328 ORISMOLOGY. 



4. FILIFORM (Filiformes). Antennae every where of an 



equal thickness. PLATE XL FIG. 3. 



5. THICK (Crassae). Antennae disproportionately thick. 



PLATE XII. FIG. 29. 



6. INCRASSATE (Incrassatte}. Antennae disproportion- 



ably thick in any part : at the base, middle, or apex. 

 PLATE XXV. FIG*. 34, 19, 7. 



a. GRADUALLY INCIIASSATE (SensimlncrassateB). When 



they grow gradually thicker from the base to the 

 apex. PLATE XXV. FIG. 10. 



b. SUDDENLY INCRASSATE (Subito Incrassatce}. When 



they grow suddenly thicker in v any part. PLATE 

 XXV. FIG. 18, 19, 24. 



7. BROAD (Lat<z\ Antennae disproportionably wide. 



PLATE XXV. FIG. 24. 



8. DILATED (Dilatata}. When they are dispropor- 



tionably wide in any part ; base, middle, or apex. 

 PLATE XXV. FIG. 12. PLATE XII. FIG. 1, 20. 



9. SLENDER (Tenues). When they are disproportion- 



ably slender. PLATE XI. FIG. 2. 



10. ATTENUATE (Attenuate). Antennae disproportion- 



ably slender in any part ; base, middle, or apex. 

 PLATE XXV. FIG. 8, 21, 34. 



a. GRADUALLY ATTENUATE (Sensim Attemiatce}. When 



they grow gradually more slender from the base 

 to the apex. PLATE XI. FIG. 7. 



b. SUDDENLY ATTENUATE (Subito Attenuate}. When 



they grow suddenly slender in any part. PLATE 

 XII. FIG. 1. PLATE XXV. FIG. 18, 34. 



11. FUSIFORM (Fusiformes). Antennae thickest in the 



middle and tapering more or less towards each 



