The American Naturalist. 
by Congress for the I 
Anatidje, 872. 
Anatomy of Polyxenus, 1097. 
Anatomy of Protopterus, 57. 
Anchifherium westoni, Mar. 153. 
Ancient Mounds at Floyd, Iowa, Web- 
Ancylopoda, 658, 875, 876. 
Ancylotherium, 058. 
Andalusia, Geology of, 626. 
Andalusite, 1093, Mar, 159. 
Andesites, Mar. 155. 
Andes Mts. in Colombia, Mar. 156. 
Anelytropidae, 868. 
Anemone cylindrica Gr, with Involu- 
Aragonite, 528. 
Arboreal Tadpoles, 383. 
Arbor Day Literature, 54. 
Arctictidae, 8' 
Arctocyonidae 
Angiostomata, 861 
Anguid*, 867. 
Anguillidae, 858. 
>t-Zambesi-Congo Region, 634. 
ina, 852, 853. 
nopyrite, 1008. 
Animal Coloring Matter, 1014, 
Animalivora, 876. 
Annelids, 950. 
Annual Meeting of Biological Society of 
Washington, Feb. 189. 
The Indiana Academy of Scii 
Anolidae, 867. 
Anomalodesmacea, 1097. 
Anomodontia, 865, 866. 
Anoplotheriidse, 877. 
Articulata, Feb. 153. 
Artiodactyla, Mar. 11, 877. 
Arvicola pallidus, Merriam, i 
Asa Gray, Scientific Papers ■ 
Asaphu3, 1087. 
Ascension Island, 440. 
Ascidiie, 851. 
Ascothoracida, 825. 
. Central, 617. 
Anthopophylite. 1092. 
Anthropometry, Mar. 178. 
Asterophydid*. 862. 
Aster shorlii, 52. 
as applied to the determinati 
Ateleneura spuria, 1109. 
Atemeles marginatm, 1101. 
the attributes or powers o 
the 
mmd of man, 614. 
paradoxus, 1101. 
Anthroporaorpha, 876. 
Antiarcha. 853. 
A.h^S'wt'"'"- 
Antidorcas. Mar. 126. 
Antilocapra, Mar. 125, 127. 
americana, Mar. 135. 
Athorybia, 600. 
californica, 392. 
Anura, 861, 862. 
Atractaspidie, 869. 
Anuual. caudatus, 437. 
Atrichornithid*, 873. 
Apatite, 812, 908, 1007. 
Athyris, 985. 
Atrypa, 987. 
^^^ Mines, Feb. 169.^^^^ 
Aphis LidilVxoT' 
chystrix, 236. 
Apophylite, 528. 
Athyruisubtilita, Feb. 112. 
teSr-H^T^p*''^"''''- 
Appendicularudse, 851. 
Feb. 166. 
