1921] Huckett: Ovipositor of Anthomyian Genera 291 
around Ithaca. In the determination of specimens use has 
been made of Stein’s keys to the females of European Anth- 
omyide and the determined material in the above private 
collections. 
The writer wishes to acknowledge the advice and help 
received from Dr. O. A. Johannsen in the determination of 
species and in the loan of the above collections without which 
the work would have been impossible. 
OVIPOS, /7OR (Aypotherical) 
Wlastrating Structural rerrns 
MVELSCGITIELIIS 
/ 
Setwlae-\ 
S7ervites--t- 
--Jergites 
ree 
Spinuwles--\ @ 
. | 
STargir7a/s-* : 
Accessory piece 
--Dsca/ areg 
Posterior Suraclé ¢ 
Ariterior spiracle’ |_f- 
-7-4- Jergurn jee NE 
) Sterrurm-"~ , 
Coryunctiva”” § 
TECHNIQUE. 
The technique was of the simplest. The abdomen was 
transected in the region of the third abdominal segment with 
dissecting scissors. The excised portion was then placed in a 
10 per cent solution of potassium hydroxide and left to soak 
until cleared. This time varied with different specimens from 
