Named after the popular dance and tune, similar to but not as slick as the Orchid bob this style has a softer more feminine look.
Other named Bobs:-
and the succeeding Shingle and its variants.
All the bobbed hairstyles you will see will be hybrids of the named styles. Every woman used her own taste and was influenced by whether she had shortened her hair or was growing it out. The styles serve as a guide to the date of a portrait.
Above photograph dated about 1925: Age about 19 years old Estimate: born 1906 ± 5 years