r)7() 



Index. 



.Uienioiii'lla, i6 



Aiiethrum, 53 



Angelica, 53 



Auisodactylus verticalis, 267, 275 



AnonaceK, 19 



Aiiseres, 161, 248, 295, 296, 297, 299, 



300, 301, 311, 312, 313, 323 

 Anseriformes, 161, 296, 297 

 Antennaria, 65 

 Anthaxia cyanella, 271 

 Anthemis, 68 

 Anthicidre, 274, 292 

 Anthicus, 274, 292 



scabricus, 274, 292 

 Anthonomus nigrinus, 274, 293 



rufipennis, 274, 293 

 Anthoxanthum, 118 

 Anthrenus pimpinella, 270, 286 



scrophularioe, 270, 286 

 Anthribidre, 274, 294 

 Anthribulus rotundatus, 274, 294 

 Anychia, 30 



Aphodius rubeolus, 272, 289 

 Aphonus castaneus, 272, 289 

 Aphyllon, 85 



Apion attenuatum, 274, 293 

 Apios, 41 

 Aplectrum, 104 

 ApocynaceK, 77 

 Apocynum, 77 

 Aquilegia, 18 

 Ara, 405, 407, 409 



militarius, 407 

 Arabis, 22 

 Aracete, 1 1 1 

 Aralia, 55 

 Araliacea;, 55 

 Aramus, 190 

 Archseornithes, 1 61 

 Arctium, 70 



Ardea, 159, 162, 168, 172, 177, iSo, 

 186, 189, 195, 196, 204, 2IO, 211, 

 212, 213, 214, 215, 305,323 



caiididissima, 165, 168, 176, 177, 

 181, 186, 187, 189, 195, 196, 201, 

 202, 205, 207, 209 



cinerea, 173, 179 



coerulea, 214, 215 



egi-etta, 168 



garzetta, 169 



herodias, 162, 163, 164, 166, 167, 

 168, 169, 172, 173, 174, 175, 177, 

 178, 179, 180, 181, 182, 183, 185, 

 186, 187, 188, 189, 190, 191, 192, 

 195) 196, 197, 199, 200, 201, 202, 

 205, 207, 209 



occidental is, 168 



virescens, 168, 211, 213, 214, 215 

 Ardeidas, 159, 160, 161, 248, 249 



Ardeilormes, 297 



Ardeinas, 177, 178, 188, 189, 191, 194' 



201, 202, 204, 210, 212 

 Ardeince, Osteological Studies of the Sub- 

 family, 162, 189 

 Ardistomis puncticollis, 267 

 Ardeoideie, 161 

 Ardetta, 159 



exilis, 159, 213, 215 



neoxena, 159 

 Ardinaj, 170 

 Arenaria, 29 

 Argemone, 21 

 Arinte, 402, 403 



Arianops amblyoponica, 269, 283 

 Arion hortensis, 252 

 Arisiiema, in 

 Aristolochia, 95 

 Aristolochiace;Te, 95 

 Aromochelys, 155 

 Aronia, 48 

 Artemisia, 69 

 Artiodactyla, 131 

 Arum Family, 1 1 1 

 Aruncus, 44 

 Arrhenatherum, 119 

 Asarum, 95 

 Asclepiadaceas, 77 

 Asclepias, 77 

 Ascydmus tener, 268, 279 

 Ashe, W. W., Some New Pennsylvanian 



Thorns, 387-398 

 Asimina, 19 

 Asparagus, 108 

 Aspidiiim, 124 



Aspidoglossa subangulata, 267, 275 

 Aspidonectes, 154 

 Asplenium, 124 

 Asprella, 123 

 Astacus, p. 8 et seq. 

 Aster, 62 

 Aster, 64 

 Astragalus, 40 

 Athous posticus, 271, 287 

 Athyrium, 124 



Atkinson, D. A., The Reptiles of Alle- 

 gheny County, Pennsylvania, 145 

 Atlantosaurus beds, 330 

 Atragene, 16 

 Atriplex, 93 

 Attalus circumscriptus, 272 



morulus, 272 

 Aulonium, 270, 285 

 Avena, 120 



Aythya vallisneria, 299, 312 

 Azalea, 75 



Babia, var. pulla, 273, 291 

 Balfenicipida;, 160, 161, 248 



