[Vwoolf] Why did VW prefer "a earwig" in the proofs of To the Lighthouse?

[Edward Mendelson]

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And, as I ought to have noticed earlier, "A earwig" and "a earwig" occur 
in the manuscript:

https://urldefense.com/v3/__http://www.woolfonline.com/?node=content*text*transcriptions&project=1&parent=6&taxa=15__;Ly8!!KGKeukY!zPuGKqOqQHB-8c2XAGplzVJHQUznFHMUfi06U494etzpRbGowX9dTXRjnuTi-oAYdglCQYADnall8K-82wvOtT-oy58fH-q1L3s$