276 



BULLETIN 34, UNITED STATES NATIONAL MUSEUM. 



McasiirerMTits of No. 11578. 



M. 



Leugth of head and body , 084 



Leugth of bead to posterior edges of tympaua , 012 



Widtb of bead to posterior edges of tympaua . 038 



Leugtb of fore-leg , 044 



Length of fore-foot ; 021 



Leugth of hiud foot from groiu 091 



Leugtb of tibia 030 



Leugth of tarsus 020 



Length of rest of foot . 031 



The above measurements of the hiud foot leave only 10'""'. for the 

 femur, measured from the groin. This is due to the fact that that seg- 

 ment is almost entirely included in the integument of the body, and 

 much more extensively than in any other North American species. The 

 tarsometatarsal joint reaches to the orbit when the hind leg is extended. 



Fig. 67. Bufo cognalus. From Baird, TJ S. Mes. Boundary Survej. 



The body is dusky brown above, and is covered with small black 

 warts, which are most numerous and prominent near the sides. A 

 yellowish-brown vertebral line extends from the head to the rumxD, from 

 which j)roceed oblique lateral lines of the same color. The first oblique 

 lateral line begins at the head and runs to the side behind the shoulder; 

 the second begins near the middle of the back by two branches, which 

 soon unite and run to the groin ] a third line begins still farther back, 

 and extends to the hips. 



The abdomen is dingy yellowish-white. The anterior extremities are 



