SUBJECT INDEX — MORPHOLOGICAL SECTION 



581 



C. 0. 1881.1; Dambeck, K. 1877.2; 

 Gudger, E. W. 1913.5; Raj, B. S. 1914.1; 

 Robson, C. H. 1884.1; Schneider, A. F. 

 1883.1. 



Fossilized remains of claspers iti Ceto- 

 rhinus and PleuracantfiMS. Beneden, P. 

 J. 1876.1,.2; Fritsoh, A. J. 1890..S, 1895.1. 

 — CUmoermds. Woodward, A. S. 1889.2, 

 1906.3. 



Frontal claspers in Chimceroids. Dean, 

 B. 1906.1. 



Morphology of the claspers or myxop- 

 terygia. Albrecht, P. 1886.2; Bloch, M. 

 E. 1785.4, 1788.1; Costa, 0. G. 1861.1; 

 Daiddoff, M. 1879.1; Davy, J. 1839.1, 

 1861.1; Gannan, S. 1877.2; •Gegen- 

 baur, C. 1870.4,.5, 1876.1: Gunner, J. E. 

 1763.1; •Huber, O. 1901.1,. 2, 1908.1; 

 •Jungersen, H. F. 1898.2,.3, Add. 1899.1; 

 •Krall, A. 1908.1; Mayer, A. F. 1834.1, 

 1842.1; Ostroumov, A. A. (Phylogeny) 

 1893.1; Parker, T. J. 1886.2; •Petri, K. 

 R. 1878.1; Putnam, F. W., & Garman, 

 S. "W. 1874.1; Stannius, F. H. 1840.1; 

 Treviranus, G. R. 1826.1,.2; Vogt, C. C., 

 & Pappenheim, S. 1859.1; Haswell, W. A. 

 Add. 1884.1. — Shown to be copulatory 

 organs. Agassiz, J. L. 1858.9,. 10. — Early 

 ref. Klein, J. T. Pre-Linn. 1740.1. 



^^Gland " o^ciasper, anatomy, etc. Home, 

 E. 1809.1, 1810.1, 1813.1; Jungersen, H. 

 E. 1898.2,.3, Add. 1899.1; Molin, R. 

 1853.1, 1859.1; Smith, (Sir) A. 1829.1, 

 1849.1. 



For a recent paper on claspers, gland, 

 etc., see *Leigh-Sharpe, W. H. in Journ. 

 Morphology, 1920, ml. 34, pp. 245-265; 

 1921, vol. 35, pp. 359-378; 1922, vol. 36, 

 pp. 191-244, ills. 



Foetal membranes. Pseudamnion, 

 a thin, transparent membrane, the homo- 

 logue of the horny egg-case of oviparous 

 forms. Evant, T. 1904.1, .2; Gudger, E. 

 W. 1912.1. — Mustelus. Parker, T. J. 

 1882.4, 1890.1. 



Numerous embryos in a single envelope; 

 Rhinobatus and Trygonorhina. Haacke, 

 J. W. 1885.2, Add. 1886.1. — Discussion 

 of this. Jungersen, H. F. 1885.1. 



An analysis of the pseudo-amniotic fluid. 

 Liversidge, A. Add. 1890.1. 



Nourishment of embryo in Selachii. 



Nourishment by means of external gills, 

 acting as placenta. Alcock, A. W. 1890.2, 

 1892.4; •Clemens, P. 1895.1; Home, E. 

 1810.1, 1816.3; Jacobson, L. L. 1834.1; 

 Leuckart, F. S. 1836.1; Lubach, D. 

 1870.1; Rathke, M.H. 1827.1; Schenk, 

 S. L. 1875.1; Macartney, J. Add. 1818.1; 

 Owen, R. Add. 1833.1. 



For the structure and development of the 

 external gills in Selachii, see False Ex- 

 ternal Gills under Respiratory System. 



Yolk-sac-placenta formation in sharks. 

 Ercolani, G. B. 1879.1; Leydig, F. 1852.1; 

 •Mehrdorf, C. 1890.1; •Miiller, J. 1842.3. 



See also Yolk Sac and Umbilical Cord, 

 under Embryology. 



Dorsi-ventral expansion of tail of em- 

 bryo Pteroplatea, probably functioning as 



an absorptive surface. 

 1911.1. 



Gudger, E. W. 



Uterus. Structure. •Bruch, E. 1860.1. 



— Condition before first gestation. Blaizot, 

 L. 1908.1, .2. — Mucosa, histology. Brink- 

 mann, M. C. 1903.1. — Musculus sphincter 

 uterorum. Widakowich, V. 1907.2, 1908.1. 



— Internal structure. Leydig, F. Add. 

 1857.1. 



Uterine villi or trophonemata, structure, 

 relation to embryo, etc. Gudger, E. W. 

 1912.2, 1913.3; Lbnnberg, A. J. 1902.2; 

 Trois, E. F. 1867.1, 1876.6; Widakowich, 

 V. 1907.1; •Wood-Mason, J., & Alcock, 

 A. 1891.2, 1892.1; Carus, C, Otto, A., & 

 D'Alton, E. Add. 1828.1. 



Viviparity, general accounts. •Alcock, 

 A. W. 1890.2, 1901.1, 1902.1; Gudger, 

 E. W. 1912.2; Home, E. 1810.1, 1816.3; 

 Mitchell, S. L. 1803.1; •Miiller, J. 

 1840.1, 1842.1, 1842.3; Miiller, J„ & 

 Henle, J. 1841.1; Tilesius von Tilenau, 

 W. G. 1802.1. 



Figures of embryos of various species. 

 •Garman, S. 1913.1. 



Viviparity in the following sharks 

 and rays, including in some cases de- 

 scriptions of their intra-uterine embryos. 



Sharks 



Acanthias. Garman, S. 1913.1; Leidy, 

 J. 1865.1; Leuckart, F. S. 1831.1; Sau- 

 vage, H. E. 1888.4; Wyman, J. 1848.1. 



Chlamydoselachus. Brohmer, P. 1909.1; 

 Dean, B. 1903.6; Garman, S. 1913.1; 

 Ni^ikawa, T. 1898.1; Ziegler, H. E. 

 1908.1. 



Galeus. •Miiller, J. 1840.1, 1842.3; 

 Peabody, J. E. 1896.1. 



Lamna. Calderwood, W. • L. 1887.1; 

 Lohberger, J. 1910.1; Shann, E. W. 

 1911.1; Swenander, G. 1907.1. 



Pristiophorus. Haswell, W. A. 1885.1, 

 Add. 1889.1; Stead, D. G. 1906.2. 



Pristis. Hussakof, L. 1912.3; South- 

 well, T. 1910.2. 



Zygcena. Cantor, T. E. 1845.1; Gudger, 

 E. W. 1912.1; Leuckart, F. S. 1836.1; 

 Wyman, J. 1856.4. 



Viviparity in — Galeorhinus. Garman, 

 S. 1913.1. —Scoliodon. Gudger, E. W. 

 1915.3. —Scymnus. Parker, T. J. 1882.1. 



— Carcharodon. Sanzo, L. 1910.1. — 

 Oxyrhina. Vaillant, L. L. 1889.1. — 

 Squalus. Zouiev, B. 1787.1. — Centrina. 

 Carus, C. G., Otto, A. W. & D'Alton, E. 

 Add. 1828.1. 



Rays 



Aetobatus. Coles, R. J. 1910.1, 1913.1; 

 Gudger, E. W. 1914.1; Klunzinger, C. 

 B. 1871.1. 



Narcacion and Rhina. Garman, S. 

 1913.1. 



Narcine. Bean, B. A. & Weed, A. C. 

 1911.1; Garman, S. 1913.1. 



Pteroplatea. Alcock, A. W. 1892.5. 



— Pteroplatea and Dasyatis. Gudger, E. 

 W. 1910.1, 1911.1, 1912.2, 1913.3. 



