1898 } CURRENT LITERATURE 359 
The second part of the volume gives a bibliographical list of 2871 titles - 
to April 1, 1898, with a special index. \ As a frontispiece the volume shows 
a portrait of Kélreuter. There are 81 figures, most of which are familiar 
to those who have used Miiller’s Befruchtung. Fig. 7 is a reproduction of 
the title-page of Sprengel’s Entdechte Geheimniss. 
The second volume considers the results of observations made in Europe 
and in the Arctic regions; of Aurivillius and Ekstam in Nova Zembla ; 
Burkill, Scott-Elliott and Willis in Great Britain; Delpino, Comes, Nicotra 
and Ricca in Italy ; Dalla Torre, Kerner and Schulz in the Tyrol; Heinsius 
in Belgium ; Kirchner at Stuttgart ; Loew in the Berlin Gardens ; Lindman 
in Greenland and Scandinavia; MacLeod in Flanders and Pyrenees; Miiller 
in Westphalia, Thiiringia and Alps; Verhoeff in the West Frisian island, 
Norderney ; Warming in Greenland and Denmark. The first part includes 
the families Ranunculacee-Composite. A contemplated third volume 
relates to investigations made in other parts of the world. The whole ground 
is gone over in so thorough a manner that it will not be necessary for con- 
tributors to go through so much drudgery in looking up the literature, nor will 
it leave much excuse for offering contributions which have no relation to the 
present state of what is called “ our knowledge.’— CHARLES ROBERTSON. 
Fungicides and insecticides. 
IT HAS BEEN but a few years, scarcely more than a dozen, since the range 
of fungicidal agents embraced little more than bluestone for steeping wheat, 
sulfur for dusting upon foliage, and a_somewhat uncertain application of 
copperas. But in these last years the number of effective fungicides has 
excellent treatise by Lodeman on the spraying of plants, published two 
years ago, to feel that the amount of practical knowledge the scientist now lays 
before the cultivator in a field where his needs are great is of astonishing 
. Proportions. The United States has borne a proud part in the development 
of this subject, being in fact an acknowledged leader, while France, Italy, 
Switzerland and Germany have, in the order named, become actively inter- 
ested in'vegetable pathology and prophylactic measures. 
Germany, although somewhat tardy in taking up this department of 
investigation, now puts forth a volume on the methods of combating plant 
diseases by means of chemical preparations that will prove of interest to all 
Students of the subject, as well as to the cultivators and investigators of Ger- 
many for whom it'was prepared. It emanates from Halle, that city of 
experiment stations, and is written by Dr. M. Hollrung,’ director of the 
SHOLLRUNG, M.: Handbuch der chemischen Mittel gegen Pflanzenkrank- 
