Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . arth partiallyremoved to illustrate an egg-mass already in place and one being placed ; / showswhere such a mass has been covered up.—After Riley. Fig. 2. Rocky Mountain locust.—Front and side view of the embryo surrounded bythe inner embryonal membrane or amnion. Original: drawn by J. H. Emerton. Fig. 3. Rocky Mountain locust.—a, a, newly-hatched larvae ; h, full-grown larvae; c,pupa.—After Riley. Fig. 4. Rocky Mountain locust.—Process of acquir
Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . arth partiallyremoved to illustrate an egg-mass already in place and one being placed ; / showswhere such a mass has been covered up.—After Riley. Fig. 2. Rocky Mountain locust.—Front and side view of the embryo surrounded bythe inner embryonal membrane or amnion. Original: drawn by J. H. Emerton. Fig. 3. Rocky Mountain locust.—a, a, newly-hatched larvae ; h, full-grown larvae; c,pupa.—After Riley. Fig. 4. Rocky Mountain locust.—Process of acquiring wings ; a, pupa with skin justsplit on the back; b, the adult extruding ; o, the same nearly out; d, the same withwings expanded ; e, the same with all the parts perfect.—After Riley. Fig. 5. a, Rocky Mountain locust; b, the common red-legged locust.—After Riley. Fig. 6. Rocky Mountain locust.—Terminal abdominal ring ; a, side view ; b, c, hindand top view of the same.—After Riley. Fig. 7. Red-legged locust.—Lettering and explanations the same as in Fig. 6.—AfterRiley. Rep. TJ. S. Geol. a:nl (;eoj;r. Surv. Plate Fig. 4.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectb, booksubjectinsects
