( Continued from page 3 of Cover. ) : 
VOLUME 43. 
“1. Morsz, H. W. — Studies — Fluorite: (IV.) iad Kathodo-Luminescence of Fluorite. PP. es 
1pl. June, 1907, 
bs 2. fesse, 5 11) tes Gentine of Masadin coud Sah 11) Rermene 
ES B. L. — New or otherwise Notewortt t , chiefly from Mexico ; (IIL) Rosiw- 
ee son, B. L., and Bartuetr, H. H = Mien Plants from Gautemala and Mexico collected 
ytes from 
+ ehiefly by C. C. Deam; (IV, ?) Pansat, MT — dlncsinns tt er Pescuoua el : 
New Mexico. pp. 17-68. June, 1907. 50c. 
3. wep saraldnaa CoreLanp, M. — = Maturation Stages inthe Spermatogensis of Vorp Mant: 
lata Linn. pp. 69-74. June, 1907. 15¢. 
