Full Idea
There seems to be an incongruity between Kripke's definitionalist account of the essence of kinds (and the induced necessities), and his definition-free account of naming.
Gist of Idea
Kripke has a definitional account of kinds, but not of naming
Source
comment on Saul A. Kripke (Naming and Necessity lectures [1970]) by Joseph Almog - Nature Without Essence X
Book Reference
-: 'Journal of Philosophy' [-], p.374
A Reaction
Putnam places more emphasis on baptising a prototypical example, just as we baptise named things.