That practical advantage in the struggle for existence must necessarily accompany increased specialization of organs, and thus produce a "higher" organization, was a prime point of Mr. Darwin's argument, though at the same time he found himself compelled to encumber it with qualifications which go very far to neutralize its force; for he had to explain the obvious fact that so many creatures which represent the lowest and least specialized forms of life, have survived down to our own time.
"The Old Riddle and the Newest Answer"
John Gerard
The shoals and sandbanks which abound on the outside of the bay, continue to encumber the navigation after it is entered, and the fleet was in consequence compelled to anchor every night.
"The Campaigns of the British Army at Washington and New Orleans 1814-1815"
G. R. Gleig
These serious reflections took about ten seconds to pass through my mind, as the grave-looking old servant proceeded to encumber himself with my cloak and my pistol-case, remarking as he lifted the latter, "And may the Lord grant ye won't want the instruments this time, doctor, for they say he is better this morning;" heartily wishing amen to the benevolent prayer of the honest domestic, for more reasons than one, I descended leisurely, as I conjectured a doctor ought to do, from the chaise, and with a solemn pace and grave demeanour followed him into the house.
"The Confessions of Harry Lorrequer, Complete"
Charles James Lever (1806-1872)