1893.] *J^^ [Cope. 



and wider, and the tympanic disc is only two-thirds the eye diameter. 

 Finally, the series of vomerine teeth are more transversely extended. 



This species is dedicated to Dr. Leonard Stejneger, the distinguished 

 zoologist now in charge of the herpetological department of the U. S. 

 National Museum, Washington. It is from Palmar ; coll. No. 295. 



Leptobactylus quadrivittatus, sp. nov. 



Form lanceolate ; muzzle narrow and prominent, nostril a little nearer the 

 orbit than the extremity of the muzzle, but further from the orbit than the 

 diameter of the latter. Extended hind limb reaching the anterior orbital 

 border with the heel. Interorbital space wider than eyelid. Skin smooth 

 except some warts about the scapular region. Two stout glandular ridges 

 on each side of the vertebral median line. A discoidal abdominal fold. 

 Subdigital tubercles well developed ; ungual phalanges not dilated. A 

 distinct oval internal metatarsal tubercle. 



The vomerine teeth are in two arched series which extend outwards to 

 the line of the external border of the choanai, and approach close together 

 on the median line. The choanie are large and about equal the ostia 

 pharyngea. Tympanic disc a horizontal oval, its long diameter equal two- 

 thirds that of the eye. Tongue a wide longitudinal oval, openly notched 

 behind. 



The ground color above and on the sides is gray, which is marked above 

 with four longitudinal black bands. The two median of these are wider 

 and commence at the end of the muzzle, and extend to the extremity of 

 the urostyle. They expand above and over the eyelids. The lateral 

 bands commence narrow at the orbits, and widen on the sides, extending 

 to the groin. The median dorsal band of the ground color is paler than 

 the rest of the ground, and has a pinkish tinge, which is probably more 

 distinct in life, judging from traces of pink near the orbit. The side of 

 the head is black to and including the tympanic disc ; excepting a 

 pale stripe which passes below the eye to the lower border of the tym- 

 panic disc. It is crossed by two or three black lines which descend from 

 the eye to the black lip. A pale crescent in front of tympanic disc. A pale 

 line extends upwards and forwards from the groin on the side. The 

 limbs are all cross-banded, except the tibia, whose upper surface displays an 

 irregular, wide, longitudinal band, which is a marked peculiarity. Pos- 

 terior face of femur bounded below by a pale line, which is bordered 

 above by a brown band. Tibia uncolored, foot brown, below. 



Measurements. 



MM. 



Length of head and body o7 



Length of head to line of posterior edge of tympana 14 



Width of head at line of posterior edge of tympana 15 



Length of anterior limb from axilla 18 



Length of anterior foot , 8 



