Tantilla schistosa taylori Smith, Herpetologica, 18:17, April 9, 1962.
Holotype.—No. 35627, Suretka, Limón Province, Costa Rica; Edward H. Taylor; August 1, 1954.
Thamnophis melanogaster chihuahuaensis Tanner, Herpetologica, 15:170, figs. 1-2, December 8, 1959.
Paratypes.—Nos. 44275-44278, 23 miles south and 1.5 miles east of Creel, Chihuahua, México; Sydney Anderson and Ronald H. Pine; July 19-21, 1957.
Note.—Tanner (1959:170) erroneously listed these specimens as being from 1.5 miles east of Creel.
Tropidoclonion lineatum annectens Ramsey, Herpetologica, 9:12, June 1, 1953.
Holotype.—No. 30005, Tulsa, Tulsa County, Oklahoma; Harold Dundee; May 3, 1951.
Paratypes.—Nos. 30006-30011, data same as holotype.
Typhlops silus Legler [= Typhlops lumbricalis (Linnaeus), according to Richmond (Copeia, 1961(2):222, 1961)], Herpetologica, 15:105, June 2, 1959.
Holotype.—No. 47469, Banes, Oriente Province, Cuba; Chapman Grant; April, 1956.