@rethink

"Early sculptures of Varaha generally depict him in his boar form. Anthropomorphic depictions of Varaha with human body and boar’s head become popular in the later period. "

Roshen Dalal (5 October 2011). Hinduism: An Alphabetical Guide. Penguin Books India. pp. 444–5. ISBN 978-0-14-341421-6.

"Varaha may be depicted completely as a boar or in an anthropomorphic form, with a boar's head and human body."

Source: Wikipedia

"As half-human, half-animal, he is often shown standing with one leg bent supporting Bhumidevi, whose expression, according to Indian canons of representation, should express both shyness and joy."

Source: Encyclopedia Britannica (http://www.britannica.com/EBchecked/topic/623230/Varaha)