MARIA MITCHELL (1818-1889), American astronomer, was born of Quaker ancestry on the island of Nantucket on the 1st of August 1818.
He was able by appropriate experiments to demonstrate that when an albino is derived (extracted) from a coloured ancestry, and is then crossed with a coloured individual, both the colour of the pigmented parent and of the pigmented ancestry of the albino may appear among the individuals of the offspring.
The mutual relations of palaeontology and embryology and comparative anatomy as means of determining the ancestry of animals are most interesting.
Like all organic growths, whether of nature or of the fancy, they are not the immediate product of one country or of one time; they have a pedigree, and the question of their ancestry and affiliation is one of wide bearing.
The plateau is inhabited by pure-blooded Rajput races, whose ancestry can be traced back for centuries, with all their numerous offshoots.
That an animal in its growth from the egg to the adult condition tends to pass through a series of stages which are recapitulative of the stages through which its ancestry has passed in the historical development of the species from a primitive form; or, more shortly, that the development of the individual (ontogeny) is an epitome of the development of the race (phylogeny).
Were the geologic record complete he would be able to trace the ancestry of man and of all other animals back to their very beginnings in the' primordial protoplasm.
The kings were, with very rare exceptions, chosen from one particular family in each state, the ancestry of which was traced back not only to the founder of the kingdom but also, in a remoter degree, to a god.
His ancestry was mingled English and Holland Dutch, and had flourished upon Long Island more than 150 years - long enough to have taken deep root in the soil and to have developed, in its farmers and seafaring men, many strong family traits.
Unless the junglecat, which is a nearly whole-coloured species, can claim the position, the ancestry of these Manx-Malay cats is still unknown.