If species be only well-marked and permanent varieties, we can at once see why their crossed offspring should follow the same complex laws in their degrees and kinds of resemblance to their parents, — in being absorbed into each other by successive crosses, and in other such points, — as do the crossed offspring of acknowledged varieties. This similarity would be a strange fact, if species had been independently created and varieties had been produced through secondary laws.
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K E Y W O R D S
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◊ authp_C_h_D_a_r_w_i_n
◊ authp_D_a_r_w_i_n
◊ cover_O_r_i_g_i_n_o_f_S_p_e_c_i_e_s
◊ edit_J_o_h_n_M_u_r_r_a_y
◊ edit_J_M_u_r_r_a_y
◊ edit_M_u_r_r_a_y
◊ yauth_1_8_5_9, yauth_1_8_7_2, yedit_1_8_7_2
◊ book_quote, lantxt_en, hdr_v2
• keywords_da_inserire
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[] C h. D a r w i n, ‹T h e O r i g i n o f S p e c i e s›, J o h n M u r r a y, 1 8 7 2⁶.
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