ORISMOLOGY. 333 
3. Filate (Filatce). When inversatile antennae have 
neither a terminal nor a lateral bristle. Plate 
XII. Fig. 17—20. 
a. Simple (Simpltces). When the last joint is exarti- 
culate. Plate XII. Fig. 17, 18, 20. 
b. Compound {Composite). When the last joint is it- 
self ohso\ete\y jointed. Plate XII. Fig. 19. a. 
i. pubescence. 
1. Verticillate {Verticlllatcc). Antennae beset with 
hair in whorls. Plate XII. Fig. 27. 
2. Plumose (Plumosce). Antennae feathered on all 
sides with fine long hair. Plate XII. Fig. 24. 
3. Ciliate (Ciliatce). Antennae fringed with parallel 
hairs on each side. Plate XL Fig. 16. 
4% Fimbriate {Fimbriatce). Antennas fringed with 
parallel hairs on one side. 
5. Barbate (JBarbatce). Antennae hairy on one side. 
Plate XII. Fig. 26. 
6. Fasciculate (Fasciculatce). Antennae having se- 
veral bundles of hair. Plate XXV. Fig. 32. 
7. Scopiferous (Scopiferce). When they are furnished 
with one or more dense brushes of hair. Plate 
XII. Fig. 25. a. Plate XXV. Fig. 17. 
k. articulation. 
1. Exarticulate {Exarticulatee). Without visible ar- 
ticulations. 
2. Biarticulate {Biarticulata). Consisting of tivo 
joints. 
3. Triarticulate (Triarticulatce). Consisting of 
three joints. 
