AMERICAN MIDLAND NATURALIST, 171 
sti ind 2 em. or shorter. 
lisent iieri 
11. A. micrantha  Eastw. Proc. Calif. Acad. er "$a II, 4:559, 
t. 19. Gray, Syn. Fl. 1:43. Rydb. l.c 
A slender species, 3 dm. or taller; Seale a bor petioles ; 
flowers 2 cm. or somewhat longer; sepals ovate-oblong, acute, 
1 em. long; petals truncate or nearly so, spur slender: follicles 
1 cm. or somewhat longer, viscid-pubescent. 
In cañons, S. E. Utah and southward. 
88 Glabrous or nearly so. 
12. A. flavescens Wats. Bot. King's Exp. 10, 1871. Gray, 
yn. Fl. 1:43. 
A. canadensis var. aurea Regel, Gartenfl. 21:t, 734. 
5 dm. or higher, branching; leaves on long petioles; sepals 
ovate-oblong, spreading, 1.5-2 cm. long; the broad laminae of 
the petals one-half as long as the somewhat curved spur; 
follicles 2 em. in length, pubescent. 
Aspen and Spruce Regions, Wasatch Mountains, Utah. 
A. flavescens f. minor, Subalpine, smaller and more hairy. 
Wasatch Pitot (Tm ) 
itt Spur 4 cm. or longer. 
13. A. chrycantha Gray c. Àm. Acad. 8:621, 1873; Syn. 
x 1:44, Md. ‘Gard, Chron. 1873, f. 304, Rydb. E 
137. 
A. i i ub var. chrysantha Hook. f. Bot. Mag. t. 6073, 
5 dm. or taller, glabrous below; sepals lanceolate-oblong, 2 
em. or longer; the slender spur about four times as long as the 
broad laminae of the petals; follicles 2 cm. or longer. 
Southern Colorado and southward. 
Bureau of Plant Industry, 
Department of Agriculture, 
Washington, D. C. 
An Analytic Study of Faunal Changes in Indiana. 
WALTER L. HAHN. 
REPTILES AND AMPHIBIANS. 
We have less direct evidence regarding present and form- 
er numbers of these classes than any other conspicuous group 
in our fauna. Several loeal histories mention snakes an 
