  Following our work presented in Dai et al. (2016), we report our detailed
data analysis for another 38 Fermi gamma-ray un-associated sources. These
sources are selected from the Fermi Large Area Telescope (LAT) third source
catalog on the basis of the properties of known gamma-ray millisecond pulsars
(MSPs) and for the purpose of finding likely candidate MSPs. From our analysis
of the LAT data, we identify that among the 38 sources, 28 of them are single
point-like sources with clean background and their spectra show significant
curvature. We also conduct analysis of archival X-ray data available for 24 of
the 28 sources. In the fields of 10 sources, there are at least one X-ray
object, and in those of the other 14 sources, no X-ray object is detected but
probably due to the X-ray observations being short. We discuss the possible MSP
nature for these sources. Six of them(J0514.6-4406, J1035.7-6720, J1624.2-4041,
J1744.1-7619, J1946.4-5403, and J2039.6-5618) are most likely associated with
pulsars because of multi-wavelength identifications including direct radio or
gamma-ray detection of pulsations. To firmly establish the associations or
verify the MSP nature for other sources, deep X-ray and/or optical observations
are needed.
