888 
SCIENTIFIC JOURNALS. 
The American Naturalist, November.—‘Cepha- 
lic Homologies. A contribution to the deter- 
mination of the ancestry of vertebrates,’ 
CHARLES SEDGWIcK Minor; Advocates the 
following phylogeny : 
Annelida—Protochorda 
| 
Atriozoa 
| 
| 
Vertebrata 
| 
Amphioxus 
| | 
Appendicularia Tunicata 
‘The Limits of Organic Selection,’ HENRY 
FAIRFIELD OSBORN: Opening a discussion at 
Detroit already reported in ScrENcE. ‘The 
Geological Congress in Russia,’ CHARLES PA- 
LACHE. ‘Some Unwritten History of the Na- 
ples Zoological Station :’ An account of an 
address given by Dr. Anton Dohrn, at Woods 
Holl, on October 10th. ‘Wind River and 
Bridger Beds in the Huerfano Lake Basin,’ 
HENRY FAIRFIELD OsBoRN. ‘ Peculiar Zonal 
Formations of the Great Plains,’ FREDERIC E. 
CLEMENTS. ‘The Cricket as a Thermometer,’ 
A. E. DOLBEAR. 
The Astrophysical Journal, November.—‘ The 
Importance of Astrophysical Research and the 
Relation of Astrophysics to other Physical 
Sciences,’ JAMES E. KEELER. ‘ Aspects of 
American Astronomy,’ Simon NEwcome. ‘The 
Aim of the Yerkes Observatory,’ GEORGE E. 
HALE: Three addresses given on the occasion 
of the dedication of Yerkes Observatory. ‘Spec- 
troscopic Notes,’ Sir WILLIAM and Lapy 
Huaeins: Discusses the spectra of the stars in 
the trapezium of the Great Nebula of Orion, 
the spectra of the colored components of f Cygni, 
the ultra violet spectra of a Lyre and of Arc- 
turus and on the effect of density on the spec- 
trum of calcium. ‘New Investigations of the 
Spectrum of ? Lyrze,’ A. BELOpoLsKy. ‘ On the 
Constitution of the Red Spectrum of Argon,’ 
J. R. RypBere. ‘Spectra of Bright Southern 
Stars,’ EDWARD C. PICKERING. 
The American Journal of Science, December.— 
‘A Microsclerometer, for determining the 
SCIENCE. 
(N.S. Von. VI. No. 154. 
Hardness of Minerals,’ T. A. JAGGAR, Jr.: De- 
scriptions with illustration of the author’s instru- 
ment. ‘Recent Observations on European 
Dinosaurs,’ O. C. Marsa: Communication 
made to the National Academy of Sciences, 
noticed in the last issue of this JOURNAL. 
‘Sapphires from Montana, with special refer- 
ence to those from Yogo Gulch in Fergus 
county,’ G. F. Kunz. ‘Corundum-bearing 
Rock from Yogo Gulch, Montana,’ L. V. Pirs- 
son. ‘Crystallography of the Montana Sap- 
phires,’ J. H. Prarr: Thes2 three papers dis- 
cuss the sapphires from Montana and their 
petrological and crystallographic aspects. 
‘Electrical Measurement by Alternating Cur- 
rents,’ H. A. RowLAND: Describes numerous 
new methods for measuring capacities, induc- 
tances and resistances. ‘The Alleged Jurassic 
of Texas. A Reply to Professor Jules Marcou,’ 
R. T. HI. 
NEW BOOKS. 
La culture des mers en Europe. GEORGES 
Rocut. Paris, Félix Alcan. 1898. Pp. 
828. 6 fr. 
Physical Problems and their Solutions. A. BouR- 
Gouenon. New York, D. Van Nostrand. 
1897. Pp. iv+222. 
La face de laterre. Ep. Suxss. Translated into 
French by EMMANUEL DE MARGERIE and 
MARCEL BERTRAND. Paris, Armand Colin 
et Cie. Pp. 835. 5 fr. 
The Strength of Materials. MANSFIELD MERRI- 
MAN. New York, John Wiley & Sons. 1897. 
Pp. 124. 
Report of the Commissioner of Education for the 
year 1895-6. Vol. 2. Washington, Govern- 
ment Printing Office. 1897. Pp. vii+2173. 
Scientific Aspects of Christian Evidences. G. 
FREDERICK WricHt. New York, D. Ap- 
pleton & Co. 1898. Pp. vii+362. $1.50. 
Erratum: In the article on ‘Primitive Man in the 
Delaware Valley’ by Professor W. H. Holmes, in the 
last issue of SCIENCE, pages 827-8, the two cuts were 
placed over the wrong titles and should be trans- 
ferred. 
