PLATE XLII. 



Rhopai.osiphum berberidis. (Page 14.) 



Fig. 1. — Apterous viviparous female. 

 Fig. 2. — Winged viviparous female. 

 Fig. 3. — Head and antenna enlarged. 



Melanoxanthus salicis. (Page 21.) 



Fig. 4. — Apterous viviparous female. 



Fig. 5. — Winged viviparous female. 



Fig. 6. — One of the young brood from the last. 

 a, Part of the under side showing — r, the rostrum ; 

 c, the coxas ; /, the fulcra. 6, Magnified view of one 

 of the siphuncles. c, Enlarged view of an antenna. 



