As the reader sees, the two barricades, though materially isolated, were in communication with each other.
CHAPTER IV—MINUS FIVE, PLUS ONE
After the man who decreed the “protest of corpses” had spoken, and had given this formula of their common soul, there issued from all mouths a strangely satisfied and terrible cry, funereal in sense and triumphant in tone:
“Long live death! Let us all remain here!”
“Why all?” said Enjolras.
“All! All!”
Enjolras resumed:
“The position is good; the barricade is fine. Thirty men are enough. Why sacrifice forty?”
They replied:
“Because not one will go away.”