NOTES AND COMMENTS. 
THE MICROLOGIST.* 
This magazine has started its third volume alter a slight 
rest, and contains some excellent illustrations. The articles 
are on ‘ The Cabbage Root Fly, Chortophila trassicae Bouche,’ 
by» Mer. Je < W adsworth, with notes on its preparation by 
Mr. A. Flatters.. Mr. A. Dinsley writes on “The Phenomena of 
Fertilisation and Embryology of the Chick,’ and Mr. Flatters 
1 
2 
9 
4a be 
4 
6 
7 
8 
Chick of 11 days’ incubation, seen from the right side, nat. size. 
The feathers are clearly recognisable. 
1. Ear. 5. Leg (with toes complete). 
2. Eye. 6. Stalk of allantois and yolk-sack cut 
3. Upper part of beak, bearing at its end the across. 
‘egg tooth.’ 7. Cloacal papilla. 
4, Wing, the first digit, 4a, is seen separate 8. Tail. 
from the rest. 9. Tongue. 
adds notes on ‘ Incubating and the Preparation of Chick- 
Embryos.’ Mr. Robert Pettigrew has a short note on the 
‘ Preparation of Crystals.’ By the courtesy of the publishers 
we are able to reproduce one of the illustrations. 
1915 Nov. 1. 
