6 University of California Publications in Zoology [Vol. 27 
Angeles, Bana a. draytonii ; and Mr. A. B. Haslacher of Farmington, 
San Joaquin County, Bana catesbeiana. Mr. and Mrs. J. E. Law 
helped in the prosecution of field work in southern California in the 
spring of 1923. 
Dr. Charles L. Camp has kindly permitted the use of material 
from a manuscript on the amphibians of Los Angeles County which 
he prepared more than ten years ago. Authority for items quoted 
from this source is cited as “Camp, MS.” 
Dr. Loye H. Miller has placed at my disposal extensive manuscript 
notes which he made at Berkeley in 1898-99 and 1903-04 on the life- 
history and habits of Aneides lugubris. Material used is accredited 
as “Miller, MS.” 
The California Academy of Sciences has permitted the use of 
certain critical material from its extensive collections; general aid 
in many ways has been received from Dr. Joseph Grinnell and from 
other members of the staff of the Museum of Vertebrate Zoology ; 
Dr. C. A. Kofoid of the Department of Zoology, University of Cali- 
fornia, has given valuable advice and criticism while the paper was 
in progress; and Ruth Risdon Storer has helped in the collection of 
material in the field, in the rearing of larvae, and in the recording 
of measurements. 
