BIBLIOGRAPHY. 101 



SAUNDERS, E. R., '97. On a Discontinuous Variation Occur- 

 ring in Biscutella laevigata. Proc. Roy. Soc., LXII, 

 11-26. 



SCHROTER, C., and P. VOGLER, '01. Variationsstatistische 

 Untersuchungen iiber Fragilaria crotonensis (Edw.) 

 Kitton im Plankton des Ziirichsees in den Jahren 1896- 

 1901. Vieteljahrsschrift der Naturf. Gesellsch. Zurich, 

 XL VI, 185-206. 



SCHUSTER, E. H. J., '03. Variation in "Eupagurus pri- 

 deauxi" (Heller). Biom., II, 191-210, Feb. 



SHEPPARD, W. F., '98. On the Application of the Theory 

 of Error to Cases of Normal Distribution and Normal 

 Correlation. Phil. Trans., A. CXCII, 101-167, Dec. 

 15. 



SHEPPARD, W. F., '98 b . On the Calculation of the Most 

 Probable Values of the Frequency-constants for Data 

 arranged according to Equidistant Divisions of a Scale. 

 Proc. London Mathematical Soc., XXIX, 353-380, 

 March 10. 



SHEPPARD, W. F., '03. New Tables of the Probability Inte- 

 gral. Biom., II, 174-190, Feb. 



SHULL, G. H., '02. A Quantitative Study of Variation in 

 the Bracts, Rays, and Disk Florets of Aster shortii 

 Hook. A. novae-angleae L., A. puniceus L., and A. 

 prenanthoides Muhl., from Yellow Springs, Ohio. 

 Amer. Nat., XXXVI, 111-152. 



SIMPSON, J. Y., '02. The Relation of Binary Fission to 

 Variation. Biom., I, 400-404, Aug. 



SMALLWOOD, MABEL E., '03. The Beach Flea: Talorchestia 

 longicornis. Cold Spring Harbor Monographs, I, 27 pp., 

 3 pis. 



SMITH, GEOFFREY, '03. Actinosphserium eichorni. A Bio- 

 metrical Study in the Mass Relations of Nucleus and 

 Cytoplasm. Biom., II, 241-254, June. 



STRONG, R. M., '01. A Quantitative Study of Variation in 

 the Smaller North- American Shrikes. Amer. Nat., 

 XXXV, 271-298, April. 



THOMPSON, H., '94. On Correlations of Certain External 

 Parts of Palcemon serratus. Proc. Roy. Soc. London, 

 LV, 234-240. 



