vil. Index. 
PAGE. 
Sproull, W). (©.; on Develop. 
ment of Color Perceptions.... — I 
Metradella) (50. vie eee ere 112 
Tetradella subquadrans........ 115 
ibreasuren, sNeporteothwga seers 
irustees;: Report ole set 52 
Wlocrinus yo Shee eee eed ao 
Wilocrrmts) buttisie == eee 7 
kansasensis (ae 8 

PAGE, 
Ulrich, E. O., on New and Lit- 
tle Known Am. Pal. Ostracoda 
fics ant Se 104, 173 
Ulrichia contluens® 7... 203 
emarginata, . 203 
Virginia, Alleghany Region of.. 100 
Watch Hill, J. R. Skinner onee yt 
Yellowstone Park, Geo. W. Har- 
pér, on... >) ee 99 
