328 ORISMOLOGY. 
4-. Filiform (Filiformes). Antennae every where of an 
equal thickness. Plate XI. Fig. 3. 
5. Thick (Crasscc). Antennae disproportionably thick. 
Plate XII. Fig. 29. 
6. Incrassate (Incrassatcc). Antennas disproportion- 
ably thick in any part : at the base, middle, or apex. 
Plate XXV. Fig. 34, 19, 7. 
a. Gradually Incrassate [Scnsim Incrassatcc). When 
they grow gradually thicker from the base to the 
apex. Plate XXV. Fig. 10. 
b. Suddenly Incrassate (Subito Incrassatcc). When 
they grow suddenly thicker in any part. Plate 
XXV. Fig. 18, 19, 24. 
7. Broad (Lata). Antennae disproportionably wide. 
Plate XXV. Fig. 24. 
8. Dilated (Dilatatce). When they are dispropor- 
tionably wide in any part ; base, middle, or apex. 
Plate XXV. Fig. 12. Plate XI I. Fig. 1, 20. 
9. Slender (Tenucs). When they are disproportion- 
ably slender. Plate XI. Fig. 2. 
10* Attenuate (Attenuatce). Antennae disproportion- 
ably slender in any part ; base, middle, or apex. 
Plate XXV. Fig. 8, 21, 34. 
a. Gradually Attenuate (Se?isim Attenuates) . When 
they grow gradually more slender from the base 
to the apex. Plate XL Fig. 7. 
b. Suddenly Attenuate (Subito Attenuatce). When 
they grow suddenly slender in any part. Plate 
XII. Fig. 1. Plate XXV. Fig. 18, 34. 
11. Fusiform (Fusijbrmes). Antennae thickest in the 
middle and tapering more or less towards each 
