  Starting from the well-known quantum Miura-like transformation for the non
simply-laced Lie algebras B(3),we give an explicit construction of the Casimir
WB(3) algebras.We reserve the notation WB(N) for the Casimir W algebras of type
W(2,4,6,...,2N,N+1/2) which contains one fermionic field. It is seen that WB(3)
algebra is closed an associative for all values of the central element c.
