The word "species" now signifies a grade or rank in classification assigned by systematists to an assemblage of organic forms which they judge to be more closely interrelated by common descent than they are related to forms judged to be outside the species, and of which the known individuals, if they differ amongst themselves, differ less markedly than they do from those outside the species, or, if differing markedly, are linked by intermediate forms. It is to be noted that the individuals may themselves be judged to fall into groups of minor rank, known as sub-species or local varieties, but such subordinate assemblages are elevated to specific rank, if they appear not to intergrade so as to form a linked. [Please select]
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The specimen from Párajo Verde, Veracruz, was considered to be an intergrade between _P. [Please select]
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It is likely that this specimen is an intergrade between _C. [Please select]
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It is clear, however, that these smaller animals intergrade with the larger shrews of the more western mountains. [Please select]
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Where the ranges of the two species meet in Washington they seem not to intergrade. [Please select]
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Previously the two kinds were thought not to intergrade and were regarded as two species. [Please select]
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The two kinds intergrade also in northeastern California, although in that state _S. [Please select]
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