 OF FEEDING. Destructive insects may be divided into two classes, according to the nature of the mouth parts. This is especially important from an economic point of view. The grasshopper, being provided with jaws, can be killed by poisons. The chinch bug,...  The Intellectual Observer - Strana 1531867Úplné zobrazenie - O tejto knihe
 | 1773 - Počet stránok 700
...Determination of Nitroglycerine in Different Species of Dynamite.—P. Champion and H. Pellet.—Dynamites may be divided into two classes, according to the nature of the absorbent :—(i). Those with an inert base, such as silica, Boghead ashes, Tripoli, &c. (2). Those... | |
 | Murray Hoffman - 1824 - Počet stránok 472
...demand, payable in the course of administration. The numerous cases oh this branch of jurisdiction may be divided into two classes according to the nature of the billwhether a single or a general bill, and each class examined with a view to two points. Firs/, as... | |
 | 1814 - Počet stránok 684
...sign and gesture : the divine and moralist alone speak the v the language of instruction. Sentiments may be divided into two classes, according to the ' nature of the affections which they excite. Some are pleasing in that they revive in us certain just, and natural... | |
 | Henry Barnard - 1857 - Počet stránok 390
...Charity, by 31. fiemetz, Honorary Councillor of the Imperial Court of Paris. Agricultural colonies may be divided into two classes according to the nature of the population they contain. Establishments under the first head are open to orphans, to deserted children,... | |
 | Ferdinand Keller - 1866 - Počet stránok 650
...been worked into shape in the lake habitations, but burnt on the mainland. The whole of the pottery may be divided into two classes according to the nature...quantity of grains of stone, and a finer kind made * The following extract from the ' Travels in Peru and India,' by Clements B. Markham, Esq., London,... | |
 | 1867 - Počet stránok 682
...the Lactic Series," by Messrs. ET Chapman and Miles H. Smith, asserts that the acids pf this series may be divided into two classes, according to the nature of the products of oxidation which they respectively furnish ; the first containing hydrogen and anorganic... | |
 | Francis Sedgwick Watson - 1908 - Počet stránok 690
...tissue. (From specimen of the author.) Pathology. — MICROSCOPIC CHANGES. — Hypertrophied prostates may be divided into two classes, according to the nature of the tissue changes taking place in the gland: 1. That in which the overgrowth of glandular tissue predominates.... | |
 | 1909 - Počet stránok 970
...crops of the farmer. DESTRUCTIVE INSECTS CLASSED ACCORDING TO METHODS OF FEEDING. Destructive insects may be divided into two classes, according to the nature of the mouth parts. This is especially important from an economic point of view. The grasshopper, being provided... | |
 | 1909 - Počet stránok 940
...crops of the farmer. DESTRUCTIVE INSECTS ' CLASSED ACCORDING TO METHODS OF FEEDING. Destructive insects may be divided into two classes, according to the nature of the mouth parts. This is especially important from an economic point of view. The grasshopper, being provided... | |
 | 1909 - Počet stránok 946
...crops of the farmer. DESTRUCTIVE INSECTS CLASSED ACCORDING TO '.METHODS OF FEEDING. Destructive insects may be divided into two classes, according to the nature of the mouth parts. This is especially important from an economic point of view. The grasshopper, being provided... | |
| |
