Notices and Bihlloijraphy 
449 
(50) Lapicque, L. Tableau general des poids somatique et eucephalique dans les espfeces animales. 
Bull, et mem. Soc. d'Anthropol. de Paris, 5 Ser., T. viii, pp. 248—270. 1907. 
(51) . Le poids eucephalique en fouction du poids corporel entre individus d'une meme 
espfece. Ihid., T. viii, pp. 313—345. 1907. 
(52) LuTZ, r. E. The Variation and Correlation of Certain Taxonomic Characters of Gryllus. 
A dissertation for the degree of Doctor of Philosophy, Ogden Graduate School of 
Science, University of Chicago. Chicago, 1908. Pp. 63. 
"'Species' within this genus is a question of fluctuating variability, and only 
in one organ, conspicuous but relatively unimportant, do we find a clear case of 
mutation." 
(53) . The Inheritance of the Manner of Clasping the Hands. Amer. Nat., Vol. xlii, 
pp. 195, 196. 1908. 
Data fi'om about 600 families indicating that there is a distinct inheritance of 
the tendency always to clasp the hands with cither the right or the left thumb upper- 
most. The inheritance is not Mendeliau. There is no assortative mating with 
regard to this character. 
(54) Lynch, F. W. Hour of Birth. A Discussion of the Hour at which Birth most often 
Occurs. Surgery, Gynaecology^ and Obstetrics, Chicago, December, 1907. 
An analysis of the hour of birth in 1508 full term spontaneous labours at the 
Johns Hopkins Hospital. Births pretty evenly distributed over the 24 hours; only 
4 per cent, more between the hours of 7 p.m. and 7 a.m. than in the other 12 hours. 
(55) MacDougal, D. T., Vail, A. M., and Shull, G. H. Mutations, Variations and Relation- 
ships of the Oenotheras. Carnegie Instit. of Washington, Publ. 81. 1907. 
A continuation of previous work. The biometrical portion is contributed by 
Shull. 
(56) MacLeod, J. and Burvenich, J. V. Over den invloed der levensvoorwaarden op het 
aantal randbloemen bij Chrysanthemum carinatum en over de ti'appen der verander- 
lijkheid. Bot. Jaarb. Dodonea, Vol. xiii, pp. 70 — 170. 1907. 
(57) Manton, W. H. The Relation of the Weight of the Placenta to the Weight of the New- 
born Child. Buffalo Med. Jour., May 1908. 
Weight of child : weight of placenta : : 6 : 1. Based on 400 normal cases taken 
from hospital records. 
(58) McCbacken, L Occurrence of a Sport in Melasoma {Lino) scripta and its Behaviour in 
Heredity. Jour. Exper. Zool., Vol. iv, pp. 221—238. 
(59) Pearl, M. D. and Pearl, R. On the Relation of Race Crossing to the Sex Ratio. Biol. 
Bulletin, Vol. xv, pp. 194—205. 1908. 
Shows that in Buenos Ayres statistics there is a preponderance of males in the 
offspring of racially crossed as compared with racially pure matings. 
(60) Pearl, R. and Surface, F. M. Appliances and Methods for Pedigree Poultry Breeding. 
Maine Agr. Expt. Stat., Bulletin No. 159, pp. 239—274. 1908. 
Describes inter alia a method of keeping pedigree records adapted to breeding 
operations on a large scale. 
(61) Popper, J. Ueber den Zusammenhang zwischen Genie und Korpergrosse. Polit.- 
anthrop. Rev., Bd. vi, pp. 485—492. 1907. 
(62) Prinzing. Beziehungen zwischen sozialer Lage und Sterblichkeit an Krebs und Schwind- 
sucht. Zeitschr. f. soziale Med., Bd. ii, Heft 4. 
Biometrika vi 57 
