379 



Ooelenterata — Mollusca. 



XIII. Coelenterata (593.5—8). 



64615 Duerden, J. E. 1902. Report on the Actinians of Porto Rico. Bull. U. S. 

 Fish Comm. 1900. Vol. 2. p. 321—374, 13 pis. [593.65(7295). 

 [Bunodosoma spherulata.) 

 16Aders, Walter M. 1903. Beiträge zur Kenntnis der Spermatogenese bei 

 den Coelenteraten. Zeitschr. wiss. Zool. Bd. 74. p. 81 — 108, 2 Taf., 

 8 Figg. [593.704.631. 



17 Andersson, K. A. 1903. Eine Wiederentdeckung von Cephalodiscus (Mac 



Intosh). (Vorläufige Mittheilung.) Zool. Anz. Bd. 26. p. 368—369. 



[593.71 C. 



18 Gast, Reinhard und Emil Godlewski, jr. 1903. Die Regulationserschei- 



nungen bei Pennaria cavolinii. Arch. Entw.-Mech. Bd. 16. p. 76 — 116, 

 2 Taf., 22 Figg. [593.71 P. 



19 Morgan, T. H. 1903. Some Factors in the Regeneration of Tubularia. 



Arch. Entw,-Mech. Bd. 16. p. 125—154, 16 figg. [593.71 T. 



XIV. Echinoderma (593.9). 



20Airaglii, Carlo. 1903. Alcuni Echinidi del Terziario veneto. Atti Soc. 



ital. Sc. nat. Mus. civ. Stor. nat. Milano, Vol. 41. p. 415 — 425, 1 tav. 



(3 nn. spp.) [563.95(te). 

 21 MacBride, E. W. 1903. The Development of Echinus esculentus^ together 



with some points in the Development of E. miliaris and E. acutus. Trans. 



R. Soc. London, Vol. 195 B. p. 285—327, 10 pis. [593. 95E. 



64622 Morgan, T. H. 1903. The Gastrulation of the Partial Embryos of Sphae- 

 rechinus. Arch. Entw.-Mech. Bd. 16. p. 117 — 124. [593.95S. 



XVI. Mollusca (594.0—594.5). 



23 Le Brockton Tomlin, J. R. and E. D. Marquand. 1903. The Land and 

 Freshwater Shells of the Channel Islands. Journ. of Conch. Vol. 10. 

 p. 285—294. [594.(4234). 



24Mayfield, Arthur. 1903. Notes on the Land and Freshwater Mollusca of 

 Fast Suffolk. Journ. of Conch. Vol. 10. p. 295—299. [594.(4264). 



25Ridewood, W. G. 1903. On the Structure of the Gills of the Lamelli- 

 branchia. Trans. R. Soc. London, Vol. 195B. p. 147—284, 61 figg. 



[594.104.28. 



26Melvill, James Cosmo. 1903. The Genera PseudoUva and Macron. Journ. 

 of Conch. Vol. 10. p. 320. [594.32P. 



[M. a. subg.) 



27 Smith, Edgar A. 1903. Descriptions of New Speeles of Land Shells from 

 Central Africa. Journ. of Conch. Vol. 10. p. 315 — 319, 1 pl. [594.38(67). 

 (14 nn. spp.) 



28Pearce, S. S. 1903. The Association oîHelix nemoralis and Helix hortensis. 

 Journ. of Conch. Vol. 10. p. 300 — 301. [594.38 H. 



64629 Welch, R. 1903. The Association of Helix nemoralis and H. hortensis in 

 Ireland. Journ. of Conch. Vol. 10. p. 302—303. [594.38H. 



25. V. 1903. 



