On Abnormal Legs in Frogs. 187 
Type. Adult male. B.M. no. 21.1.1. 85. Original 
number 1055. Collected 23rd June, 1920. 
Typical M. elegans cinderella ranges north to western Jujuy, 
where Sr. Budin has obtained it at Jujuy itself and other 
localities ; but here, in the eastern part of the province, east of 
the Rio Grande de Jujuy, its representative has so uniformly 
longer a skull that subspecific separation seems clearly needed. 
XXI1.—Abnormal Legs in Frogs. 
By W. Harotp Leicu-SuHarpe, M.Sc. (Lond.). 
Durin@ the year 1920 my attention has been attracted to 
cases of abnormality in the legs of Rana temporaria (two of 
Fig. 1. 
R. Ii. 
R, right (normal) leg ; L, left (abnormal) leg from the same specimen, 
from the ventral aspect. 77, tarsus. 
which are herein figured, and the original specimens preserved 
in the Biological Museum, St. Mary’s Hospital Medical 
