(4) 
List of British Mollusca and Shells; with Synonyma. By 
Dr. J. E. Gray, F.R.S. 
Part 1. Acephala and Brachiopoda. 1851. 3s. 6d. 
Nomenclature of Mollusca. By Dr. W. Barro, F.L.S. &c. 
Part 1. Cyclophoride. 1851. 1s. 6d. 
IV. RADIATA. 
Catalogue of Marine Polyzoa. By G. Busx, F.R.S. &ce., with 
characters and figures of all the species. 
Part 1. Chilostoma. 1852. 17s. 
Catalogue of the Echinide 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 Synonyma. By Dr. J. E. Gray, 
F.R.S. 1848. 10d. 
V. BRITISH ZOOLOGY. 
List of the British Animals; with Synonyma and references to 
figures. 
Part 1. Radiata. By Dr. J. E. Gray. 1848. 4s. 
Part 2. Sponges. By Dr. J. E. Gray. 1848. 10d. 
Part 3. Birds. By G. R.Gray. 1850. 4s. 
Part 4. Crustacea. By A. Wyre. 1850. 2s. 6d. 
Part 5. Lepidoptera. By J. F. Srepnens. 1850. 5s. 
Part 6. Hymenoptera. By F. Smirg. 1851. 2s. 
Part 7. Mollusca Acephala and Brachiopoda. By Dr. J. E. 
Gray. 1851. 3s. 6d. 
Part 8. Fish. By A. Wuire. 1851. 3s. 
Part 9. Eggs of British Birds. By G. R. Gray. 1862. 
2s. 6d. 
Part 10. Lepidoptera (continued). By J. F. SrepHENs. 
1852. 2s. 
Part 11. Anoplura or Parasitic Insects. By H. Denny. 1s. 
Part 12. Lepidoptera (continued). By J. F. SrePHENS. 
1852. 9d. 
Part 13. Nomenclature of Hymenoptera. By F. Smiru. 
1853. 1s. 8d. 
Part 14. Nomenclature of Neuroptera. By A. Wuire. 
1853. 
N.B.—These Catalogues can be obtained at the Secretary’s Office 
in the BrirtsH Museum; of Messrs. LONGMAN & Co. ; or 
of any Bookseller. 
June 1853. 
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