Steve, I'm at a loss to find it. But the article appeared in 1966 in a Festschrift for the anthologist B. A. Botkin, and the singer was named Tom Brandon.

Another version of the bawdy song is in Randolph-Legman, No. 148. The refrains there are "With a rio, rio randy O!" and "With a gallopin' roar an' a dandy O!"

Very interestingly, that singer's tune is that of the shanty, "Blow the Man Down." He learned the song in Missouri in the 1880s.

The story line and words are similar to those of Hugill's bawdy version of "Hoodah, Hoodah," which he sang at Mystic in 1988 to the tune of "Camptown Races." With three or four texts from different times and places, it seems likely that it was one of the most popular bawdy shanti, with lyrics fitted to whatever shanty tune was convenient. (Legman notes, but doesn't offer, a version he collected in 1964.)

Someone on the ballad list can undoubtedly pass you Fowke's text long before I can find it. They might even know of additional ones.