Notes on Ichthyology
نویسندگان
چکیده
منابع مشابه
Charles Darwin, ichthyology and the species concept
This issue of Fish and Fisheries, devoted to the‘Species Concept in Fish’, could bene¢t, one might think, from a brief review of what Charles Darwin (1809^1882), the founder of evolutionary biology, might have to sayabout ¢shes and the species concept. Darwin, as every biologist knows,wrote numerous books on particular groups of organisms: barnacles, orchids, earthworms, but neveron ¢shes.To co...
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One may postulate that man’s interest in fish emerged as soon as he was able to express his thoughts and notions as fish, among other animals, were subject of early communications. These were transmitted first by drawings, later by inscriptions and in writings. It was but much later that fishes began to occupy man’s interest as objects of science. Aristotle’s treatises on “History of Animals” i...
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In the identification process of weed materials available in "IRAN" herbarium, a specimen belonging to the genus Lactuca (Asteraceae) had the following characteristics: Plant annual, many stemmed from base; stem erect-slightly procumbent, slender, glabrous, whitish and leafy. Basal leaves dried; stem leaves ca. 7 × 0.5 cm, glabrous, linear-lanceolate, entire at margin, sessile, auriculate, auri...
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ژورنال
عنوان ژورنال: The American Naturalist
سال: 1910
ISSN: 0003-0147,1537-5323
DOI: 10.1086/279128