CONTENTS OF VOL. IV. vil 
ming Birds of the Equatorial Regions, p. 495. Embryology of Limulus 
Polyphemus (with cuts), p. 498. On the Relations of the Orders of Mam- 
mals, p. 502. The Structural Characteristics of the Cranium in the Lower 
ee orate On cuts), p. 505. On three new generic forms of Brachio- 
ndo 
Caudal Styles of Insects Sense Organs, i. e. Abdominal Antenne, p. 620. 
A Remarkable Myriapod, p. 621. How to Mount Spiders for Cabinets, p. 
622. The Toucan’s Beak, p. 622. Physella not a Fresh-water Shell, p. 
623. On the Young of Orthagoriscus Mola (with cuts), p. 629. Ab- 
dominal Sense-organs in a Fly, p. 690. Note on the Existence of trans- 
riis striated muscular pide in Acmea, p. 691. Cedar Bird with 
WwW xou s on the Tail, p. 692. Habits of the Red-headed Wood- 
poii, p. 6 American Pihlak, p. 692. Notes on some of the Coast 
Fi shes of old. p.693. Morphology and Ancestry of the King Crabs, 
760. 
Callidryas konp p. Mephitis bicolor, p. 761. Woodcock and 
es, p. Tu Sia seule p. 762. Spike-horned Bucks, p. 762. 
Deer's die p. 768. Singular Manners and Customs of the Hornbills 
during the Breeding Season, p. 
GEOLOGY. — Further bg ris of the Affinity between the Dinosaurian 
dde and Birds, p. Fossil Horse in Missouri, p. 60. Sudden Dry- 
ing up of Streams in "Made p. 61. Quaternary deposits in Missouri, 
. 61. New Mosasauroid Reptiles, p. 62. Scolithus a gaa p. 62. 
Discovery of a huge Whale in North Carolina, p. 128 he Geology of 
Brazil, p. 128. Professor Ward’s Museum, p. 128. Now Ree Remains 
from ii the "Curboniférüus and Devonian Rocks of Canada, p. 190. Gigantic 
Fossil Serpent from New Jersey, p. 254. Geological Survey of Iowa, p. 
17 
New Fossil Turkey, p. 317. Geological WB" ge te p. 878. S- 
toration of the WA cesis 379. Ancient Reptiles of the Connecticut 
Valley, p. 444. The Rate of GieologicHt Change, p. 444. Notes on some 
Post Tertiary Sgen in Michigan, The Supposed Elevation 
and Depression of the Continent during the Glacial Period, p. 508. Gla- 
ciers in Paleozoic Times, Recent and Fossil Copal, p. 560. - 
and Chemung Groups, pp. 563, 639. Nostder-éradus in Berkshire County, 
Mass., p. 565. On the Evidence of a Glacial Epoch at the Equator, p 
! The C NN of Washington Territory, p. 567. The Great Salt 
Marsh of Silver Peak, Southern Nevada, p. 567 e g- 
raphy of the White Mountains, p. 567. ew Species of Trilobite from 
New Jersey, p. 568 rgence of a portion of the h American 
8. 
Continent since the Drift Period, p. 568. Black Iron Sand, p.569. The 
Stratigraphy and Surface Geology of North Carolina, p. 570. The 
