26 MUSEUMS. 



rock ; Dolerite, showing twinning and peculiarly -formed round crystals 

 of Orthoclase ; Grranophyre, showing two different colours of the same 

 rock ; Andesite (2G. 7. 97. 1-30.). 



Specimens of Minerals from Nickel, Gold, and Coal Mines, Canada 

 (19. 10. 97. 23) ; presented by the Director of Museums. 



Four pieces of Fossil-bearing Rock and piece of Fossil Wood, bored, 

 from California (23. 11. 97. 1-5) ; * presented by Messrs. Balfour, 

 Williamson & Co. 



Several specimens of small Striated Blocks from an inlet of " Clay," 

 and specimens of the " Clay " (17. 12. 97. 2) ; collected from the 

 excavations for the Museum Extension by Mr. Wm. S. Laverock. 



Miscellaneous. 



Piece of Wooden Post and two Peats from the Submerged Forest, 

 Leasowe (25. 3. 97. 5-7) ; presented by the Director of Museums. 



Mass of Nitrate, containing bones and other organic remains, from Peru 

 (12. 6. 97. 1) ; presented by Mr. W. Lockett. 



The Aquarium. 



The Aquarium continues to be one of the chief attractions of the 

 Museum ; special interest being taken in the Mud-fishes, the Walking 

 Fishes, the Electrical Cat-fishes and the Sea Anemones ; and in the 

 various species of Anthropoids, which have from time to time been on 

 exhibition. 



Our efforts to keep in good health and condition the various tropical 

 animals have proved very successful. 



The following species have been exhibited alive during the year, those 

 with an asterisk being alive at the date of this report : — ■ 



The Fresh- Water Sponge * (Spongilla Jiuviatilis) ; Fresh Water 

 Hydra? * (Hydra viridis and H.fusca). Sea-Anemones : The Crass* 

 (Tealia crassicornis ) ; Plumose Anemone * (Actinoloba dianthus) ; 

 Beadlet * (Actinia mesembryanthemum) ; Cave-dwelling Anemone * 

 (Sagartia troglodytes) ; Parasitic Anemone * (Sagartia parasitica) ; 

 Pallid Anemone * (Actinia pallida?); young Sea-urchin (Echinus 

 sphwra) ; Sea Mouse (Aphrodite acideata) ; Fresh-water Polyzoa* ; 

 Edible Crab * (Cancer pagurus); Common Shore Crab * (Carcinus 

 mosnas) ; Hermit Crab (Pagurus bernhardus) ; Prawn * (Puliation 



