126 ACCOUNTS ETC., OF THE BRITISH MUSEUM. 



Insecta and C'rustacea (Gallery 8). — There has been 

 obtained a beautiful series of microscopic preparations of 

 specimens and appendages of Eurypterus Fischeri from the 

 Upper Silurian rocks of the Island of Oesel in the Baltic, 

 prepared and mounted upon glass, free from the matrix, by 

 Dr. Gerhard Holm, of Stockholm. 



A series of Trilobites, from the Silurian, Ordovician, and 

 Cambrian of Bohemia, part of the " Barrande Collection," 

 has been obtained from Dr. A. Fritsch and added to the 

 collection. 



Insect-remains from the Jurassic rocks, Alderton Hill, 

 Binton, &c., part of the Slatter Collection, have been incor- 

 porated in the collection. 



The Brodie Collection of Fossil Insects, numbering 4,719 

 specimens, and comprising Eocene, Purbeck, Stonesfield, 

 Lias, and Carboniferous examples, has been assorted and 

 temporarily arranged in a cabinet in Gallery 9. 



Number of specimens registered, 362. 



Echinodermata. — (Gallery 8). 



Echinoidea. — Several new species of Egyptian Echinoids, 

 e.g., Rhabdocidaris Lihyensis, Psamviechimis Lyonsi, 

 E chinolaonpas tumidopetaluvi, &c., have been described. 



Number of specimens registered, 18. 



Grinoidea. — A few specimens have been re-mounted, and 

 some have been specially studied and prepared. 



The collections obtained from Canon Jackson, Comte de 

 Viennay, J. G. Hambling, T. T. Lewis, G. H. Piper, and A. 

 Michalet have been incorporated. 



Nuniber of specimens registered, 777. 



Cystidea. — Many specimens have been specially prepared 

 and others labelled. 

 Number registered, 11. 



Blastoidea. — The general collection has been carefully 

 worked through, and the type specimens, 155, identified and 

 marked. 



Number of specimens registered, 113. 



Ecliinoderm^a as rock formers. A case, illustrating the 

 members of this group in their geological aspect as rock- 

 formers, has been arranged, and the specimens all carefully 

 mounted and labelled and placed between Wall-eafjes 

 15 and 16. 



Actinozoa — Corals (Gallery 10.). — A number of Egyptian 

 and Indian Tertiary and Jurassic corals have been described. 

 Some Tertiary corals from Texas, U.S., and Silurian corals 

 from Manitoba have been added to the collection. 



Number of corals registered, 96, 



