PLATE LXXVII. 



Hyalopterus tkirhodus. (Page 114.) 



Called in error H. trirhoda in the text. 



Fig. I. — Apterous viviparous female. 

 Fig. 2. — Pupa. 



Fig. 3. — Winged viviparous female. 

 Fig. 4. — Antenna of the last, showing its ringed 

 character. 



Hyalopterus melanocephalus (Page IIG.) 



Fig. 5. — Apterous viviparous female. 



Fig. 6. — Pupa. 



Fig. 7. — "Winged viviparous female. 



