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The Juvenile Hormone*
Annual Review of Entomology
Annual Review of EntomologyVol. 5. Edited by Edward A. Steinhaus and Ray F. Smith. Pp. vii + 451. (Palo Alto, Calif.: Annual Reviews, Inc., 1960. Published in co-operation with the EntomologicalExpand
Transpiration Through the Cuticle of Insects
After abrasion the living insect is able to secrete more wax through the substance of the cuticle and so to restore its impermeability, and adsorption of the wax by dusts while it is being secreted interferes with this process of recovery. Expand
Memoirs: The function of the Corpus Allatum in the Growth and Reproduction of Rhodnius Prolixus (Hemiptera)
In the phenomenon of ‘inhibition of metamorphosis’ there seem to be two elements: (i) deposition of the new cuticle follows rapidly upon the initiation of growth and hence differentiation of the adult characters is arrested; (ii) so long as differentiation is arrested in this way the cells are capable of renewed growth and will respond again to the ‘moulting hormone’. Expand
Memoirs: The Physiology of Ecdysis in Rhodnius Prolixus (Hemiptera). II. Factors controlling Moulting and ‘Metamorphosis’
The five nymphal stages of Rhodnius prolixus are more or less alike, but if a fifth nymph decapitated soon after feeding receives the blood from a moulting fourth nymph it develops characters much more like those of a nymph than an adult, and the bearing on the phenomena of diapause and prothetely is discussed. Expand
The supply of oxygen to the flight muscles of insects: a theory of tracheole physiology.
It is suggested that these adaptations increase the efficiency of respiration in the flight muscles by ensuring that, when it is most needed, gaseous oxygen extends to the surface of the mitochondria, from which it is separated by a very permeable barrier. Expand
The Physiology of Insect Tracheoles
The respiratory functions of the tracheoles are twofold: they are mainly concerned in the respiratory exchanges in the active tissues of the body; but in some aquatic insects, they function in gills. Expand
The Epidermal Cell
This essay is concerned only with the epidermal cell of an insect, the bloodsucking bug Rhodnius prolixus, and the biochemist’s objective is described in chemical terms. Expand
The use of osmium in the fixation and staining of tissues
  • V. Wigglesworth
  • Chemistry, Medicine
  • Proceedings of the Royal Society of London…
  • 12 September 1957
Evidence is given that osmium tetroxide causes polymerization of unsaturated lipids by the cross-linking of ethylenic double bonds, particularly liable to occur in layers of oriented lipids. Expand