231. SPENCER, 
29 
HERBERT (1820-1903). The factors of organic 
ion. Reprinted, with additions, from The Nine- 
7: 
teenth Century. vi, 76 p. ew York, 18 
232. WALLACE, 
ALFRED RusseEL (1822-). Darwinism: an ex- 
position of the theory of natural selection, with some of 
its applications. With map and illustrations. xvi, 494 
p. 
233. WRIGHT, 
London, 188 
9. 
CHAUNCEY (1830-1875). Darwinism: being an 
examination of Mr. St. George Mivart’s ‘Genesis of 
i ‘No 
spies 
view 
mM a from the ‘ rth American Re- 
ly, 1871, with additions.) 46p. London, 1871. 
d T 
Ju 
234. Anbaymous (“A field naturalist’). The primrose and 
Darwinism. xiii, 233 p. New York and London, 1902. 
Besides the above items (nos. 209-234), there are various pam- 
iS} 
Ww 
ca 
phlets ae to the Darwin celebrations of 1909, and 
m cea articles relating to Darwinism and the Darwin 
celebra 
eine Howard Darwin (1845-) 
Son of Charles Robert Darwin 
. Scientific Papers. 4 vols. Cambridge, 1 
Volume 
ea tides and lunar patie of 
vity. xiv 
gra 1907. 
Volume IT. ei ee and cosmogeny. xvi, 516 
p. 1908. 
Volume III. Figures of equilibrium of rotating liquid 
and geophysical investigations. xvi, 527 p. I9gI0. 
Volume IV. Periodic orbits and miscellaneous papers. 
xvili, 592 p. 
Francis Darwin (1848- 
on of Charles Robert Darwin 
(See nos. 11-14, 16, 29, 77, 85, and 86.) 
236. Municipal tra 
f 
Leonard Darwin (1850-) 
Son - as ual aie 
m the oe of pepreseneative beds for pavae 
proprietors in the management of industrial under- 
takings. 
xxiv, 464 p. London, 1903 
Joun HENpDLEY BARNHART. 
