o have charge of domestic water supply should study.
It is a practical and profitable book."--_Wigar Observer._

* * * * *

=Brewing and Botanical.=

* * * * *

=HOPS IN THEIR BOTANICAL, AGRICULTURAL AND TECHNICAL ASPECT, AND AS AN
ARTICLE OF COMMERCE.= By EMMANUEL GROSS, Professor at the Higher
Agricultural College, Tetschen-Liebwerd. Translated from the German.
Seventy-eight Illustrations. 1900. 340 pp. Demy 8vo. Price 12s. 6d.;
India and Colonies, 13s. 6d.; Other Countries, 15s.; strictly net.

=Contents.= PART I., HISTORY OF THE HOP. PART II., THE HOP PLANT.
Introductory.--The Roots.--The Stem and Leaves.--Inflorescence and
Flower: Inflorescence and Flower of the Male Hop: Inflorescence and
Flower of the Female Hop.--The Fruit and its Glandular Structure: The
Fruit and Seed.--Propagation and Selection of the Hop.--Varieties of the
Hop: (_a_) Red Hops; (_b_) Green Hops; (_c_) Pale Green
Hops.--Classification according to the Period of Ripening: 1. Early
August Hops; 2. Medium Early Hops; 3. Late Hops.--Injuries to Growth:
Malformations; Diseases Produced by Conditions of Soil and Climate: 1.
Leaves Turning Yellow, 2. Summer or Sun-brand, 3. Cones Dropping Off, 4.
Honey Dew, 5. Damage from Wind, Hail and Rain; Vegetable Enemies of the
Hop: Animal Enemies of the Hop.--Beneficial Insects on Hops.

=PART III., CULTIVATION.= The Requirements of the Hop in Respect of
Climate, Soil and Situation: Climate; Soil; Situation,--Selection of
Variety and Cuttings.--Planting a Hop Garden: Drainage; Preparing the
Ground; Marking-out for Planting; Planting; Cultivation and Cropping of
the Hop Garden in the First Year.--Work to be Performed Annually in the
Hop Garden: Working the Ground; Cutting; The Non-cutting System; The
Proper Performance of the Operation of Cutting: I. Method of Cutting:
Close Cutting, Ordinary Cutting, The Long Cut, The Topping Cut; II.
Proper Season for Cutting: Autumn Cutting, Spring Cutting: Manuring;
Training the Hop Plant: Poled Gardens, Frame Training; Principal Types
of Frames: Pruning, Cropping, Topping, and Leaf Stripping the Hop Plant;
Picking, Drying and Bagging.--Principal and Subsidiary Utilisation of
Hops and Hop Gardens.--Life of a Hop Garden; Subsequent Cropping.--Cost
of Production, Yield and Selling Prices. PART IV.--Preservation and
Storage.--Physical and Chemical Structure of the Hop Cone.--Judging the
Value of Hops.