CONTENTS 



{All Rights reserved) 



Francis Galton (Portrait) Frontispiece 



I. On the Laws of Inheritance in Man. I. Inheritance of Physical 

 Characters. (With 9 Figures.) By Karl Pearson, F.R.S., and 

 Alice Lee, D.Sc . 357 



II. Variation in Ophiocoma Nigra 0. F. Mi-LLER. (With 10 Figures.) 



By D. C. MciNTOSH, M.A., F.R.S.E 463 



III. Tables of Powers of Natural Numbers and of the Sums of Powers of 



the Natural Numbers from 1— lÖO. By W. Palin Elderton . 474 



IV. Assortative Mating in Man. A Cooperative Study .... 481 



Miscellanea. (I) Inheritance in PJuxseolus vulgaris. By W. F. R. W. 



and K. P 499 



(II) Addendum to " Graduatiou and Analysis of a Sickness 



Table." By W. Palin Elderton .... .503 

 (III) Craniological Notes : , 



(iv) Homogencity and Heterogeneity in Crania. By 



Charles S. Myers 504 



Reraarks on Dr Myers' Note. By K. Pearson 506 

 (v) On Cranial Types. By Professor AuREL von 



TöRöK 508 



Remarks on Professor von Török's Note. By 

 K. Pearson 509 



Biometrilca will appear about four times a year. A volume containing 

 about 400 pages, with plates and tables, will be issued annuaily. 



Papers for publication should be sent to Professor W. F. R. Weldon, 

 Merton Lea, Oxford, to Professor Karl Pearson, 7| Well Road, Hampstead, 

 London, or to Profe.ssc^r C. B. Davenport, University of Chicago, Illinois, U.S. 

 It is very desirable that a copy of all measurements made, not necessarily 

 for publication, should accompany each paper. In all cases the papers themselves 

 should contain not only the calcuhited constants, but the distributions from 

 which they have becn deduced. 



Papers will be accepted in German, French or Italian. In the first 

 caae the manuscript shouH be in Roman not German characters. 



Contributors reccive 25 copics of thcir papers free. Twenty-five or fifty 

 additional copies niay be had on paymcnt of 3/6 or 6/- respectively per sheet of 

 eight pages: these should be ordered wlien the final pmof is returned. 



All Communications, other tlian those relating to contributions, should 

 be addressed to the University Press, Cambridge. 



The .snbscription price, payahlc in advance, is 30s. net pur volume (post free); 

 singio numbors 10s. net. Volumes I and II (1902 — 3) c<)uipleti% 30s. net per 

 volume. Bouud in Buckram 34/6 Mt per volume. Subscriptions may be sent 

 to Messrs C J. Clay & Sons, Cambridge University Press Warehouse, Ave Maria 

 Lane, London, either direct or thrjugh any bookseller. 



