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Recent Developments in Insect Neurohormones
The most striking fact revealed by investigations of insect neurohormones is that insects are as well supplied with neurohormones as mammals, since neurohor mones regulate not only the functioning of the endocrine glands, prothoracic gland, and corpora allata, but also most physiological processes. Our knowledge of neurohormones developed originally from anat omocytological investigations and experimental studies. Today, accurate bio assays have been devised for studying both in vivo and in vitro physiological processes, and RIA determination has yielded knowledge of titer modifications of humoral factors. Much is also known about neurohormone purification, and several neurohormones have eve...
Seeking a Better Future
Most emigration from England was voluntary, self-financed, and pursued by people who, while expecting to improve their economic prospects, were also critical of the areas in which they first settled. The exodus from England that gathered pace during the 19th century accounted for the greatest part of the total emigration from Britain to Canada. And yet, while copious emigration studies have been undertaken on the Scots and the Irish, very little has been written about the English in Canada. Drawing on wide-ranging data collected from English record offices and Canadian archives, Lucille Campey considers why people left England and traces their destinations in Ontario and Quebec. A mass of detailed information relating to pioneer settlements and ship crossings has been distilled to provide new insights on how, why, and when Ontario and Quebec acquired their English settlers. Challenging the widely held assumption that emigration was primarily a flight from poverty, Campey reveals how the ambitious and resourceful English were strongly attracted by the greater freedoms and better livelihoods that could be achieved by relocating to Canada’s central provinces.
Locust Neurobiology
The acridoid grasshoppers in general and the various species of swarm-forming locusts in particular have been among the most favoured subjects of insect physi ology, behaviour and ecology for many years. Several factors contribute to this popularity: their abundance in nature and their ease of culture in the laboratory, their relatively large size, and most of all, perhaps, their agricultural importance and the consequent intermittent availability of funds for their study. These factors together have inspired a large amount of experimental work, and this in tum has produced a new and often over-riding reason for working on acridoids -the huge body of available background information and know...
Lloyd's Register of Shipping 1784
The Lloyd's Register of Ships records the details of merchant vessels over 100 gross tonnes, which are self propelled and sea-going, regardless of classification. Before the time, only those vessels classed by Lloyd's Register were listed. Vessels are listed alphabetically by their current name.
Lloyd's Register of Shipping 1818 Shipowners
The Lloyd's Register of Ships records the details of merchant vessels over 100 gross tonnes, which are self propelled and sea-going, regardless of classification. Before the time, only those vessels classed by Lloyd's Register were listed. Vessels are listed alphabetically by their current name.
Diagnostic Histopathology of Tumors
Diagnose tumors with confidence with Diagnostic Histopathology of Tumors, 4th Edition. Dr. Christopher Fletcher's renowned reference provides the advanced, expert guidance you need to evaluate and interpret even the most challenging histopathology specimens more quickly and accurately. Consult this title on your favorite e-reader with intuitive search tools and adjustable font sizes. Elsevier eBooks provide instant portable access to your entire library, no matter what device you're using or where you're located. Diagnose efficiently and effectively using diagnostic flow charts, correlations of gross appearances to microscopic findings, and differential diagnosis tables for better recognitio...
