BUTTERFLIES OF MONTANA. 169 



Transverse, crosswise. 



Trochanter, an appendage at the base of the thigh. 



Trophi, the mouth parts. 



Truncate, cut square off. 



Tubercle, a small swelling or prominence. 



Undulating, vibrating; wavy. 



Umbel, as applied to Botany, a flower-cluster in which a number of the 



same length spring from the same point, thus radiating like the stays 



of an umbrella. 

 Variation, a deviation in function or structure from the usual form, but not 



breeding true to type. 

 Veins and Venules, the frame work of tne wings. 

 Venation, see neration. 

 Venter, the lower part of the body. 

 Ventricose, distended. 



Verticillated. arranged in a circle around an axis. 

 Villi, soft hairs. 

 Violaceous, violet color. 



Vitellinus, yellow with a slight tinge of red. 

 Vita, a longitudinal colored line. 

 Washed, see laved. 



