Introduction: Whenever they hear the word “bacteria” most people are apt to shudder with horror, and look upon them as the sworn enemy of the human race. We have a sort of a shrinking when anyone speaks of the number of ...
Introduction: The present power of man to combat fungus disease and insects injurious to fruits and fruit trees is great. All that is necessary is for the fruit grower to make himself acquainted with the authoritative ...
Introduction: The economic use of steam is of first importance to every user of the steam engine. It makes considerable difference in the profit and loss account if a plant is consuming a half or two thirds more coal than ...
Introduction: Whenever we think of the great advancement that has been made recently in the department of science – of the great steps that have been taken forward – of the many ideas once so prevalent that have been ...
Introduction: The group of the order Hymenoptera considered in the present paper is known as the Anthophila ,a name signifying lover of flowers and indicative of their food habits. In order that they may procure their food ...