4 
List of British Mollusca autl Shells; with Synonyma. By 
Dr. J. E. Gray, F.R.S. 
Parti. Acephala and Brachiopocla. 1851. 3s. 6c/. 
Nomenclature of Mollusca. By Dr. W. Baird, F.L.S. &c. 
Part 1. Cyclophoridse. 1851. Is. 6d. 
IV. RADIATA. 
Catalogue of Marine Polyzoa. By G. Busk, F.R.S. &c., with 
characters and figures of all the species. 
Part 1. Chilostoma. 1852. 17s. 
Catalogue of the Echinidas or Sea Eggs. By Dr. J. E. Gray, 
F.R.S. 
Part 1. Echinida irregularia. 12mo, with Plates. 
Containing the characters of all the known genera and species, 
and illustrated with figures of the new species. 
List of British Radiata ; with Synonyma. By Dr. J. E. Gray, 
F.R.S. 1848. 4s. 
List of British Sponges ; with S}'nonyma. By Dr. J. E. Gray, 
F.R.S. 1848. lOd. 
V. BRITISH ZOOLOGY. 
List of the British Animals ; with S 3 monyma and references to 
figures. 
Part 1. Radiata. By Dr. J. E. Gray. 1848. 4s. 
Part 2. Sponges. By Dr. 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. Hymenoptera. By F. Smith. 1851. 2s. 
Part 7- Mollusca Acephala and Brachioiioda. By Dr. J. E. 
Gray. 1851. 3s. 6d. 
Part 8. Fish. By A. White. 1851. 3s. 
Part 9. Eggs of British Birds. By G. R. Gray. 1852. 
2s. 6d. 
Part 10. Lepidoptera (continued). By J. F. Stephens. 
1852. 2s. 
Part 11. Anoplura or Parasitic Insects. By H. Denny. Is. 
Part 12. Lepidoptera (continued). By J. F. Stephens. 
1852. 9d. 
Part 13. Nomenclature of Hymenoptera. By F. Smith. 
1853. Is. Sd. 
Part 14. Nomenclative of Neivoptera. By A. White. 
1853. 
N.B. — These Catalogues can be obtained at the Secretary’s Office 
in the British Museum ; of Messrs. Longman & Co. ; or 
of any Bookseller. 
June 1853. 
