Mann's worm snakeMann's worm snake '' is a species of blind snake in the family Typhlopidae. The species is native to West Africa.EtymologyThe specific name, manni, is in honor of William Montana Mann, who was an American entomologist and zoo director.DescriptionLetheobia manni has a broad, trilobate snout. It has 26 rows of scales around the body at midbody. The total length is 40 times the diameter of the body at midbody.Geographic rangeLetheobia manni is found in Guinea and Liberia, at altitudes from sea level to.ReproductionLetheobia manni is oviparous.