ost complete ney 
 ] e largest an 
Scoudtlon. Givecsi Catalogue Bona ag’ 
] it. “An indispensable 
ma 5 un eae ‘Gentine 
ELLWANCER & BARRY, Mount Hope Narberiee, Rochester, N.Y. 
EJAVAVATAVAYAV AYALA AYALA AVA AVAV AVA AWAUAY ANAC A USAC 
ii TREES-SHRUBS-ROSES 
OR SALE.— The collection of plants and liter- 
ature made by the late PROFESSOR L. N. 
JOHNSON is offered for sale. The general collec- 
tion contains about 5000 Spermatophytes; but the 
special value of the collection is in the material and 
literature pertaining to Algz and Fungi, notably 
the Desmids. ‘There are kundveds of specimens of 
alge, fungi, lichens, and mosses, while the Desmid 
collection consists of about 700 slides, representing 
about 300 species and varieties, including a number 
of types. Besides this mounted d determined 
Desmid material, there is a large amount of un- 
worked material from every region of the United 
States. The literature on Alga is exceptionally full. 
A full list of the books and rahe and further 
details may be obtained by addres 
MRS. CORNELIA S. eas ’ 
1934 Orrington Ave., Evanston, III. 
_. America, including all desirable 
a intending buyer should have 
Z 
AAA 
AAA 
AAA 
a | 
.ISISRSISISRSISIMSISIS YAY ANS 
ABORATORY EXERCISES IN VEGETABLE 
PHYSIOLOGY, by J. C. Arthur, ert of 
Vege ne Phy siology it in Fata Scdemideina 
strated 
nm gay by _ 
Addre 
KIMMEL & HERBERT, takyel. Ind. 
ork Fed strating the general ae of ae niche “Tilus 
S, paper covers, 35 — 
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fe Contents for December, 1897: 
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mee ereation and Kinematic Semnioa of the an 
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hele ctrum Wave-Lengths, 
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Supplementary Hypothesis —* the Origin of the Loess 
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