Here we have an example of the Hebrew-like use of and after a when-clause. This non-English use of and was removed by Joseph Smith in his editing for the 1837 edition. For other examples of this construction with when-clauses, see under hebraisms in volume 3. The critical text will restore this usage whenever it is supported by the earliest textual sources.
Summary: Restore the Hebraistic use of and after the when- clause in Alma 32:38.