450 
Notices ami Bibliography 
(63) Prout, L. B. Xanthorrho'e ferrugata (Clerck) and the Mendelian hypothesis. Trans. 
Entom. Soc. London, 1906, pp. 525—531. 1907. 
(64) PuNNETT, R. C. Mendelism in Relation to Disease. Proc. Roy. Soc. of Med., March, 1908, 
pp. 1—27. 
(65) Reitsma, J. F. Correlatieve Variabiliteit bij Planten. Inaug. Diss. Amsterdam, pp. 98. 
1907. 
(66) RiTTER, G. Beitrage zur Physiologic des Flachenwachstums der Pflanzen. Beihefte z. 
Botan. Centrlbl., Bd. xxii, 2 Abth., Heft 3, pp. 317—329. 1907. 
Contributes new statistical data on leaf size. 
(67) RiTTER, W. F. and Bailey, S. E. On the Weight of developing Eggs. Univ. of California 
Publ. Zoology, Vol. vi, pp. 1—10. 
The eggs of Fundulus parvipinnis were found to diminish steadily in weight 
during early development. 
(68) RoHRER, F. Eine neue Formel zur Bestimmung der Korperfiille. Korresp.-Bl. d. Deutsch. 
Ges. f. Anthr., Bd. xxxix, pp. 5—7. 1908. 
(69) RuTHVEN, A. G. Variations and Genetic Relationships of the Garter-Snakes. U. S. 
National Museum, Bulletin No. 61, pp. xii + 201. 1908. 
An extensive and detailed study of geographical variation. 
(70) Sakurai. Der Unterschied in der Geburtsdauer der japanischen und europaischen Frauen_ 
Alte u. neue Gynaekol... Franz Ritter v. Winckel..., Mlinchen, pp. 151 — 154. 1907. 
(71) ScHEEii, C. (Measurement of Blood Vessels and Ateriosclerosis.) Norsk Magazin for 
Laegevidenskabeu, Vol. lxviii. No. 6. June 1907. 
Has measured the diameter and length of the aorta and pulmonary arteries in 
500 cadavers. Finds increase in diameter and in length with increasing age. 
(72) ScHOUTEN, A. R. Mutabiliteit en Variabiliteit. Diss. Amsterdam, pp. xii-t-193. 1908. 
(73) Shull, G. H. a New Mendelian Ratio and Several Types of Latency. Amer. Nat., 
Vol. XLii, pp. 433—451. 1908. 
Discussion of bean hybrids. The new ratio is 18 : 18 : 6 : 6 : 16. 
(74) Smith, L. H. Ten Generations of Corn Breeding. Illinois Agr. Expt. Stat., Bulletin 
No. 128, pp. 457—575. 1908. 
Gives the detailed records of ten years of pedigree-breeding of corn. A remark- 
able demonstration of the effect of selection of ' fluctuating ' variations. 
(75) Stephanie. Prophylaxe des Wachsthums und Methode der Korpermessung. 2 fig. 
Charlottenburg, 1907. 19 pp. 
Reprinted from Das Schulzimmer. 
(76) Stevens, N. M. Colour Inheritance and Sex Inheritance in Certain Aphids. Science, 
N. S., Vol. xxvi, pp. 216—218. 1907. 
(77) Tropea, C. La variazione della Bellis perennis L. in rapporto alle sue condizioni d' esis- 
tenza. Malpighia, Vol. xxi, pp. 276—283. 1908. 
A study of seasonal variation. 10954 heads examined. 
(78) TuTTLE, L. The Relation between the Weight and Age in the Fetus. Jour. Amer. Med. 
Assoc., Vol. LI, pp. 919, 920. 1908. 
W = 100 (m — 2)72, where W= weight of fetus in grams, and m=age in months. 
(79) Urban, F. M. On the Method of just Perceptible Differences. Psychol. Rev., Vol. xiv, 
pp. 244—253. 1907. 
A brief summary of certain portions of the memoir listed next below. 
