PLATE 9 
Plethodont salamanders. 
Fig. 20. Aneides lugubris lugubris, adult, from Berkeley, Alameda County, 
photographed May, 1923. Natural size. 
Fig. 21. Batrachoseps attenuatus, adult, from Berkeley, Alameda County, 
photographed May, 1923. Natural size. 
Fig. 22. Ensatina eschscholtzii , adult and eggs, from 6 miles west of Inver- 
ness, Marin County, collected and photographed June 4, 1913. About natural 
size. 1035. 
Fig. 23. Eggs of Ensatina eschscholtzii, no. 9147, Mus. Yert. Zool., from 
Carlotta, Humboldt County, July 26, 1923. Natural size. 
Fig. 24. Batrachoseps attenuatus, adult, in ‘contracted’ form, after being 
handled. Specimen from Berkeley, Alameda County, photographed February 21, 
1921. Natural size. 3415. 
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