INDKX. 



Abutilon avicennae 7 :24. 

 Acalypha virginica 7 :75. 

 Acanthaceae 7 :67. 

 AcanthocladiidcTe 2 :78. 

 Acer dasycarpum 7 :27. 



rubrum 7 :27. 



saccharinum 7 :27. 



" var. nigrum 



7:27. 



sp. 5:10. 



spicatum 8-II :3. 

 Achillea millefolium 5:10, 7:52. 

 Acidaspis 1:101. 



ortoni n. sp. 2:90. 

 Acmite i :Ti5. 



Acorus calamus 7 :88, 8-II :5. 

 Actaea alba 7:14. 



spicata var. rubra 7:14. 

 Actinolite i :Ti5. 

 Actinomeris squarrosa 7:51. 

 Adam and Eve 7:81. 

 Adder's-tongue, yellow 7 rSs. 

 Adelphi, O., glacial lake near 



9-1 :23. 

 Adiantum pedatum 7 :99. 

 Aesculus glabra 7 ."27. 

 Aggregates i iTig. 

 Agrimonia eupatoria 7 :34. 



parviflora 7 :34. 

 Agrimony, small flowered 7 :34. 

 Agrostis alba 7 :95. 



" var. vulgaris 7 :95. 

 perennans 7 195. 

 scabra 7:95. 

 Agropyrum repens 7 198. 

 Ailanthus glandulosus 7 :26. 

 Akins. L. E. On the Determination 

 of the Horizontal Com- 

 ponent of the Earth's 

 Magnetic Force 2:111. 

 Albite i:Ti7. 

 Alder. Black 7:26. 



Speckled 7:78. 

 Algae, List of, from Granville, O. 



4:132. 

 Alismaceae 7 :89. 

 Alisma plantago 7 :89. 

 Allium canadense 7 :84. 

 tricoccum 7 :84. 



Allorisma andrcvvsi 4:?!. II. 



consanguinata n. sp. 4:29. 



convexa n. sp. 3:74. 



cooperi n. sp. 3:72. 



costata 2:33, 2:146. 



cuyahoga n. sp. 4:28. 



geinitzii 2:33. 



gilberti 2 ■.2,3- 



hannibalensis 2 :il. 



nobilis 3:71, 4:28. 



spf 2 :P1. I. 



subcuneata 2:34. 



ventricosa 3:73. 



winchelli 3:72. 

 Almanadine garnet i :T2. 

 Alnus incana 7 :78. 

 Alona glacialis 6 :68. 8-1 :5. 



intermedia 6 :68. 



porrecta 6 -.67, 8-1 :5, 



8-II :24. 



quadrangula i :2i7- 



sanguinea i :2,7. 

 Alopecurus geniculatus var. aristu- 



latus 7:95. 

 Althaea officinalis 7 ■.22,, 8-II :3. 



rosea 8-II :3. 

 Aluminum, detection of, in rocks 



1:131- 



Alum-root 7 -.2,6. 



Alveolites expansa, see Ceramopora 



expansa 2 :i69. 

 Amarantaceae 7:71. 

 Amarantus albus 7 :72. 



chlorostachys 7:71. 



retroflexus 7:71. 

 Amaryllidaceae 7 :83. 

 Ambrosia artemisiaefolia 1:31, 7:50. 



trifida 1:31, 7:50. 



" var. integrifolia 7 :50. 

 Amelanchier canadensis 7 :;^6. 



" var. oblong- 



ifolia 7 •.2,6. 

 Ampelopsis quinquefolia 7 :27. 

 Amphicarpaea monoica 7:31. 



pitcheri 7 :3r. 

 Anaphalis margaritacea 7 :49. 

 Anacardiaceae 7 :28. 

 Analcite i :T3. 

 Anatase i :T5. 



(5) 



