STEJNEGER : BATRACHIANS AND REPTILES. 215 



where these specimens were collected is not given, nor the time of their 

 capture, the only note accompanying them being to the effect that they 

 occur "in small streams of Patagonia, Straits of Magellan to Lake Buenos 

 Aires." While I have expressed the opinion above, that most of the 

 lizards were collected north of the Santa Cruz, after March i. 1898, there 

 are reasons for believing that most of these batrachians were collected at a 

 considerably earlier season. Not only is a large proportion of the speci- 

 mens, tadpoles and young ones, having just finished their metamorphosis, 

 but many of the males have well-developed nuptial asperities on the inner 

 finger. This, in connection with the reference to the Straits of Magellan 

 on the label, makes it exceedingly probable that the specimens in nuptial 

 and breeding condition were collected during the latter part of December, 

 1897, ^t the camp established by Mr. Hatcher on the Rio de las Minas, 

 four miles above the town of Punta Arenas. In this camp in the forest 

 Mr. Hatcher remained for nearly two weeks occupied in collecting and 

 study (Narrat., p. 158). 



While there is thus established a probable locality for a large number 

 of the specimens, there is no telling where the others were collected. 

 This is the more to be regretted as there may possibly be two forms rep- 

 resented in the lot, one with strongly developed webs, lobed toes, and a 

 tarsal fold, and another with nearly cylindrical toes, scarcely any web, and 

 no tarsal fold. In other respects the two forms seem to be identical, even 

 in the size of the lumbar glands, except that a greater proportion of the 

 specimens with rudimentary webs have a light median dorsal stripe. I 

 am inclined to regard the difference as seasonal, however, inasmuch as 

 all the males with the nuptial pads on the inner finger have large webs 

 and even an indication of lobes or fringe on the fingers. 



These fringes or lobes are very much like those of the coot, as even the 

 outside of the outer toes has a lobe. The fringe is continued past the 

 inner metatarsal tubercle as a tarsal fold. 



The lumbar glands in both (seasonal?) forms and sexes are large, the 

 length equalling the distance from tip of snout to anterior or posterior 

 border of tympanum. 



The hind legs are rather short, as the tibio-tarsal articulation of the leg 

 carried forward along the side does not reach the tympanum. 



Among the specimens there are twelve tadpoles in various stages of de- 

 velopment. As I have seen no description of the tadpole of this species, 



