15) 



List of British Mollusca and Shells; with Synonyma. By 

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



Parti. Acephala and Brachiopoda. 12mo. 1851. 3s. 6d. 



Catalogue of Pulmouata. By Dr. Louis Pfeiffer and Dr. 

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



Part 1. 12mo. 1855. 2s. 6d. 



List of the Shells of the Canaries, described by M. D'Okbigny. 

 12mo. 1854. Is. 



List of the Shells of Cuba, described by M. D'Orbigny. 12mo. 

 1854. 1*. 



List of the Shells of South America, described by M. D'Or- 

 bigny. 12mo. 1854. 2s. 



List of the Mollusca and Shells collected and described by 

 MM. Eydoux and Souleyet. 12mo. 1855. 8d. 



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

 Part 1. Cyclophoridae. 12mo. 1851. Is. Gd. 



IV. RADIATA. 



Catalogue of Marine Polyzoa. By G. Busk, F.R.S. 



Part 1. Chilostoma. 12mo. 1852. 17s. With Plates. 

 Part 2. Chilostoma. 12mo. 1854. 15s. With Plates. 



List of British Radiata ; with Sjmonyma. By Dr. J. E. Gray, 

 F.R.S. 12mo. 1848. 4s. 



List of British Sponges ; with Synonyma. By Dr. J. E. Gray, 

 F.R.S. 12mo. 1848. \0d. 



Catalogue of the Recent Echinida. By Dr. J. E. Gray, F.R.S. 

 Part 1. Echinidairregularia. 12mo. 3s. 6c?., with Plates . 



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. lOd. 

 Part 3. Bu-ds. By G. R. Gray. 1850. 4s. 

 Part 4. Crustacea." By A. White. 1850. 2s. 6d. 

 Part 5. Lepidoptera. By J. F. Stephens. 1850. Ed. 2. 

 1856. Is. 9d. 



