FOR SALE. « = 
A ZENTMAYER PORTABLE MICROSCOPE, 
IN PERFECT ORDER, 
For 3100.00. - - - Catalogue Price, $147.50 
Including THREE OBJECTIVES, 1} in., } in., and } in. 
Also an Abbé Condenser, Glass Stage, and Neat Walnut Case. 
Address the Editors of the Bulletin or Wm. Wales, Fort Lee, N.J. 
a hnehatdi Sites aes 
CHARACEZ OF AMERICA. 
The first fascicle of the Second Part of the Characez of America 1s 
now ready. It contains descriptions of eight species of JVitella, as fol- 
lows: JVitella opaca, Ag.; obtusa, Allen; montana, Allen ; Blankin- 
shipit, Allen; Missouriensis, Allen; flexilis, Ag.; subglomerata, A. Br. ; 
glomerulifera, A. Br., with fourteen full-page illustrations (eight litho- 
graphic plates and six photogravures). These fascicles will be 1ssu 
from time to time as plates can be prepared ; price of each part $1, the 
actual cost, if the whole edition of 500 copies be sold. Address 
rE. ALLEN, 
Second edition of Decades of N. Am. Lichens. 
PREPARED BY 
Ciara E. Cummines, Tuos. A. Wittiams anp A. B. SEYMOUR 
Numbers 1-80 ready in May. This second edition is prepared in respons? pint 
gent requests, the subscription list of the first being full. The second will re L 
nothing not in the first. The editors are glad to announce that Prof. Thos. A. 
liams will hereafter be one of their number. His name will appear with the first 
tion also after No, 150. Address 
CLARA E. CUMMINGS, 
WELLESLEY COLLEGE, WELLESLEY, MASS. 
- - HERBARIUM FOR SALE. - - 
An extensive general herbarium, consisting of some 8,000-9,000 mounted ene: 
and representing nearly as many species, together with an equal or larger ee 
unmounted material has been placed in my hands for sale. It is in capital order, if 
cept for being somewhat disarranged; is all named, and may be purchased # - e 
ceedingly low figure. The species represented are perhaps about equally divs or 
between North America and the Old World. A favorable opportunity is het® 
forded for an individual or institution engaged in accumulating a collection. Com" 
spondence is invited. 
N. L. BRITTON, 
COLUMBIA COLLEGE, NEW YORK CIT 
jel 
