_ $4.00 per Year. $460 per Year (Foreign. 35 ets. per ( 
THE 
! AMERICAN 
+ NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
AGING EDITORS 
Prors. E. D. COPE, akin i AND J. S. KINGSL EY, Boston. 
ASSOCIATE EDITORS: 
Dr. C. O. WHITMAN, Chicago, Dr. C. E. BESS SEY, Lincoln, Neb., . C. MERCER, Sw E 
Pror. C. M. WEED, Durham,.N. H., Pror. W. S. BAYLEY, W atervills, Maine, ud or. E, A. ANDREW 
: PRor. W. H. HOBBS, Madison; Wis. 
Vol, XXVIII. AUGUST, 1894. No. 332 
CONTENES. 
a PAGE. PAGE. 
= "THE ORIGIN OF THE VERTEBRATE SKELETON. Somma—Phonolites a me Black Hills— 
J. i cingsley. 632 | The Origin of Nor Q The 
COLOR-VARIATION OF TOMA CAPRODES = of the e Bioseiferner--Potrographiea 
^ d SW. UR Meiner 641 
NEO-LAMARCKISM AND NEO-DARWINISM, Bot o heal Plant Ovnis ae i 
L. H. Bailey 661 
ORNITHOPHILOUS POLLINATION, (lllustrated.) 
Joseph L. Hancock 679 
EpiroriAts.—The U. S. Geological Survey— 
he Geological Survey of Pennsylvania. . 684 
proaching Meeting of the A. A. A. S—The 
Completion of Coulter’s Texan Flora. . . .7 
Zoology — An Australasian Sub- mco of 
Fresh-water Atherinoid Fishes. . . 708. 
OIT ET Phylogeny —Deter 
mination of Sex. | 
RECENT BooKs AND PAMPHLETS. . . . . . . 687 
Recent LITERATURE — The genus hus — 
Bateson's QUANT of Variation. . . . 690 Psychology —Mutualists. . + + 
GENERAL N Archeology and Ethnology—Ancient American - 
d and Travels —Antarctiec PERE B — The making of New Jersey ; 
ion . 693 | Shell "— in 1780—The nice Collect- NI 
Mineralogy — Friedel' s nid de Mise Me ions. 7 
— —Relation between Atomic Weight and Crys- Microscopy—New Method of PR in& 
tal Angles—Spangolite from Cornwall—Eudi- Mixture of Celloidin and Paraffine—On the ee 3h 
alite from the Kola Peninsula. . - 698 | Fixing of Paraffine Sections to the Slide. . . 720. 
Petrosrapy—The — Blocks of Moute SCIENTIFIC NEWS. . . jl. 3422. j 
MM MIU QUSS UNITA » 
go 
i PHILADELPHIA, U. S. A. : 
THE EDWARDS & DOCKER CO., 
FOREIGN AGENTS: 
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