1891. ] 
Index. 
INDEX. 
Rana catesbiana, 
Repetition of Parts, 
Acrogens, 152. 
Acid Inclusions i in the Volcanic Rocks 
of Auvergne, 138. 
A er ssa Duplication of Urosome 
740. 
53. 
Acquired Variations, 191. 
Additions to the Flora of Staten Island, 
ichmophorus occidentalis, 359, 361. 
998. 
Eluropoda melanoleuca, 9 
thusa ospa, 785. 
Agamodon compressum, 669 
On 
Agave ore 970. 
Aguilari 
Aleohoti Material for oe ast Work 
ystematic Botany, 377. 
Ali ideoda lentus, 604. 
Alamandine , 663. 
emische Mineralogie, 
628. 
e Extinct Mammalia 
rge Settee: 725. 
American Association for the Advance- 
of Science, 1891, 986, 807, 
Geological aeei: 721, 774. 
Minerals 
inera 
Morphol ` Societ ty, 92. 
Ornithologists’ Union, 93, 1039 
Physiological Socie 1 
Society of whi td 
roa of Microscopists, 682. | 
Hemiptera, kaide pigga | 
acces the he Prohist stori onuments of | 
_ Brittany, A. 8. Pac kard, $70. | 
Ameeba, 1076. | 
Amphibian Blastopore, 54, | 
Amphioxus, 59, 4 | 
f 
Ancestors of Our Animals, 900. 
André, Edmond, 853. 
Andrews, E. A., ‘A Commensal Annelid, 
Annual oe of the State Botanist of 
ork, 51. 
Anorthite, a 
nser albifrons, 820. 
Anser condonii, 820. 
Ant us quadrigibbus Say, 168, 169. 
Sahasa. 829. 
ER (a at the Meeting A.A.A.S., 
1891, 929. 
at the Paris let 178. 
Laboratory of, 77. 
cat =t ; the First Abdominal 
of Embryo Insects, 60. 
Appropriation for the Dabei Bosio. 
Aquila chtysaitos,” 821. 
onite, 370. 
rchean News, 738, 822. 
ocks of the Japanese Islands, 368. 
Archeology and hnology, 73, 172, 
887, 499, 587 "eq, 764, 840, 929, 
Arctotherium bonærense Gervais, 997. 
simum Cope, 998. 
Ardea sath dot 820. 
egretta, 820. 
patocciad dentalis, 82. 
Are spn d Variations Inherited? — 
. F. Osborn, 191. 
Are the Arthropods Ancestors of the 
Vertebrates? 61 
ee eed” and ‘“ Mexican Jump- 
= 673. 
ing Bean 
Art and Industry during the goed 
in the Caverns, 
Artodiscus par Penard, 1076. 
Asbestos, 663. 
Ascidian, noi ea of, 670. 
Ascoidea rubese: 
Ashtaroth, Worship of, 592. 
Asphalt, 1127. K 
ion of American a or 
Third Annual Meeting, 92 
Assulina minor, 1078. 
semilunum, 1079. 
Asterias vulgaris, 920. 
TEESE ake 364. 
