SUBJECT INDEX — MORPHOLOGICAL SKCTION 



413 



Embryo formation in — Elasmobranchii. 

 His, W. 1877.1, .2; Schultz, A. 1875.1, .2. 



— Amia. Eycleshymer, A. C. & Wilson, 

 J. M. 1906.1. — Acipenser. Zalenskil, V. V. 

 1879.1. 



Embryo formation in Teleostei. Henne- 

 guy, L. F. 1887.1 ; Kup£fer, C. W. 1867.1 ; 

 Heis, K. 1911.1. — Embryonic anlage, 

 Salmonids. Auerbach, M. 1904.1; Goro- 

 nowitch, N. 1885.1. 



Development of organs in Pristiurus, 

 Torpedo, Herring, and Trout. Oppel, A. 

 1891.1. -^Gadus. Ryder, J. A. 1884.3. 



— Acipenser. Zalenskil, V. V. 1879.1. 

 Neurenteric canal and neuropore, struc- 

 ture and development. Kopsch. F. 1896.1; 

 Kupffer, C. W. 1887.1; Stendell, W. 



1914.1. — Phytogeny of neuropore. Ayres, 

 H. Add. 1907.1. 



Primitive streak, the region on either 

 side of the primitive groove which is formed 

 by the concrescence of the lips of the blasto- 

 pore. — In Gymnarchus. Assheton, R. 



1907.2. — Development. BeUonci, G. 

 1884.1; Kupffer.C. W. 1884.1. —In 

 Teleosts. Henneguy, L. F. 1885.1, Add. 

 1884.1. — In meroblastic ova. Kollmann, 

 J. 1886.1. — In Scyllium. Kopsch, F. 

 1898.2. 



For the segmental structure of the develop- 

 ing head, see Metamerism under Head. 



CONCRESCENCE THEORY 

 Theory of the formation of _ the fish 



embryo, by the growing together of the 



lips of the germ ring. 



Disproved by experiments. Morgan, T. 



H. 1893.1. — Concrescence theory with 



reference to gastrulation of double embryos. 



Schmitt, F. 1902.1. 



Notes, remarks, and researches on the 



concrescence theory. Eycleshymer, A. C. 



1902.1; Glaesner, L. 1910.1; Minot, C. 



S. 1890.1; Ryder, J. A. 1885.9; Whitman, 



0. 0. 1878.1; •Virchow, H. Add. 1897.1. 



EupSer's vesicle 



A remnant of the arehenteron, found in 

 Teleostei and (doubtfully) in Ganoidei. 



Relation to recapitulation. Dean, B. 

 1909.4. — Morphological significance. 

 Cunningham, J. T. 1885.1 ; Reinhard, W. 

 1898.1,.2; Sobotta, J. 1898.1. 



Development in Murcenoids. Boeke, J. 

 1902.1. — Morphology, Trutta. Gregory, 

 E. H. 1899.1. -^Homologies. Kopsch, F. 

 1900.1. — Original description. Kupffer, 

 C. W. 1865.1. 



Relation to gastrulation and concrescence. 

 *Sumner, F. B. 1900.1. — Development 

 in Teleosts. Swaen, A. & Brachet, A. 



1902.1, 1904.1. 



Medullary tube 



Formation and development. His, W. 

 1893.1; •Locy, W. A. 1893.2, 1894.1. 



— Of Teleostei. Aichel, O. 1897.2. — 

 Teleostei and Petromyzon. Calberla, E. 



1877.2. — Teleostei. Goronowitsch, N. 

 1885.1; Jablonovskij, J. (Esox) 1899.1; 

 Schapringer, A. 1871.1. — Neoceratodus. 

 Semon, R. W. 1901.1. 



For other papers dealing with this sub- 

 ject, see Development of central nervous 

 system under Nervous system. 



For segmental structure of the medullary 

 tube, see under Metamerism. 



Yolk-sac 



Development, structure, etc. Harting, P. 

 1868.1; Mcintosh, W. 0. 1887.1 (iii); 

 •Virchow, H. 1892.1. ■ — Lepidosteus and 

 Scyllium., Beard, J. 1896.5. — Car- 

 charodon. Sanzo, L. 1910.1. 



Role of yolk-sac in larval nutrition, its 

 absorption into the body, etc. Fabre- 

 Domergue, P. & Bifetrix, E. 1898.1. — Ab- 

 sorption in Selachii. Giacomirti, E. 1894.2. 



— Various Teleosts. Ryder, J. A. 1883.1. 



— Salmo. Schumacher, S. 1900.1. — 

 Pelagic teleosts. Williamson, H. C. 1897.1. 

 — -Functions and histology, Batrachus. 

 Ryder, J. A. 1890.2. 



For the yolk-sac functioning as a placenta 

 in certain viviparous sharks, see Nourish- 

 ment of embryo below Viviparity under 

 Reproduction. 



UMBILICAL CORD 

 Umbilical cord, yolk-sac cord, or " Dot- 

 terstrang," of Elasmobranchii; structure. 

 MuUer, J. 1842.3; Schenk, S. L. 1874.1. 

 — Sphyrna. Gudger, E.W.1912.1; Leuck- 

 art, F. S. 1836.1. 



For .the umbilical cord functioning in 

 the transmission of food stuffs in viviparous 

 sharks, see Viviparity in various species, 

 in section on Reproduction. 



EMBRYOLOGY AND DEVELOPMENT 

 OF VARIOUS FISHES 



This section consists of papers of a general 

 nature dealing for the most part with the whole 

 developmental history of the following fishes. 

 For particular stages or specific structures, see 

 above. 



CEPHALOCHORDATA 



Embryology and development of Am- 

 phioxus. Abendroth, E. R. 1870.1; 

 •Cerfontaine, P. 1905.1, .2; •Hatschek, 



B. 1881.1, Add. 1884.1, 1888.1, 1893.1; 

 •Kovalevskil, A. 0. 1866.1, 1867.1, 1877.1; 

 Legros, R. 1910.1; Marchand, W. 1909.1; 

 Packard, A. S. 1875.1; Rice, H. J. 

 1880.1; Schultze, M. J. 1851.1; Willey, 

 A. 1891.1; Eismond, J. Add. 1894.1. — 

 Multiple and partial, development. Wilson, 

 E. B. Add. 1892.1, 1893.1. 



CYCLOSTOMATA 



Embryology of Myxine. Dean, B. 1899.3; 

 Home, E. 1815.2; Retzius, M. G. 1889.1. 



Bdellostorha. •Dean, B. 1897.4, 1898.2, 

 1899.6; Doflein, F. J. 1899.4; Price, G. 



C. 1896.1, .2. 



Petromyzon — Larger researches. Bal- 

 four, F. M. 1885.1; Calberla, E. 1877.3; 

 •Goette, A. 1888.1, 1890.1; •Kupffer, 

 C. 1888.1; Miiller, A. 1856.1,.2; Nestler, 

 K. 1890.1; •Nuel, J. P. 1881.1; •Ovs- 

 yannikov, P. V. 1870.1, .2, 1889.1, 1891.2; 

 Schultze, M. J. 1855.1, Add. 1856.1; 

 •Scott, W. B. 1880.1-1882.1, 1887.1. 



Petromyzon. — Shorter articles, notes, 

 etc. Agassiz, J. L. 1850.5; Home, E. 



