EXCHANGES AND PRESENTATIONS. 
100 Kéntaspere  ...*Kénigliche Physikalisch-ékonomische Gesell- 
schaft. 
101 Lerezic (Saxony) *Kénigliche Sichsische Gesellschaft der Wissen- 
schaften. 
102 a ee ...¥Vereins fiir Erdkunde. 
103 LuBEcK ... ...*Naturhistorische Museum. 
104 MarBure... ...*Gesellschaft zur Beforderung der gesammten 
Naturwissenschaften in Marburg. 
105 By ae ...¥University. 
106 Merz ae ...*Vereins fiir Erdkunde zu Metz. 
107 MuLHouUSE ...*Société Industrielle de Mulhouse. 
108 MuncHEN... ...*Koniglich Bayerische Akademie der Wissen- 
schaften in Miinchen. 
109 es ... Société Botanique Bavaroise. 
110 SturreaRT ...*Konigliches Statistisches Landesamt. 
Da es Ss ...*Verein ftir Vaterlindische Naturkunde in 
Wiirttemberg. 
112 s we ...*Wurttembergischer Verein fiir Handelsgeo- 
graphie. 
Great Britain and the Colonies. 
113 BirMINcHAM __...*Birmingham and Midland Institute. 
114 “3 ...*Birmingham Philosophical Society. 
115 Brisrou ... ...* Bristol Naturalists’ Society. 
116 CAMBORNE ...*Mining Association and Institute of Cornwall. 
117 CAMBRIDGE ...*Philosophical Society. 
118 o ... Public Free Library. 
119 a ... Union Society. 
120 55 ... University Library. 
121 Hatirax ... ...¥ Yorkshire Geological and Polytechnic Society. 
122 Kew a ... Royal Gardens. 
123 LEEDS _... ...*Conchological Society. 
124 55 aoe ...*Leeds Philosophical and Literary Society. 
125 5, nae ...*Yorkshire College. 
126 LivERPOOL ...* Literary and Philosophical Society. 
127 Lonpon ..., ...¥Aéronautical Society of Great Britain. 
128 a tos ... Agent-General (two copies). 
129 5 ss ...* Anthropological Institute of Great Britain and 
Ireland. 
130 55 tee ... British Museum. 
131 93 aa ...* British Museum (Natural History). 
132 op se ... Chemical Society. 
133 0 an ... Colonial Office, Downing Street. 
134. Bs ne ...¥Geological Society. 
135 ap bis ... Institute of Chemistry of Great Britain and 
Ireland. 
136 3 hic ...* Institution of Civil Engineers. 
137 4 An ...*Institution of Naval Architects. 
138 33 Na ...*Iron and Steel Institute. 
139 ns ate ... Library, South Kensington Museum. 
140 i a ...*Linnean Society. 
141 Bs Dae ... London Institution. 
142 ~=Cs, 56a ...¥Lords Commissioners of the Admiralty. 
143 ap ab ...*Meteorological Office. 
144. an oe ...*Mineralogical Society. 
145 oe as «es» Museum of Practical Geology. 
