NATUEAL HISTOKY, TOEONTO EEGION 



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 



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, Latreille. 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 catesHana, 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 cantdbrigensis, Baird. 

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