AmS-LaTeX Environments:

abstract    align       align*      aligned     aligned*
alignat     alignat*    alignedat   alignedat*  array
bmatrix     cases       CD          center      description
displaymath document    enumerate   eqnarray    eqnarray*
equation    equation*   figure      figure*     flushleft
flushright  gather      gather*     gathered    gathered*
itemize     list        math        matrix      minipage
multline    multline*   picture     pmatrix     quotation
quote       Sb          split       tabbing     table
table*      tabular     thebibliography         theorem
titlepage   verbatim    verse       Vmatrix     vmatrix
xalignat    xalignat*   xxalignat   xxalignat*