Titlebook: Regional Economics; A Reader Harry W. Richardson (Director) Book 1970 Palgrave Macmillan, a division of Macmillan Publishers Limited 1970 e

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Appropriate Goals for Regional Economic Policy,One of the issues in the current debate on regional economic policy is whether any effort to stimulate growth in particular regions can be compatible with a national growth policy. In this essay, I want to deal with the question in more general terms.

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Harry W. Richardsondue to the often close proximity of fish during sound communication. We end with a set of recommendations for better understanding the separate and combined roles of ear and lateral-line hair cells as well as an acknowledgment of the seminal and continuing contributions of Arthur N. Popper and Richa

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Stefan Valavanisadder and ear can either be present via anterior extensions of the bladder or be completely absent (in contrast to catfishes). Representatives having large bladders with extensions had the best sensitivities. Cichlids lacking extensions had lower sensitivities above 0.3 kHz. Species with a vestigial

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Walter Isardt and compare audiograms between two species of larval fishes, the three-spined stickleback (.) and the zebrafish (.). We also discuss considerations for experimental design with respect to stimulus presentation and threshold criteria and how these techniques can be used in future studies to investi

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A. J. Brownaudiograms. Similar S/N considerations are applicable to many darter and sculpin systems. This chapter reviews the currently documented diversity of sound production in darters, sculpins, and gobioids within a phylogenetic context, examines the efficacy of signal transmission from senders to receive

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