How to Collect and Preserve Insects

Construction.--A pyrex glass test tube or strong ring-necked vial, about three-quarters inch wide and 4 to 6 inches long, makes a good cyanide bottle of the smaller size, fig. 3...

At any desired time the dry specimens may be relaxed and mounted. A relaxing box or jar is easily made. In the bottom of a wide-mouthed jar with a screw-on lid, put an inch or t...

Five existing orders of insects, all found in Illinois, are representative of the primeval wingless insects. In all five, the individual molts at intervals, even after becoming...

Legs fitted for running, as in fig. 41, without Suborder large pincers at their ends; mouthparts situated Mallophaga near the middle of under side of the head and fitted for che...

John C. Watson, _Chairman_; Thomas Park, Ph.D., _Biology_; L. L. Sloss, Ph.D., _Geology_; Roger Adams, Ph.D., D.Sc., _Chemistry_; Robert H. Anderson, B.S.C.E., _Engineering_; Ch...

Convex, many-legged animals having conspicuous antennae; several of the posterior segments short and joined rather closely to form an abdomen. Of the Illinois forms, about one-h...