PLATE CIX.* 



SoHizoNEUEA ULMi (continued). (Page 97.) 



Fig. 1. — Young Apliis born from tlie Queen Aphis. 

 Fig. 2. — The same matured. 



Fig. 3. — Antenna of the apterous viviparous female 

 (fig. 2). 



Fig. 4. — Antenna of the winged viviparous female. 



SCHIZONEURA LANUGINOSA. (P. 104.) 



Fig. 5. — Part of the third, and the whole of the 

 fourth, fifth, and sixth antennal joints of the imago of 

 the first alate generation. 



Fig. 6. — The apterous viviparous female. 



Fig. 7. — The pupa. 



Fig. 8. — The imago seen in profile, which has placed 

 its wings pentwise whilst at rest. The small size of 

 these insects is due to their being examples of the last 

 alate generation. 



Fig. 9. — Antenna of fig. 8, showing a modification 

 of fig. 5, the second alate generation. 



Fig. 10. — A twig of elm (JJlmus campestris), one 

 third of the natural size, with purses constructed by 

 Schizoneura lanuginosa, gathered at Cambridge, August 

 7th, 1871. The galls were full of pupae and winged 

 insects ready to emigrate. 



* The lettering on this place is an error. For figs. 1 — 5 read 1 — 4, 

 and /or figs. 6 — 10 read 5 — 10. 



