INSECTS. Q 



therefore necessary slightly to enumerate their 

 differences. 



Antenna sefacea, or setaceous Antenna, means 

 one which is shaped like a bristle, or which grows 

 extremely fine and sharp at its termination. 



Antenna Jiltformis, or thread-shaped, differs from 

 the former in being of equal diameter through- 

 out, or not visibly smaller at the tip than in other 

 part>. 



Antenna moml'iformis, or moniliform, is that in 

 which the joints are shaped like the beads of a 

 necklace, each joint being globular or nearly so. 



Antenna cla~cata, clavated or club-shaped, is one 

 which thickens at the tip into a knob or small 

 club, as in the major part of Butterflies. 



Antenna Jissilis, or fissile, is one which is split 

 or divided at the tip into several lamellae or flat 

 separations, as in the Beetles strictly so called, 

 or Scaraba?i. 



Antenna pectinata, or pectinated, means one 

 which is divided along each side into numerous 

 processes in such a manner as to resemble the 

 teeth of a comb, as may be observed in many of 

 the Moth tribe. 



Antenna barbata, or bearded, is one which is 

 slightly feathered, either on one or both sides, 

 with line lateral fibres or hairs. 



Antenna perfoliata, or perfoliate, is one in which 

 the joints are of a flattened and circular shape, 

 with the stem or body of the antenna passing 

 through them, as in the leaves of some plants, 

 which are called perfoliate from a similar circum- 



