Addendum

Dunham E. C. , Amer. Journ. Dis. Child., 1923, xxvi, 156.

Fraser J. R. , Amer. Journ. Obst. and Gyn., 1927, xiv, 697.

Green-Armytage V. B. , Indian Med. Gaz., 1928, lxiii, 357.

Hamilton B. , Acta Pædiat., 1922, ii, 1.

Hansen F. C. C. , Meddeleser om Grønland Bind., lxvii, København, 1924. Section III, p. 291 and after.

Hess A. F. Lewis J. M. , Journ. Amer. Med. Assoc., 1928, xci, 783.

Hottinger A. , Zeitschr.f. Kinderh., 1927, xliv, 282.

Howland J. Kramer B. , Trans. Amer. Pediat. Soc., 1922, xxxiv, 204.

Kassowitz M. , Jahrb.f. Kinderh., 1913, xxvii, 277.

Korenchevsky V. , The Ætiology and Pathology of Rickets from an Experimental Point of View, Med. Research Council, Spec. Rep., Ser. No. 71, London, 1922, pp. 158–159.

Liu S. H. , Chinese Journ. Physiol., 1927, i, 331.

Liu S. H. , Journ. Clin. Investigation, 1928, v, 259.

Maxwell J. P. Miles L. M. , Journ. Obst. and Gyn. Brit. Empire, 1925, xxxii, 433.

Starlinger W. , Deutsche med. Wochenschr., 1927, liii, 1553.

Weech A. A. , Bull. Johns Hopkins Hosp., 1927, xl, 244.