4 
CATALOGUES. 
IV. RADIATA. 
List of British Radiata ; with Synonyma. By J E Gray 
1848. 4s. 
List of British Sponges; with Synonyma. By J. E. Gray 
1848. 1 Od. 
Catalogue of the Echinidse or Sea Eggs. By J, E. Gray. 
Part 1. Echinida irregularia. 12mo, 1851, with Plates. 
Containing the characters of all the known genera and species, 
and illustrated with figures of the new species. 
Y. BRITISH ZOOLOGY. 
List of the British Animals ; with Synonyma. 
Part 1. Radiata. By J. E. Gray. 1848. 4s. 
Part 2. Sponges. By J. E. Gray. 1848. 10c?. 
Part 3. Birds. By G. R. Gray. 1850. 4s. 
Part 4. Crustacea. By A. White. 1850. 2s. 6d. 
Part 5. Lepidoptera. By J. F. Stephens. 1850. 5s. 
Part 6. Fish. 1851. 2s. 
Part 7- Mollusca Acephala and Brachiopoda. 1851. 2s. 
Part 8. Aculeate Hymenoptera. By F. Smith. 1851. 2s. 
N.B. — These Catalogues can be obtained at the Secretary's 
Office in the British Museum ; of Richard Taylor, Red 
Lion Court, Fleet Street ; or of any Bookseller. 
