Walter Holbrook Gaskell

“ Sci. Vol. 37. 1894 BALFOUR 'Comparative Embryology.' Vol. 2 73, 74, 94, 103, 104, 120, 181, 259, 424 London. 1881. Macmillan & Co. "On the Origin and History of the Urino-genital Organs of Vertebrates" 390, 392 Journ. of Anat. and Physiol. Vol. 10. 1876 "On the Nature of the Organ in Adult Teleosteans and Ganoids, which is usually regarded as the Head-kidney or Pronephros" 420 Q. J. Micr. Sci. Vol. 22. 1882 BARKER 'The Nervous System' 470 London. 1901 BATESON "The Ancestry of the Chordata" 11 Q. J. Micr. Sci. Vol. 26. 1886 'Materials for the Study of Variation' 387 London. ”

“ Zool. Institut. Wien. Vol. 6. 1886 COPE "On the Phylogeny of the Vertebrata" 343 Proc. Amer. Philos. Soc. Vol. 30. 1892 CRONEBERG "Ueber die Mundtheile der Arachniden" 221-224, 241 Archiv. f. Naturgeschichte. 1880 CUÉNOT "Études sur le sang et les glandes lymphatiques dans la série animale; 2nd partie; invertébrés" 422 Arch. d. Zool. exper. gen. ”

“ Die Augen der Spinnen" 369 Archiv. f. mikr. Anat. Vol. 27. 1886 BIEDERMANN 'Electro-physiology' 20 Translated by F. A. Welby. London. 1896 BLANCHARD Quoted by Huxley 225 'L'Organisation du Règne Animal. ”