Contents. vil 
: * PAGE 
A preliminary account of the structure of the mouth-parts in the Body- 
| louse. By LAuNcELOT Harrison, B.Sc. (Communicated by Prof. 
G. H. F. Nurrati, F.R.S.) (Plate VII.) (Seven figs. in Text) . 207 
On Some Gynandromorphie Specimens of Abraxas grossulariata. By 
L. DoncastER, Sc.D. : : : : ; : a. : 5 
. 
Proceedings at the Meetings held during the Session 1915—1916 . . 231 
‘Index to Vol. xvrm. : ; : 5 : . : : : . 234 
PLATES. 
Prate I. To illustrate Dr Fantham and Miss Porter’s paper . . 939 
Puates IT and III. To illustrate Mr White’s paper . : : - (35) 
‘Pxates IV and V. To illustrate Dr Newell Arber and Mr Goode’s 
) paper. : é : ; : 6 ; c : > &Y 
PLATE VI. To illustrate Mr Hamshaw Thomas’ paper. ) ay 40)5) 
Puate VII. To illustrate Mr Harrison’s paper . : ; . . 207 
