CONTENTS. xi 



Variety. — Sasonite, 8G-9i. 



Iowa Co., Iowa, 86-88. Origin of the choiulritic structure, 80, 87. Occurrence 

 of a base iu nicteorites, 87. Dhurmsala, India, 88. Knyabiuj-a, Hungary, 88-91 ; 

 organic remains in, 89. The constitution of meteorites sucli that they could not 

 have existed in conditions suitable for life, 91. Choudritic structure, 91. 

 Gnadcnfrei, Silesia, 91, 92. Oopalpur, India, 92 ; feldspar in it doubtful, 92. 

 Butsura, India, 92, 93. Lance, France, 93. Touriuues-la-Grosse, Belgium, 93. 

 Waconda, Kansas, 93, 94. Goalpara, India, 94. 



Variety. — Lherzolite, 94-101. 



Pultusk, Poland, 94, 9.5. New Concord, Ohio, 9.5, 96. Mocs, Transylvania, 

 96. Zsadiiny, Banat, 96, 97. Estherville, Iowa, 97-101. Iron globules in, 97, 

 98. Peckhamitc, 99, 101. Medxier'.s theory of the origin of the Estherville 

 meteorite, 99, 100; objections thereto, 100. Variations in structure of this 

 meteorite, 100, 10 1. 



Variety-. — Buchnerite, 101, 102. 



Tieschitz, Moravia, 101, 102. Peculiar character of its chondri, 101. Hungen, 

 Germany, 102. Grosuaja, Caucasus, 102. Alfianello, Italy, 102. 



Miscellaneous, 103-105. 



Bavarian Jleteorites : Manerkirschen, Eichstadt, Sclionenberg, and Krilhen- 

 berg, 103. CabaiTas Co,'North Carolina, 103, 104. Mezo-Madaras, Transyl- 

 vania, 104. Alessandria, Piedmont, 104. Kenazzo, Italy, 104; special study 

 should be made of this form, 104. Linn Co., Iowa, 104. Ausson, France, 104. 

 Nanjemoy, Maryland, 104. Drake Creek, Tennessee, 104. L'Aigle, France, 105. 

 Weston, Connecticut, 105. Chateau Renard, France, 105. Hessle, Sweden, 105. 

 Nobleboro', Maine, 105. 



Variety. — Tufa, 105, lOG. 



Orviuio, Italy, 105, 106. Chantonnay, France, 106. 



SECTION III. 



The Meteorites. — Their Origin and Char.vcter 106-118 



Maskelyne's teachings, lOG, 107. Sorby's views, 107, 108. Forbes's micro- 

 scopic observations, 108. Meunier's theory and Forbes's criticism of it, 108, 109. 

 Tschermak's idea of the tnfaceous character of meteorites, and their eruptive 

 origin, 109, 110. Objections to the preceding views, 110-112. The Chondritic 

 Structure limited to a certain chemical and mineralogical type of meteorites, 110. 

 Continuity of the Chondri and Matrix, 110, 111. Structure of meteorites rarely 

 fragmental, 111, 112. Chondritic Structure produced by rapid crystallization, 

 111. Enclosures in meteorites, 111, 112. Meteorites derived from liquid, not 

 solid material, 112, 113. The Sun, or some similar body, their most probable 

 source, 112. Community of elements iu the Sun and Meteorites, 112. Possi- 

 bilities of Meteorites being thrown from the Sun, 113. Probable liquid condition 

 of the Sun, 113. Meteoric constitution of some astronomical objects, 113. The 

 theory that Meteorites are thrown from the Sun is old, 113, 114. Abundance of 

 Metallic Meteorites in i)ast times, 114. ^Meteorites not thrown from the Moon, 

 114 ; and not from the Karth iu past times, 114. Need of further careful study 



