1896.] NATURAL SCIENCES OF PHILADELPHIA. 287 



An account of experiments in oyster culture and ob- 



servations thereon, made at St. Jerome's Creek, Maryland, during 

 the summer of 1880. Appendix A to a Report of the Commissioner 

 of Fisheries of Maryland, Jan., 1881, Hagerstown, 1881, pp. 1-64. 

 Discusses the anatomy and food of the oyster (Ostrea virg'miand) 

 and the fauna of oyster beds. 



Notes on the breeding, food and green color of the 



oyster. Trans, of the Amer. Fish-cult. Assoc, 11th Annual Meet- 

 ing, N. Y., 1882, pp. 57-79. 



Notes on the breeding, food and cause of green color of 



the oyster. Forest and Stream, N. Y., May 25, 1882 and June 1, 

 1882, Vol. XVIII, pp. 331-332, and pp. 349-351. 



A contribution to the life-history of the oyster {Ostrea 



virginiana Gmelin, and 0. edulis Linn,). The Fisheries and Fish- 

 ery Industries of the U. S., Washington, 1884, sec. 1, pp. 711-758. 



Schenkling-Prevot. Beitriige zur Tiefseeforschung. Zool. 

 Garten, 36 Jhg., No. 6, p. 162. Abbildungen aus Chun und aus 

 Marshall. 



Schmidtlein, R. Yergleicheude Uebersicht iiber das Erscheinen 

 grosserer pelagischer Thiere wiihrend der Jahre 1875-1877. Mit- 

 theil. der Zool. Station, Neapel, Bd. I, p. 119, 1879. * 



Shimkewitsch, Wl. La fauna de la mer blanc et les travaux 

 de la station biologique russe de Solovetzky. Avec 2 incis. in Re- 

 vue Scientifique. T. 3, No. 23, p. 705. 



Seligo, a. Hydrobiologische Untersuchungen, I. Schriften d. 

 naturf. Ges. Danzig, n. F., Bd. VII, p. 43-89, 1890. 



SiMROTH, H. Neue pelagische Schneckenlarven und Muscheln 

 von der deutschen Planktonfahrt. Sitzgsber. Nat. Ges. Leipzig, 

 19-21, Jhg., p. 8-10,42-3. 



Smith, Frank. -List of the Protozoa and Mollusca observed in 

 Lake St. Clair in the summer of 1893. Bull, of the Michigan Fish 

 Commission, No. 4, 1894, Appendix 1, pp. 42-44. 



SoRBY, H. C. Description of methods for collecting and estimat- 

 ing the number of small animals in sea water. Report, 65 Meet. 

 Brit. Assoc, Ipswich, 1895, p. 730. 



Spangler, a. M. The Decrease of Food-Fishes in American 

 Waters and Some of the Causes. Bull. U. S. Fish Com. for 1893, 

 V. XIII, p. 21-35. 



Sullivan, W. K. Composition of the Soils of Oyster Grounds. 

 Appendix to Report of the Commissioners Ayjpointed to Inquire into 

 the Methods of Oyster Culture in the United Kingdom and France, 

 with a View to the Introduction of Improved Methods of Cultivation 

 of Oysters into Ireland. Dublin, 1870, pp. 166-176. 



SusTA, J. Die Ernahrung des Karpfen und seiner Teichgenossen. 

 Stettin, 252 pp., 2 Taff., 1888. 



Tanner, Z. L. On the Appliances for Collecting Pelagic Or- 

 ganisms, with Special Reference to those Employed by the U. S. 



