GEOLOGICAL  MINERALOGY,  KING'S  COLLEGE,  LONDON,— Professor 
ENNANT,  F.G.S.,  commenced  the  Second  or  PRACTICAL  DIVISION  of  his  LEC- 
UEES  on  Minerals  and  Rocks,  on  WEDNESDAY  MORNING,  Jan  24.  The  Lec- 
ires  will  be  continued  on  each  succeeding  Friday  and  "Wednesday  at  1)  a.m.     Fee  £2  2s. 
A  shorter  Course  on  the  same  subject  will  be  given  on  Thursday  Evenings  at  8  o'clock, 
ee  £1  Is. 
Private  instruction  in  Mineralogy  and  Geology  is  given  by  Professor  Tennant,  at  his 
sidence,  149  Strand,  W.C.  I 
SOPWITH'S  GEOLOGICAL  MODELS  IN  WOOD. 
To  illustrate  the  nature  of  Stratification  ;  of  Valleys  of  Denudation ;  Succession  of  Coal- 
»ms  in  the  Newcastle  Coal-field:  Strata  of  adjacent  Lead-mine  districts  ;  the  effects  pro- 
need  by  Faults  or  Dislocations ;  Intersections  of  Mineral  Veins.  &c;  accompanied  with  a 
tterpress  description,  which  can  be  had  separately,  price  Is.  6^.,  by  T.  Sopwitii,  C.E.  &c. 
Sold  in  Case,  bound  and  lettered  to  resemble  a  large  folio  volume. 
Twelve  Models,  4  inches  square £6    0 
A  Catalogue  of  2000  of  the  most  common  Fossils  found  in  the  British  Isles,  being  a  list 
:  those  in  the  private  collection  of  J.  Tennant,  F.G.S.     Price  2s. 
All  the  recent  Works  relating  to  Mineralogy,  Geology,  Conchology,  and  Chemistry;  also 
jical  Maps.  Models.  Diagrams,  Hammers,  Blowpipes,  Magnifying- Glasses,  Platina 
-.  Electrometer  and  Magnetic  Needle,  Glass-top  Boxes,  Microscopic  Objects,  Forceps, 
cid  Bottles,  &c,  can  be  supplied  to  the  Student  in  these  branches  of  Science. 
FOR  SALE.— TWO  CABINETS,  measuring  9  feet  3  inches  long,  2  feet  4  inches  wide, 
id  3  feet  10  inches  high ;  each  containing  45  drawers,  with  a  Glass  Case  on  the  top  of 
ich  Cabinet,  4  feet  11  inches  high,  and  15  inches  from  back  to  front.  One  Cabinet  is  filled 
ith  2600  Minerals,  the  other  with  3400  Fossils. 
The  Collection  consists  of  six  thousand  specimens,  many  very  select.  The  first  Gold 
received  from  Australia,  which  was  exhibited,  in  the  Exhibition  of  1851,  is  in 
ie~ Collection ;  it  cost  i.'37,  and  contains  about  8  ounces  of  gold:  also  a  fine  series  of 
iamonds,  illustrating  crystalline  form  and  colour,  from  India,  Brazil,  South  Africa,  and 
ustralia.  The  specimens  have  been  used  to  illustrate  the  Lectures  on  Mineralogy  and 
eology  at  King's  College,  London,  and  at  the  Royal  Military  Academy,  Woolwich.     Price 
THREE  THOUSAND  GUINEAS. 
Any  person  wishing  to  become  practically  acquainted  with  the  interesting  and  important 
udy  of  MINERALOGY  and  GEOLOGY  will  find  this  a  good  opportunity  to  obtain  an 
istructive  and  valuable  Museum,  the  specimens  having  been  collected  with  care  and  at 
reat  expense  during  the  last  thirty  years. 
Elementary  Geological  Collections  at  2,  5, 10,  20,  50,  to  100  guineas  each,  and 
rery  requisite  to  assist  those  commencing  the  study  of  this  interesting  branch  of  Science, 
knowledge  of  which  affords  so  much  pleasure  to  the  traveller  in  all  parts  of  the  world. 
A  collection  for  Five  Guineas,  to  illustrate  the  recent  works  on  Geology,  by  Ansted, 
uckland,  Lyell,  Mantell,  Murchison,  Page,  Phillips,  and  others,  contains  200  specimens, 
i  a  plain  Mahogany  Cabinet,  with  five  trays,  comprising  the  following  specimens,  viz. : — 
Minerals  which  are  either  the  components  of  Rocks,  or  occasionally  imbedded  in 
lem — Quartz,  Agate,  Chalcedony,  Jasper,  Garnet,  Zeolite,  Hornblende,  Augite,  Asbestos, 
elspar,  Mica.  Talc,  Tourmaline,  Spinel,  Zircon,  Corundum,  Lapis  Lazuli,  Calcite,  Fluor, 
elenite,  Baryta.  Strontia,  Salt,  Sulphur,  Plumbago,  Bitumen,  &c. 
Native  Mltals.  or  Metalliferous  Minerals  ;  these  are  found  in  masses  or  beds,  in 
jins,  and  occasionally  in  the  beds  of  rivers.  Specimens  of  the  following  Metallic  Ores  are 
it  in  the  Cabinet : — Iron,  Manganese,  Lead,  Tin,  Zinc,  Copper,  Antimony,  Silver,  Gold, 
latina,  Mercury,  Titanium,  &c. 
Rocks  :  Granite,  Gneiss,  Mica-slate,  Clay-slate,  Porphyry,  Serpentine,  Sandstones,  Lime- 
anes,  Basalt.  Lavas,  &c. 
Pal.eozoic  Fossils  from  the  Cambrian,  Silurian,  Devonian,  Carboniferous,  and  Permian 
Secondary  Fossils  from  the  Rhtetic,  Lias,  Oolite,  Wealden,  and  Cretaceous  Groups. 
Te-rtiary  Fosmls  from  the  Plastic  Clay,  London  Clay,  Crag,  &c. 
In  the  more  expensive  collections  some  of  the  specimens  are  rare,  and  all  more  select. 
JAMES  TENNANT,  Mineralogist  'by  appointment)  to  Her  Majesty, 
149  Strand,  London,  W.C.  February  1672.' 
