List of British Mollusca and Shells; with Synonyma. Bv 

 Dr. J. E. Gray, F.R.S. 



Part 1. Acephala and Brachiopoda. 1851. 2s. 



Nomenclature of Mollusca. By Dr. W. Baird, F.L.S. &c. 



Parti. 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 Echinidse or Sea Eggs. By Dr. J. E. Gray, 

 F.R.S. 



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. 



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. lOd. 



V. BRITISH ZOOLOGY. 



List of the British Animals ; with Sjrnonyma and references to 

 figures. 



Part 1. Radiata. By Dr. J. E. Gray. 1848. 4s. 



Part 2. Sponges. By Dr. J. E. Gray. 1848. lOd. 



Part 3. Birds. By G. R. Gray. 1850. 4s. 



Part 4. Crustacea. By A. White. 1850. 2s. Qd. 



Part 5. Lepidoptera. By J. F. Stephens. 1850. 5s. 



Part 6. Hymenoptera. By F. Smith. 1851. 2s. 



Part 7' Mollusca Acephala and Brachiopoda. By Dr. J. E. 



Gray. 1851. 3s. 6d. 

 PartS. 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. 3s. 



N.B. — These Catalogues can be obtained at the Secretary's Office 

 in the British Museum ; or of any Bookseller. 



Jan. 1853. 



