1014 E General Notes. [Nov 
RECENT BOOKS AND PAMPHLETS. 
Weismann, A.—Ueber die Zahl der Richtungskörper und über ihre Bedeutung fir 
die Vererbung. Jena, 1887. From the author. ne 
De Man, F. G.—Uebersicht der indo-pacifischen Arten der Gattung Sesarma, Say. q 
Ext. Zool. Jahrb., 1887.. From the author. i 
——Bulletins U. S. Geol. Survey, Nos. 34-39. From the Survey. i 
Shufeldt, R. W.—Contributions to the Comparative Craniology of the North Amet- a 
' ican Indians. Ext. Jour. Anat. and Phys., 1887. From the author. dl 
Farlow, W. G.—The Task of American Botanists. Ext. Pop. Sci. Mo, 188). 
From the author. 4 
Beddard, F. E.—Note on a New Type of Compound Eye. Ext. Ann. and Mag. 
N. H., 1887. From the author. 7 
GENERAL NOTES. 
GEOLOGY AND PALAONTOLOGY. i 
` Zittelľ’s Manual of Palzeontology.'—Professor Zittel’s Manual 4 
of Palzontology has now passed beyond the Invertebrata, and it 
the present part it enters the Vertebrata. This work appears 0 
me to be the best synoptical manual of the subject which has 
yet appeared. Its scope is more comprehensive than that of most 
works of the kind, and its contents are more nearly brought up : 
to the present date. In illustration it is especially 
r as the end of 
Ganoids, which 3 A 
ba y : ucture : 
on. A great deal of information as to the str ation which 
buch der Palzontologie. Herausg. v. K. A. : 
Miinchen, mitwirkung von Dr. A. te ag I. Abtheilung Pi T 
i Lief. München u, Leipzig: R. Oldenbourg. 8vo. 
