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THE BATRACIIIA OF NORTH AMERICA. 



Chorophilus nigritus Le Conte. 



RESEKVE SERIES. 



339 



Catalogue No. of 

 miuibcr. spec. 



9702 

 r>9;i;) 

 35D3 



Locality. 



Arlington, Fla 



Liberty County, Ga. 

 Cliarloston, S. C 



When 

 collected. 



From whom received. 



Nature of spec- 

 inicn. 



(i. BrowTi Ooo<le Alcnholic. 



Dr. .1. L. l,<- ("onto i Do. 



Dr. .S. B. Barker I Do. 



CHOROPHIU'S FERIARFM Baird. 

 Uclccceiea fcriarum Baird, Proceed. Ac. Nat. Sci. Phila., 1S54 (5), 59. 



This species is not unlike a jounjj Hyla remicnlor in the short and 

 rather squat form. Tiie head is more pointed, liowever, the curve of the 

 mouth being parabolic rather than circular. The outline of the head 

 above exhibits an acute angle, with but a very .slight curve to near the 

 nostrils. The sidesof the head arequite oblique, and the direct distance 

 between the two anterior canthi, as measurcil witii the dividers, is just 

 half that between the two extremities of the lower jaw, measured in a 

 similar manner. The upi)ei' Jaw i)rqject.>< con.sidorably over the under; 

 po much so that the nostrils are about directly over the end of the lat- 

 ter. Tiie extreme distance between the rami of the lower Jaw is the 

 same witii tiiat from the ends of the.se rami to the tip of the snout, thus 

 forming of the three lines an equilateral triangle. The tympanum is 

 (|uite diminutive, scarcely more than half the diameter of the eye; cer- 

 taiidy not over half the straight edge of the eyelids. In the females 

 it is still smaller. Its center is .situated directly over the angle of 

 the mouth or the rictus. 



The tongue is large, thin at the edges; about one fifth longer than 

 broa«l, and cordiform beliiinl, with the .sides but .slightly curved; free 

 behind for about one-third its length. The posterior nare.s are nearly 

 circular and opposite a point half- way betwi-en tiie anterior (tanthus of 

 the eye and the outer nostril. The vomerine teeth aie in two oval 

 patches, their axes inclined backward.s at less than a right angle, the 

 anterior extremities (commencing Just inside the posterior nares and on 

 a line with their centers. 



The males are provided with a very prominent gular pouch, capable 

 of considerable intlation. 



The eyes arc of moderate size, being a little more than one-third the 

 distance from the angle of the mouth to the tip of the .snout. 



The limbs are of motb'rate <leveIoi»ment ; the fore-arm being less than 

 the hand. The arm from the elbow is exactly the length of the hind 

 foot, nieasured from the end of the tarsus. The femur and tibia are 

 equal and just half the length of the body. Closely pressed along the 

 sides, the tips of the hind toes extend nearly to the tympanum. The 



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