Many species of snakes have been proposed for it .
Richard Lancelyn Green concludes the Indian Cobra ( Naja naja ) is the snake which it most closely resembles , rather than Boa constrictor , which is not venomous .
Many species of snakes have been proposed for it , and Richard Lancelyn Green concludes the Indian Cobra ( Naja naja ) is the snake which it most closely resembles , rather than Boa constrictor , which is not venomous .