~_Sibynophis collaris triangularis_~ Taylor and Elbel, Univ. Kansas Sci. Bull., 38:1130, fig. 23, March 20, 1958. HOLOTYPE.--No. 33520, Nongko (village), Siracha (district), Chon Buri (province), Thailand; Boonsong Lekagul; August 18, 1953. ~_Tantilla costaricensis_~ Taylor [= _Tantilla schistosa costaricensis_ Taylor, according to Smith (Herpetologica, 18:16, 1962)], Univ. Kansas Sci. Bull., 36:766, fig. 25a, July 15, 1954. HOLOTYPE.--No. 30995, Cervantes, Cartago Province, Costa Rica; Edward H. Taylor; August 30, 1951. ~_Tantilla schistosa costaricensis_~ Taylor--See _Tantilla costaricensis_. ~_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. PARATYPES.--Nos. 47470 and 47471, data same as on holotype. _Transmitted June 28, 1962._ □ 29-4227 Transcriber’s Note: Words and phrases in italics are surrounded by underscores, _like this_. Those in bold are surrounded by tildes, ~like this~. Two misspelled words were corrected.