1920.] Cocoon-formation by the common Lahore Leech. 345 
UNDER OBSERVATION. 
| | ' 
‘isis 20 Poe 24 25 | 25 | 27 28 | 20 | a 31 | 32 | 33 | 34 
| | ay 
| | Pa 
| | | 
Ae ae ts --| 4 * noel Bara + ae ang t 
a 
oe os of ee ae * 
| | 
eer ey ae t 
| a 
| tiie a8 
*5 ea Pea ee a 
* * * i #7. |. *8 | 
*10 | | 
| 
t | 
oo | ¥14 
menage found dead. 
8 Cocoon opened June 23:3 young found with dorsal colour pattern well 
develo 
9 Guiosien opened J - viaag™ Licks 10 ite ready for hate 
!0 Cocoon o : 10 young found with dorsal eens pattern developed. 
'L Cocoon opened Sai tee re young found, of which 10 were fully for nee 
7 Cocoon opened Juve L7 5-3 go hai formed embryos eben 3-10 m 
e 20: ite 
8 
3 Cocoon o 
as in development. 
wo cocoons found. 
