THE 
AMERICAN 
- NATURALIS 
A MONTHLY JOURNAI 
A DEVOTED TO THE NATURAL SIENCES 
Bere IN THEIR WIDEST SENSE 
| 
| 
| 
MANAGING EDITORS: 
Prors. E. D. COPE, Philadelphia, AND J. S, X ah , Bostoft d 
ASSOCIATE EDITORS: "A l 
Dr. C. O. WHITMAN, Chitago ea te: E. BESSEY, Lincoln, Neb‘, H, t. Ng "- Philadelphia. rs 
Pror.-C. M. WEED, Darian: N. H; Fe W.S: BAYLEY, Wa ierville; Male, Puér. E. A. A? FOREN Baltimore, " 
ae W. H. HOBBS, Midija Wis. : 
Vol. XXVIII. OCTOBER, 1894. No. 334 
CONTENTS. 
! PAGE: AG AGE. 
THE CLASSIFICATION OF SNAKES, WE Sei red —New Sulphosinnate from Bolivia —Allanite Pa! 
z- D. Cope. 831 | from FranklinFurnace—Miscellaneo 870 
Limits OF BIOLOGICAL EXPERIMENT Geology a oou Origin of the Tril- 
Dr. Manly Miles. 845 | obites—Some Nw Red Horizons—The Gosau . 
- ABALONE OR deae ur SHELLS OF THE CALIFOR , Beds in the Ausian Salzkammer rga t~ Geology 
NIAN COA Mrs. M. Burton W illias. 849 | of the Rocky 3 juntains, between the Saskat- 
THE peores OF LR GARE PARS. F aire iei edlovical ic E yd ea 
SU. M. Prou peu A pue Mesozo y 
- REcENT BOOKS AND PAMPHLETS. . 
. RECENT LITERATURE—The. Col ado: Y'obtiutión f reat Lakes 
ur Native irds of Song and Beauty— \sippi River býta Chi 
Cartailhac’s Prehistoric France—Report of ^ |. 7 —Parthnogenesis among the Acari 
US. _ National Museum es eg girone on” | of ahere aoar ehas in the Delaware 
Ceo Tert inry Artiodaptyls : . 865 | Drainage—The lemoral- Gland of Ornithor- - 
GeneraL Nores. ^ | hynchus and ItSecretions—Change of Color 
pm —Crystallization of Enargite— | in the Northern Tare—Zoological News. . 
. Crystallization of Scolecite and Meta. scolecite YER ntomology —Nrth American Ceutop Hie. 
- —Crystallization of Herderite—Co ompositio |! The Plume Moth--Ne w Use bo. Bisulpl ee 
. and Related Physical Properties of Paes | Carbon—Mimierin Diptera Lees j 
"Composition of Chondrodite, Humite and j New Pelecinus frm Ten nessee—Fli tof e 
^ i tO eee hele Dues New pets e f 
© Variscite Utah — Utilization ‘of Auer- 
bach Calcite E Nicols — Cry sta talli =a of “Palo ong Th Habit of Amusement in the é 
illemite — ition of Staurolite an 7 
. Arrang i Berri chui Oed inde Ss Aretoan ang lp ch Brinton c on the 902 
tion of ^ apa à in i un p amet Ea. yw M 
id Enclosures in Sicilian Gypsum. udi — NCC Ero ARE Sa 906. 
518 anp 520 MINOR STREETS us 
FOREIGN AGENTS: 
WILLIAM WESLEY ar 
