PLATE CXVI. (Page 16.) 



Glyphina pilosa. 



Fig. 1. — Larval form covered by its mealy coat. 

 Fig. 2." — Winged viviparous female. 

 Fig. 3. — Head and antenna of the same insect. 

 Fig. 4. — Part of tibia and tarsus. Claws double. 



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Chermes abtetis. (Page 24.) 



Fig. 5. — False cones of the spruce fir, caused by the 

 punctures of the queen mother Chermes ; drawn of 

 the natural size. One of these cones has been cut 

 through after the insects have escaped, thus showing 

 the empty cells, a. A portion of the original shoot, 

 at the base of which the distortion has commenced. 

 The winged Chermes are drawn of their natural size. 



