348 ORISMOLOGY. 



nute scales. Ex. Lepidoptera. PLATE XXII. 

 FIG. 16. a, b 9 c, d, &c. 



2. DEN UD ATE (Denudata}. When the wings of Le- 



pidoptera appear more or less as if the scales had 

 been rubbed off, either partially or generally. Ex. 

 HeliconiuS) Sesia, Zygcena, Nudaria. 



3. FENESTRATE (Fen&tratte), When one or two de- 



finite spaces in a Lepidopterous wing are denuded 

 of scales. Ex. Attacus Atlas, &c. 



4. BARE (Nudac). When wings have neither percep- 



tible hairs nor scales. Ex. Coleoptera. 



F. Margin. 



1. ANTERIOR or EXTERIOR (Anterior or Exterior). 



The outer margin of the wing, or that from the 

 body. PLATE XIV. FIG. 1. a. 



2. INTERIOR (Interior}. The inner margin of the wing, 



or that next the body. PLATE XIV. FIG. 1. b. 



3. POSTERIOR (Posterior). The terminal margin of 



the wing, or apex. PLATE XIV. FIG. 1. c. 



4. PLECTRUM (Plectrum). A marginal bristle stronger 



than the rest, observable about the middle of the 

 costa and standing out from it. Ex. Many Mus- 

 cidcE. 



G. Angles. 



1. HUMERAL (Humeralis). Basal angle next the head. 



PLATE XIV. FIG. 1. d. 



2. SCUTELLAR (Scutellaris). Basal angle next the scu- 



tellum or its region. PLATE XIV. FIG. 1. e. 



3. POSTERIOR (Posterior}. Outer apical angle. PLATE 



XIV. FIG. 1. f. 



