G8 Psyche [June 



t 



Explanation of Plate IV. 



Details of Legs of Myzus persicce Sulzer. 



A. Femur, 



B. Tibia. 



C. First tarsal segment. 



c. Second tarsal segment. 



D. Ungues. 



E. Extensor tarsi. 



F. Hypodermis of tibia. 



G. Hinge at articulation of first tarsal segment with tibia. 



H. Subconical projection of entoproximal margin of first tarsal 

 segment, serving as base for insertion of extensor tarsi. 



/. Another projection of first tarsal segment, connecting with 

 articular membrane. 



J. x\rticular membrane connecting proximal margin of first 

 tarsal segment with distal margin of tibia. 



Figure 1. Lateral view of leg, showing relative positions of 

 femur and more distal adjoining segments ; muscle and hypodermis. 

 X 85. 



Figure fe. Articulation and adjoining portions of femur and 

 tibia, showing origin of extensor tarsi. Lateral aspect, X 350. 



Figure 3. Distal portion of tibia and adjoining segments, show- 

 ing insertion of extensor tarsi; articulation of first and second 

 tarsal segments; hinge of first tarsal segment; and articular mem- 

 brane. Lateral aspect. X 350. 



Figure 4. Ectolateral jiortion of leg adjoining articulation of 

 first tarsal segment with tibia, showing hinge. Lateral aspect. 

 X 675. 



Figure 5. Entolateral portion of leg adjoining articulation of 

 first tarsal segment with tibia, showing articular membrane and 

 the subconical projections at entoproximal margin of the first tarsal 

 segment. Lateral aspect, X 675. 



