University of Calcutta. Study of the Head-Hair of the Noluas of Bengal

University of Calcutta STUDY OF THE HEAD-HAIR OF THE NOLUAS OF BENGAL BY MR. [...] Colour The hair samples of the Noluas were examined for colour by: matching with the graded tones of the Fischer-Saller-.Hahrfarbebtafel. [...] Thq technique for microscopic examnation followed is that of Trotter.' The procedure consists of cleansing the hair in an ether-alcohol solution and measuring the greatest (di) and the least (d2) transverse diameters of the hair shaft at a given level fixing it on a glass slide by means of canada balsam. [...] Index" is obtained from these diameters.- (1 x 100 Index— di The mean index of 50 hair samples of Noluas is 77'4 Size :— Size or the area of a cross-section surface of the hair shaft is determined by multiplying half the qreatest &meter and half the least.diameter and the product by w that is (id.. [...] The mean size or the area of cross-suction surface of 50 hair shafts of the Noluas is.00315 Sq.