.MI(III(;\\ ACADK.M^' OI" SCIKNCK. 47 



pools. Several adults wtrc taken on the banks of Carp River, Cecil, 

 Emmet* County, and on the shore of Lake Michigan east of Cecil, 

 August 19, 1916. 



(5. IIi/l(i versicolor LeConte. Common Tree Frog. Rather common 

 in tlie region. From tliree to a dozen specimens were taken each of the 

 four summers near the Biological Station. 



7. JI yl(t pickerinf/ii Holbrook. Sjjring Peeper. The writer has seen 

 oidy tliree specimens of tliis frog collected in the Douglas Lake region, 

 two of which were taken near the road through Reese's Hog and the 

 third in the hardwoods near Reese s Bog, 191 !•. 



8. Acris fjrijllii.s LeConte. Cricket frog. Very abundant in the low- 

 land near the west side of Reese's Bog in 1913. A few specimens Avere 

 taken in the same locality in 1915. 



9. Katia pipiciis Shreber. Leopard F'rog. The most abundant 

 amphibian in the region. Very common near lakes and streams and not 

 infrequently found in the damper parts of the aspen countr}-. Also 

 taken at Cecil, Emmet County, August 19, 1916. 



10. liana clamitaiis Latrielle. Green Frog. A common species in 

 swampy areas adjoining Lancaster Lake, in the oxbows on Maple River 

 west of Bryant's Landing, and in the vegetation near beacli pools on 

 Sedgepoint, Douglas Lake. This frog was usually found in the shaded 

 areas near bogs and small streams, and was very abundant in the out- 

 skirts of the large Thuja bog on West Maple River. Several specimens 

 were taken on the banks of Carp River at Cecil and in a large beach pool 

 on the shore of Lake Michigan near Cecil, Emmet County, August 19, 

 1916. 



11. liana cantahrigensis Baird. Wood Frog. An abundant species 

 in the transitional vegetation between aquatic and forest habitats. The 

 wood frog was found regularly in the outskirts of Thuja bogs near 

 Lancaster Lake, Douglas Lake and West Maple River. Many individuals 

 of this species were seen in similar situations along the shore of Lake 

 Michigan between Cecil and Mackinaw City, August 19, 1916. 



12. Rana catesheana Shaw. Common Bullfrog. This species was 

 very abundant in the lily ])onds and along the sliaded banks of Bessey 

 Creek in 1913. It w'as taken in swampj- areas near Lancaster Lake, 

 Munro Lake and Douglas Lake, on East Maple River, and in the Thuja 

 bog on West Maple River. Two specimens were collected at Cecil, 

 Emmet County, August 19, 1916. Large bullfrogs were less numerous 

 each successive summer and even small bullfrogs were scarce during the 



