178 



posterior borders of the choanse. Tympanum variable, not as large as 

 the eye. Skin above often rough, but without pustulations. Two dorso- 

 lateral glandular folds, as in R. clamata, but sometimes indistinct. Feet 

 fully webbed ; soles without tubercles. Above, the color is light or dark 

 olive, with many narrow, irregular lines of paler. The sides and hinder 

 half of the back with large spots of brown. The hind limbs with dark 

 bars. The living frog is said to have a peculiar minky odor (22, 1883, 

 945). 



Rana eantabrigensis, Baird. 



Cambridge Frog. 



^ Rana eantabrigensis, Baird, 1854, 1, 62; Boulenger, 1883, 27, 45; 

 * Cope, 1889, 51, 435, with figures. 



JRaiia eantabrigensis is a near relative of R. sylvatica, and ranges through 

 British America and Alaska. Not many specimens of it appear to have 

 been taken within the United States, but in the National Museum is a 

 specimen (51, 437) which is reported to have come from Clark County, 

 Illinois. This county bounds Vigo County, Indiana, on the west, and it 

 is probable that this frog also belongs to Indiana territory. It is more 

 likely to be found in the northern portion of the State. Specimens of 

 supposed sylvatiea need to be closely scrutinized in search of eantabrigensis. 



This species differs from sylvatica in having the heel reach only to the 

 middle of the orbit, the tympanic disk only half the diameter of the 

 orbit, the skin of the back between the glandular folds smooth, three 

 phalanges of longest toe free from web, and with a light stripe down the 

 middle of the back. Probably no one of these characters will be 

 sufficient to identify this frog, but most of them must be present. 



Carphophis vermis, (Kenn.). 

 Worm Snake. 



Celuta vermis, Kennicott, 1859, 1, 99 ; GarphopJiiops vermis, Cope, 1875, 

 12, 34; (Jarpliophis vermis, Smith, 1882, 18, 699; Carphophis amcena var. 

 vermis, Garman, 1883, 13, 101. 



Carphophis verynis is found from St. Louis, Mo. , to Kansas and south to 

 Louisiana. It is to be expected in Southern Indiana. It is regarded by 

 Garman as only a variety of C. amcEna. There are two pairs of frontals, 

 as in aiyicena. However, the head is smaller and the snout more pointed 

 than in amcena. The color above is dark iridescent purple, almost black. 

 This dark color descends only to the third row of dorsal scales and ceases 

 abruptly. The upper lip is of the color of the abdomen. This is flesh 

 color ; while the tail below is red. In a specimen taken at Little Rock, 

 Ark., thei-e are 145 ventral plates and 25 subcaudals. The length is 10 

 inches. I regard this form as a good species. 



