Chromatic and morphological anomalies in gymnophionans from India oleh Govindappa Venu, Govindaiah Venkatachalaiah, Halemane Ganesharao Seetharama, Gandlahalli Narasimaiah Balakrishna, Hmar Tlawmte Lalremsanga, Robert Kenneth Browne, Rajashekharaiah Nijagunaiah, Narayanappa Govinda Raju, Kulkarni Varadh, Sompalem Ramakrishna, Klaus Henle