iv 3 Contents. 
Remarks on Classification OF Vertebrata > a, Burt G. Wilder ies K 
Sand Boulders in the Drift, or Subaqueous O 
of the Drift, in Central Missouri. Ecce 1: TIP. Dn 
Materials of the Appalachians. _ [Illus ted jon Si W. Claypole . -955 154 
The Progress of Arachnology in Prais heap ete Lucien M. Underwood . 963 
The Perissodactyla. [Illustrated] ........ E: D COPE. ee a 1060 
How the Great Northern Sea-Cow (Rytina) became 
maceropnated = o irs i. cop Geek Pe ss Leonhard Stejneger . . 1047 
mace Hg 
an Biological Instruction, 59; The American Naturalist, 163; Verte- 
brass  Palæontology of the U. S. Geol. Survey, 164; Use of English Names for 
Fungi, 264; Importation of Rabbits nie day au 265; Odium Antitheologi- 
A Universal La i 
i 
cum, 356 Universal L RECS t, 463; Unnatural Hi 
tory, 549; The International Congress oe Geol ts, ; Summer Schools and 
hme aha 747; The Eers can Association at New York, 833 3 The American 
Comm of the International Sy ess of Goloni: 835; The Death of Pro-, 
d 
— Baird, 836; Ea and Duty, 922; The Relations An Mind, to Matter, 
007 ; Whitman’s Journal of Morphelogy, 1 008. 
RECENT LITERATURE. 
Ridgway’s Nomenclature of Colors, 166; Vine’s Physiology of Plants, 266; 
Strasburger and Hillhouse’s Practical Botany, 357; Wortman’s Teeth or Verte- 
olar an 
he U. S. i 
cal Memoirs of the National pE Soi of Science, Vol. IL; 555; Broceetinee of 
the American ees of Lobe ce 645; Fourth aes of 7. peau of Eth- 
nology, 646; Beal’s Grasses of Nort eki 647; Dr. Rink’s Paper on the 
East Greenlanders, 748; Wolle’s Fresh-Water Algæ of the United States, 923; 
Origin of the North American Flora, 1009; Ri idgway’s Manual of Ornithology, 
2; atio am 
Sixth Annual Sep of the U. S. Geological Survey, 1099; Packard’s Fossil 
Arthropods; 1100; Thomas on Mammalian Drai. TIOE; Jordan’s Science 
Sketches, 1103; Pesas Americanæ, I 104. 
GENERAL NOTES. 
ee See — Boe! Beye 61; = — of the Mississippi, 61 ; Moeis 
62; asus, tralia, 62; Formosa, 62; Borneo, 63; Last German | 
Ce Expedition, Ka $ Aira Notes, ee ; The Me Glacier, 360; The Germ ait 
African Association, 361 ; Shania zs Journe ; African Ssa 362; The 
Britain Group, 364; New Eh 365; neth of ian 558; South American 
Exploration, 558; Congo Explorations, 559; African Not , 560; Mantchuria ~ 
and Mongolia, 561; Nias, 561; Afghanistan, 561; Asiatic 1 Notes, 562; Spain, 
562; Length of Rivers, 650; Alaskan Mountains and Gla rs, 650; The Makua 
River, 651; The Saraswati River, 652; Prejevalsky’s Esplorado, 652; Mr. 
Carey's Journey in Asia, 653; — Rivers, America, Africa, Asia, 650. 
Geology and Paleontology. ee EN Forms of Cephalopods, 64; New Jersey 
Cretaceous, 66; Geo Rar News, 68; Notes ng Warping of the Earth’s Crust and 
m Li à ge 
the Niagara River, den eect Palseonts ogical Observation ons on the Taconic Limestones 
H 
‘of Columbia i Cos N. Y., 270; xt Porn Boulders of Decomposition in Mis- __ 
souri, 366; The Dinosaurian Genus Ccelurus, 367 ; Geological News, 369; Ameri- 
can Trisksic Rhyncocephalia, 468; New Tzniodonta of the Puerco, 469; Hill on 
