Alliteration
a figure of speech in which the same sound appears at the beginning of two or more words. Alliterative words are consecutive or close to each other in the text.
Example From Text
But she lay there limp and lifeless in the bloody, trampled snow, almost literally torn to pieces, the swart halfbreed standing over her and cursing horribly.
Explanation
London repeats the "L" sound in the phrase "lay there limp and lifeless" to emphasize Curly's brutal death.