NATURAL HISTORY, TORONTO REGION 
Spawns in shallow, quiet waters, the egg masses sub- 
merged, April 25-May 15. Tadpole quite light in 
colour. Metamorphosis takes place in ten to twelve 
weeks. 
Wood Frog, Rana sylvatica, LeConte. On all 
sides of the city, in moist woods with considerable 
undergrowth. Spawns on the bottom of pools, at a 
depth of about one foot. March 30-April 30. Tad- 
pole dark gray. Metamorphosis takes place in about 
ten weeks. 
Green Frog, Rana clamitans, Latreile. On all 
sides of the city, by marshy margins of bays, pools, 
rivers, or small streams. The spawn is spread on 
the surface of the water amongst weeds. May 25- 
August 10. Tadpole light coloured. Metamor- 
phosis occurs only after one or two years. 
Bullfrog, Rana catesbiana, Shaw. In the marshy 
margins of bays, rivers or large ponds, in the water 
or on a lily-leaf. The spawn is spread on the sur- 
face of the water, amongst weeds. June 20-July 25. 
Tadpole brownish green, large; tail very long. Meta- 
morphosis occurs only after one or two years. 
The following species may occur near Toronto, 
but they have not yet been reported nor have they 
come to the writer’s notice: 
Cricket Frog, Acris gryllus, LeConte. 
Northern Frog, Rana septentrionalis. 
Cambridge Frog, Rana cantabrigensis, Baird. 
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