Sentence:  A world of mere Patent-Digesters will soon have nothing to digest: such world ends, and by Law of Nature must end, in ‘over-population;' in howling universal famine, ‘impossibility,' and suicidal madness, as of endless dog-<WSD>kennels</WSD> run rabid. 
Meaning of the word marked with <WSD> tags:  The dogs kept at such a facility; a pack of hounds.