The Itch Mite.–This parasite which afflicts man causes the condition spoken of as “Itch,” “Seven Years Itch,” “Army Itch,” “Jackson Itch,” etc. It has an oval body with spine-like projections. The female is larger than the male and measures 1-70 of an inch in length by 1-50 of an inch in width. The female causes [...]

The Crab Lice.—These are a smaller type of the former species, as head or body lice. They are nearly as wide as long. They have strong legs spread out on the sides of the body, which makes them appear like crabs. They are of whitish color, slightly shaded on the shoulders and legs with a [...]