354 SCIENCE PROGRESS. 



(51) Rudolphi. Einige Beobacht. ii. Darmzotten. Reii's Archiv, 



bd. iv., 1800. 



(52) SALVIOLI. Du Bois ReymoncTs Arc/iiv, Supp., 1880. 



(53) SCHAEFER. Pfliigers Archiv, bd. xxxiii. and xxxvii. 



(54) Schaffer. Wien Sitzungsb., abt. i ii., p. 440, 1892. 



(55) SHORE. Journal of Physiol., vol. xi., p. 528, 1890. 



(56) SPINA. Ueber Resorption und Secretion. Leipzig, 1882. 



(57) STRECKER. Licbig's Annalen, lxv., p. 29, 1848. 



(58) SUSINI. Journal de T Anatomic, p. 144, 1868. 



(59) TAPPEINER. Wien Sitzungsb., bd. lxxvii., abt. iii., p. 281, 



1878. Zeitschr. f. Biologic, xvi., p. 497, 1800. 



(60) Tebb. Journal oj Physiol, vol. xv., p. 421, 1893. 



(61) THANHOFFER. P finger's Archiv, bd. viii., p. 391, 1874. 



(62) TOMASINI. Riforma medica, arm. viii., 7th Oct., 1892. 



(63) C. VOIT and Bauer. Zeitschr. f. Biologic, bd. v., 1869. 



(64) De VRIES. Priugshei/u's fahrbuch f zuissensch. Botanik, 



bd. xiv., heft 4. 



(65) V. WALTHERS. Du Bois Rcymond's Archiv, p. 328, 1890. 



(66) Watney. Phil. Trans., vol. clxvi. 



(67) Waymouth Reid. fournal of Physiology, vol. xi., p. 312, 



1890. British Medical fournal, 25th January, 1890; 13th 

 February, 1892 ; 28th May, 1892. British Association 

 Reports, p. 748. Edinburgh, 1892. 



(68) Wertheimer. Archives de Physiotogie, tome v., p. 751, 1893. 



(69) WlEDERSHEIM. Festschr d.naturforsch. Gesellsch. z. Freiburg z. 



hi. Versamml. d. Naturforschers, p. 49, 1883. 



(70) WILL. Pfluger's Archiv, bd. xx., p. 255, 1879. 



(71) V. WlSTlNGHAUSEN. Dissert. Dorpat, 1851. 



(72) ZAWARYKIN. Pfliigers Archiv, bd. xxxi., xxxv., and xl. 



E. Waymouth Reid. 



