Need help with frog's eggs

[Emily Kenney]

Does anyone know how I could go about obtaining frog's eggs or inducing 
ovulation in a frog?  I know the latter can be acomplished with pituitary 
hormone but I don't know where I'd get that, either.  Any advice or 
referals would be greatly apreciated.
(I'm planning to study the development of frog's eggs in various pHs for 
my biology class but I'm having trouble finding a source of eggs. (Collecting 
them from local ponds will not be an option at the time I will need them and 
I haven't had much luck with our local pet stores))
Thanks in advance!
--
Emily Kenney
ekenney at cmtch.iea.com
818 W19th
Spokane, WA ]99203
"The english language is not meant to be taken literally"
                     Abe Kenney