Cyclopedia universal history : embracing the most complete and recent presentation of the subject in two principal parts or divisions of more than six thousand pages . naturalist calls diverse spe-cies, then the offspring can not procre-ate its kind, and the movement in thedirection of a new variety of animalsceases with the iirst stage. If, how-ever, the two animals are so near to-gether in structure and characteristicsas to fall within the limits of what iscalled a species, then, indeed, the off-spring of their union can procreate alongthe new line of life. But it has beenuniversally observe
Cyclopedia universal history : embracing the most complete and recent presentation of the subject in two principal parts or divisions of more than six thousand pages . naturalist calls diverse spe-cies, then the offspring can not procre-ate its kind, and the movement in thedirection of a new variety of animalsceases with the iirst stage. If, how-ever, the two animals are so near to-gether in structure and characteristicsas to fall within the limits of what iscalled a species, then, indeed, the off-spring of their union can procreate alongthe new line of life. But it has beenuniversally observed that such propaga-tion is extremely feeble, and that ittends to weakness and early cases where this does not actuallyhappen, the offspring of the originalunion, after a few generations, revertsto the type of the one or the other of theancestors from which it was reversion to the character of stock appears to be the casewith the union of the different branches DISTRIBUTION OF THE RACES.—MIXED FORMS. 541 of mankind. That is, considered accord-ing to the biological classificationsuntil recently acknowledged as the best. APPROXIMATION OF BLACK AND BkuU ^i KALKS—THE MOOR FAGHE. Drawn by E. Ronjat. expressions of the different orders ofnature, all men fall within a single spe-cies, having its varietiesmen fall within a which may Unite despitesinge species. ^^ their strong distinc-tions, and produce a progeny havingthe qualities of both parentages. It hasbeen maintained by many naturalists,and until recently has been generallybelieved, that these hybrid forms of hu-man life have in them the elements ofperpetuity, that the new variety of man-kind thus established is fecund in itskind, and as well qualified to maintainits independent characteristics as is either of the types from which it hasbeen derived. A closer study of the situation, how-ever, has established the opposite is now known, and wellnigh universal-ly recognized by bi
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