h. termination.
α. versatile antennæ.
1. Subulate (Subulatæ). When they terminate in a minute joint, much slenderer than the preceding one. Plate [XII]. Fig. 16.
2. Setigerous (Setigeræ). When they terminate in a bristle. Plate [XII]. Fig. 14, 15. Plate [XXV]. Fig. 29.
3. Capillaceous (Capillaceæ). When they terminate in a fine capillary joint. Plate [XII]. Fig. 1.
4. Mucronate (Mucronatæ). When they terminate in a short point or mucro. Plate [XII]. Fig. 2.
5. Uncinate (Uncinatæ). When their apex is incurved so as to form a kind of hook. Plate [XII]. Fig. 3.
6. Unguiculate (Unguiculatæ). When they terminate in a hard horny incurved sharp claw resembling those of the tarsi of insects. Plate [XXV]. Fig. 16. a.
7. Clavate (Clavatæ). When their apex grows gradually thicker. Plate [XII]. Fig. 4. Plate [XXV]. Fig. 7, 14.
8. Capitate (Capitatæ). When they terminate suddenly in a larger knob of one or more joints. Plate [XII]. Fig. 8-10, and [XXV]. 1-3, 5, 6.
a. Fissile Knob (Capitulum fissile). When it is divided into several laminæ which the insect can open and shut. Plate [XXV]. Fig. 1-3, 5.
b. Tunicate Knob (Capitulum tunicatum). When the laminæ, at least on one side, appear to inosculate or to be imbedded in each other. Plate [XII]. Fig. 8. Plate [XXV]. Fig. 5, 6.
c. Perfoliate Knob (Capitulum perfoliatum). When the joints of the knob are connected by a pedicle, which has the appearance of passing through them. Plate [XII]. Fig. 10.
d. Solid Knob (Capitulum solidum). When the knob consists of a single joint, or if of more, exhibits very faint traces of their separation. Plate [XII]. Fig. 9. Plate [XXV]. Fig. 33.
e. Inflated Knob (Capitulum inflatum). When the knob is disproportionably large, and looks as if blown out. Plate [XII]. Fig. 28. Plate [XXV]. Fig. 9.
β. inversatile antennæ.
1. Setigerous (Setigeræ). Antennæ furnished with a terminal bristle. Plate [XII]. Fig. 14-16, 21, 22. Plate [XXV]. Fig. 29.
a. Globiferous (Globiferæ). When the setigerous joint is larger than the preceding one, and globose. Plate [XII]. Fig. 12.
b. Angustate (Angustatæ). When the setigerous joint is not conspicuously larger than the preceding one. Plate [XII]. Fig. 14, 15.
2. Aristate (Aristatæ). Antennæ terminated by a variously shaped flat joint longer and usually larger than the preceding one, laterally setigerous. Plate [XII]. Fig. 21, 22.
a. Setarious (Setariæ). When the awn or bristle is naked. Plate [XII]. Fig. 21. a.
b. Plumate (Plumatæ). When the awn is feathered. Plate [XII]. Fig. 22. a.
3. Filate (Filatæ). When inversatile antennæ have neither a terminal nor a lateral bristle. Plate [XII]. Fig. 17-20.
a. Simple (Simplices). When the last joint is exarticulate. Plate [XII]. Fig. 17, 18, 20.
b. Compound (Compositæ). When the last joint is itself obsoletely jointed. Plate [XII]. Fig. 19. a.
i. pubescence.
1. Verticillate (Verticillatæ). Antennæ beset with hair in whorls. Plate [XII]. Fig. 27.
2. Plumose (Plumosæ). Antennæ feathered on all sides with fine long hair. Plate [XII]. Fig. 24.
3. Ciliate (Ciliatæ). Antennæ fringed with parallel hairs on each side. Plate [XI]. Fig. 16.
4. Fimbriate (Fimbriatæ). Antennæ fringed with parallel hairs on one side.
5. Barbate (Barbatæ). Antennæ hairy on one side. Plate [XII]. Fig. 26.
6. Fasciculate (Fasciculatæ). Antennæ having several bundles of hair. Plate [XXV]. Fig. 32.
7. Scopiferous (Scopiferæ). 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 (Exarticulatæ). Without visible articulations.
2. Biarticulate (Biarticulatæ). Consisting of two joints.
3. Triarticulate (Triarticulatæ). Consisting of three joints.
4. Quadriarticulate (Quadriarticulatæ). Consisting of four joints.
5. Multiarticulate (Multiarticulatæ). Consisting of many joints.