“…A connection of the TT and TVP has been reported in man [Kostanecki, 1891;Eschweiler, 1899;Gaupp, 1912;Körner, 1942;Lupin, 1969;Proctor, 1973;Kamerer, 1978;Rood and Doyle, 1978], chimpanzee [Kostanecki, 1891;Gaupp, 1912], Hanuman monkey [Kostanecki, 1891;Gaupp, 1912], marsupials [Kostanecki, 1891;Gaupp, 1912;Edgeworth, 1914], bats [Kostanecki, 1891;Gaupp 1912] and pinnipeds [Kostanecki, 1891;Gaupp, 1912], but not in rhesus monkey [Doyle and Rood, 1980]. Although man and rhesus monkey both have a bony enclosure of the ME and AT, there is an interspecific difference regarding the structural relationship of the TT to the TVP.…”