A new subspecies, Lichanura trivirgata bostici, from Cedros Island, Baja California del Norte, Mexico, is described, figured, and compared to other taxa of the genus.
Ottley, John R.
"A new subspecies of the snake Lichanura trivirgata from Cedros Island, Mexico,"
Great Basin Naturalist: Vol. 38
, Article 5.
Available at: http://scholarsarchive.byu.edu/gbn/vol38/iss4/5