 | Erasmus Darwin - 1800 - 676 páginas
...others broad ones to filtrate the water of lakes, and to retain aquatic infedls. All which feem to have been gradually produced during many generations...endeavour of the creatures to fupply the want of food, and 10 have been delivered to their pofterity with conftant improvement of them for the purpofes required,... | |
 | Erasmus Darwin - 1801 - 602 páginas
...ones to filtrate the water of lakes, and to retain \ - * aquatic infecls, as ducks. All which feem to have been gradually produced during many generations...and to have been delivered to their pofterity with confl ant improvement of them for the purpofcs required. The third great want amongli animals is that... | |
 | Erasmus Darwin - 1818 - 616 páginas
...broad ones to liltrate the water of lakes, and to retain aquatic insects, as ducks. All which seem to have been gradually produced during many generations by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of... | |
 | Edmund Saul Dixon - 1848 - 388 páginas
...others broad ones to filtrate the water of lakes, and to retain aquatic insects. All which seem to have been gradually produced during many generations, by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of... | |
 | Edmund Saul Dixon - 1857 - 544 páginas
...others broad ones to filtrate the water of lakes, and to retain aquatic insects. All which seem to have been gradually produced during many generations, by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of... | |
 | Herbert Spencer - 1864 - 506 páginas
...being directly adaptive. Enumerating various appliances for procuring food, ho says they all " seem to have been gradually produced during many generations by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of... | |
 | Herbert Spencer - 1864 - 510 páginas
...being directly adaptive Enumerating various appliances for procuring food, he says they all " seem to have been gradually produced during many generations by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of... | |
 | Ernst Ludwig Krause - 1879 - 230 páginas
...others " broad ones to filtrate the water of lakes, and " to retain aquatic insects. All which seem to " have been gradually^ produced during many " generations by the perpetual endeavour of the " creatures to supply the want of food, and to " have been delivered to their posterity with " constant improvement... | |
 | Ernst Krause - 1879 - 224 páginas
...ones to filtrate the water of lakes, and " to retain aquatic insects. All which seem to '" have leen gradually produced during many " generations by the perpetual endeavour of the " creatures to supply the want of food, and to " have leen delivered to their posterity icitlt " constant improvement... | |
 | Samuel Butler - 1879 - 402 páginas
...and others broad ones to filtrate the water of lakes and to retain aquatic insects. All which seem to have been gradually produced during many generations by the perpetual endeavour of the creature to supply the want of food, and to have been delivered to their posterity with constant improvement... | |
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All which seem to have been gradually produced during many generations by the perpetual endeavour of the creatures to supply the want of food, and to have been delivered to their posterity with constant improvement of them for the purpose required. 
