Errata
 page 56,

second equation in (2.4.30)
Please change the RHS to read:
`` 1/l_{1}^{2}
+ 1/l_{2}^{2}
+ l_{1}^{2}
l_{2}^{2},''
where ``l'' stands for ``lambda''

equation (2.4.32)
Please remove the ``h from the denominator.
 page 57

line 1
Please remove the slash to read ``E_{S}= E_{V} h''

equation (2.4.34)
Please replace the lhs with ``W_V'',
and remove ``h'' from the denominator on the rhs.

equations (2.4.38)
Please remove the comma before the second period.
 page 63, line 4 up
Please replace ``Figure 2.6.1'' with ``Figure 2.2.4(a)''.
 page 89, middle of the page
Please replace ``Figure 2.6.1'' with ``Figure 2.2.4(a)''.
 page 194, Reference [61]
Please replace ``Biological Fluid Mechanics''
with ``Biological Fluid Dynamics''