10 
Mexico, all of Texas, Indian Territory, Kansas, Nebraska, western Mis- 
souri, the greater half of Iowa, nearly all of Minnesota, besides an ad- 
ditional strip in the British possessions which includes Manitoba and 
the country north to Lake Winnipeg. 
Destructive Appearances. — In Chapter II of the first report of the 
Entomological Commission the chronological history of this locust is 
treated at length. We introduce here a short resume of these appear- 
ances : 
1818 and 1819. Minnesota and Red River region in Manitoba. 
1820. Western Missouri, probably also Kansas and country to norib. 
1842. Minnesota and Wyoming. 
1845. Texas. 
1846 and 1847. Wyoming. 
1849. Texas and possibly Minnesota. 
1851-1872 and 1875-1877. Every one of these years in Utah. 
1852. Idaho. 
1853. Dakota. 
1854. Texas, Kansas. 
1855. Texas. 
1856. Texas, Kansas, Iowa, Minnesota, possibly Wyoming. 
1857. Texas, Kansas, Nebraska, Iowa, Minnesota, Wyoming, Manitoba. 
1860. Topeka, Kansas. 
1861. Nebraska, Montana. 
1862. Montana. 
1863. Montana, Dakota, Minnesota. 
1864. Montana, Dakota, Colorado, parts of New Mexico, Nebraska, Iowa, Minnesota, 
Manitoba. 
1866. Kansas, Nebraska, northeastern Texas, western Missouri, Iowa,, Minnesota, 
Colorado. 
1868-1869. Montana, Idaho, Dakota, Colorado. 
1870. Iowa, Minnesota, and slight in Dakota, Idaho, Wyoming. 
1872. Slight in Minnesota, Dakota, Montana, Colorado. 
1873. Northern Colorado, southern Wyoming, Nebraska, Dakota, southwest Minne- 
sota, northwest Iowa. 
1874. Colorado, Nebraska, and Kansas overrun, while parts of Wyoming, Dakota, 
Minuesota, Iowa, Missouri, New Mexico, Indian Territory, and Texas were 
ravaged by swarms from Montana and British America where they were 
abundant. This was the year of the most disastrous invasions. 
1875. Portions of Kansas, Nebraska, Missouri ; also more or less abundant and de- 
structive from Manitoba to Texas. 
1876. Montana, British America, Wyoming, Dakota, Minnesota, Colorado, Kansas, 
Nebraska, west half of Iowa, west strip of Missouri, Indian Territory, 
Texas. 
1877. Minnesota, Iowa, Dakota, Montana. 
1885. Eastern Montana, northwest Dakota. 
1888. Minnesota, principally Otter Tail County. 
Life-history and Habits— Where tlie Eggs are laid.— The eggs may 
be laid in almost any kind of soil, but by preference they are laid in bare, 
sandy places, especially on high, dry ground, which is tolerably com- 
pact aud not loose. It is often stated that they are not laid in meadows 
and pastures, and that hard road-tracks are preferred; in truth, how- 
ever, meadows and pastures, where the grass is closely grazed, are much 
