252 PROCEEDINGS OF THE ACADEMY OF [1896. 



205 — The mechanical genesis of the form of the fowl's egg. Proc. 

 Amer. Phil. Soc, 1893, XXXI, i)p. 203-209, 1 fig. 



206 — The adaptive forms and vortex motion of the substance of 

 the red blood-corpuscles of vertebrates. Proc. Amer. Phil. iSoc., 

 XXXII, No. 143, May, 1893, pp. 272-275. (Bead at the meeting 

 commemorating the 150th anniversary of the foundation of the So- 

 ciety). 



207 — The correlations of the volumes and surfaces of organisms. 

 Contrib. Zool. Lab. Univ. of Penna., Vol. I, No. 1, 1893, pp. 3-36, 

 1 plate. 



208 — The growth of Euglena viridis when constrained principally 

 to two dimensions of space. Contrib. Zool. Lab. Univ. of Penna., 

 Vol. I, No. 1, 1893, pp. 37-50, 1 plate. 



209 — The synthetic museum of comparative anatomy as a basis 

 for a comprehensive system of research. Contrib. Zool. Lab. 

 Univ. of Penn., 1893. Separate, pp. 1-15. (A valuable paper 

 giving an outline of a museum adopted to modern methods of re- 

 search ; now being realized, in part, at the Wistar Institute, Univ. 

 of Penna.). 



210 — Biological research in relation to the fisheries. Bull. U. IS. 

 Fish Comm., 1893, pp. 59-63. (Bead before the World's Fisheries 

 Congress, Chicago, 1893). 



211 — Byder and Pennington, Mary E. Non-sexual conjugation 

 of the nuclei of the adjacent cells of an epithelium. Anat. Anzeiger, 

 11, Aug.. 1894, pp. 759-764. 



212 — Dynamical evolution. Biological Lectures Marine Biol. 

 Lab., Vol. II, Boston, 1894. 



213 — An arrangement of the retinal cells in the eyes of fishes 

 partially simulating compound eyes. Proc. Acad. Nat. Sci. Phila., 

 1895, pp. 161-166, 2 figs, in text. 



214 — The true nature of the so-called " nettle-cells" of Paramoe- 

 cmm. Proc. Acad. Nat. Sci. Phila., 1895, pp. 167-170. 



215 — A dynamical hypothesis of inheritence. Biological Lectures 

 Marine Biol. Lab., Vol. Ill, Boston, 1895. 



DESCRIPTIONS OF NEW SCIENTIFIC APPARATUS. 



216 — Holman's new compressorium and moist chamber. Amer. 

 Nat., 1880, p. 691. Also in Journal of the Franklin Institute. 



217 — Byder's automatic microtome. Amer. Nat, 1887, pp. 298- 

 302, 2 figs. (Description of rapid cutting section instrument in- 

 volving new principles of micrometric adjustment). 



218 — A new paraflBne embedding apparatus. Amer. Nat., 1887, 

 pp. 597-600. 



219 — A new method of entrapping, killing, embedding and 

 orienting infusoria and other small objects for the microtome. Amer. 

 Nat., 1895, pp. 194-198, 1 fig. in text. 



