IN his letter to NATURE of Jan. 25, Dr. Tate Regan uses the researches of my colleague, Mr. Thornton Carter, as an argument against the validity of the classification of the Primates adopted by Prof.
MR. TATE REGAN'S letter in NATURE of Jan. 25 on the classification of the Primates, with special reference to the microstructure of the dental enamel, again raises the vexed question of Primate ...