. Biology in America. Biology. Man and NaUire 387 Hessian solcliors; henee its name. Another immigrant which came to us in Revolutionary days was the brown rat.^ This rat first crossed the Russian frontier of Asia in 1727 in such numbers that it soon overran Kurope, whence it came to America. With the rat came its parasite, tlie deadly Trichina, while more recently the j^et more deadly Bacillus pestis of the bubonic playue has become established in Cali- fornia, brought in by rats from oriental ports. What a pity we cannot return to Europe with our compliments all of our. Field of Alfalfa Ruin
. Biology in America. Biology. Man and NaUire 387 Hessian solcliors; henee its name. Another immigrant which came to us in Revolutionary days was the brown rat.^ This rat first crossed the Russian frontier of Asia in 1727 in such numbers that it soon overran Kurope, whence it came to America. With the rat came its parasite, tlie deadly Trichina, while more recently the j^et more deadly Bacillus pestis of the bubonic playue has become established in Cali- fornia, brought in by rats from oriental ports. What a pity we cannot return to Europe with our compliments all of our. Field of Alfalfa Ruined by meadow mice in the Humboldt Valley, Nevada, 1907. Courtesy of the U. ih'. Buriuu of Biohujicdl Sinn ij. undesirables, four-legged, as well as two-legged and winged ones as well! An old Welsh legend tells of the frantic father, wlio upon returning to his home found his child missing, and the dog which he had left to guard her dripping with blood; and thereupon slew the faithful creature, only to find his child safe and the body of a great wolf which the ilog luul sla^in, ' There are two other si>ef'ies of naturalized rats in the United States —the black and tlie roof rats. Both are too few and restricted in dis- tribution to be of tiuich (Vdiiiiuiic importance, bciii",-- liehl in subjection by the stronger and lierccr liroun Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Young, R. T. (Robert Thompson), b. 1874. Boston, R. G. Badger
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