As the last three biguns remaining with Ralph, they have a great stake in quickly developing some solutions to Piggy's virtual blindness and the loss of a signal fire, as well as protecting themselves from Jack's deadly tribe. Piggy insists that Ralph call an assembly to discuss the matter. Although blowing the conch to summon only themselves seems rather ridiculous, Piggy asserts that "It's the only thing we got." Assemblies regulated by the conch still bring him comfort despite their lack of effectiveness.
In fact, the conch is the only tool of authority or action left to them, but it's an ineffectual one, given the savages' loss of regard for it. When Ralph blows the conch at Castle Rock, for example, the savages greet him with silence and a stone thrown at Sam by Roger. The conch symbolizes not only the power to speak during assembly but also the power of speech itself, an ability that separates humans from animals. In a way, the savages cause Ralph to lose his power of speech, when he gives up his address on the importance of rescue because he is "defeated by the silence and the painted anonymity." With the exceptions of Jack's commands, the savages' reactions to Ralph's and Piggy's speeches are all non-verbal: jeering, laughing, booing, and a general "clamor." Following Roger's impulsive assassination of Piggy, "the silence was complete" as Piggy provided the last bastion of human intellect and reason on the island.
