14. MUTILATE (Mutilata). When they appear unna- 



turally short or curtailed as if mutilated. Ex. 

 Acrydium. 



