  We present the multi-wavelength identifications for 23 sources in the
Canada-UK Deep Submillimeter Survey (CUDSS) 14h field. The identifications have
been selected on the basis of radio and near-infrared data and we argue that,
to our observational limits, both are effective at selecting the correct
counterparts of the SCUBA sources. We discuss the properties of these
identifications and find that they are very red in near-infrared color, with
many classified as Extremely Red Objects, and show disturbed morphologies.
Using the entire CUDSS catalogue of 50 sources we use a combination of
spectroscopic redshifts (4 objects), 1.4GHz-to-850um flux ratio redshift
estimates (10 objects), and redshift lower-limits based on non-detections at
1.4GHz (the rest of the sample) to estimate a lower-limit on the median
redshift of the population of z_med > 1.4. Working from simple models and using
the properties of the secure identifications, we discuss general and tentative
constraints on the redshift distribution and the expected colors and magnitudes
of the entire population.
