CATALOGUES. 
9. List of Hymenopterous Insects. By F. Walker. 
Part 1. Chalcididte. 1846. Is. 6d. 
Part 2. Additions of Chalcididae. 1848. 2s. 
10. List of Dipterous Insects (in four Parts). By F. Walker. 
Part 1. 1848. 3s. 6d. 
Part 2. 1849. 3s. 6d. 
Part 3. 1849. 3s. 0 d. 
Part 4. 1849. 6s. 6d. 
The Lists of Hymenoptera and Diptera contain the descrip- 
tion of the species in the Museum which appeared to be 
undescribed. 
11. Nomenclature of Coleopterous Insects. By A. White. 
Parti. Cetoniadae. 1847. Is. 
Part 2. Hydrocanthari. 1847 Is. 3d. 
Part 3. Buprestid*. 1848. Is. 
Part 4. Cleridae (with characters of some new species). 
1849. Is. 8 d. 
12. List of Crustacea. By A. White. 1847. 2s. 
13. List of Myriapoda. By G. Newport. 1844. 4 d. 
III. MOLLUSCA. 
14. Catalogue of the Mollusca in the Collection of the British 
Museum. By J. E. Gray. 
Part 1. Cephalopoda, Antepedia. 1849. 4s. 
Part 2. Pteropoda. 1850. Is. 
Part 3. Placunidce and Anomiadae. 1850. Ad. 
Containing the characters of the recent and fossil genera 
and the descriptions of all the recent species at present known. 
15. Nomenclature of Mollusca. By W. Baird, M.D. 
Part 1. Cyclophoridai. In the press. 
Part 2. Pholadae, Anomiadae and Placunada 1 . In the press. 
IV. BRITISH ZOOLOGY. 
1 6. List of the British Animals. 
Parti. Radiata. By J. E. Gray. 1848. 4s. 
Part 2. Sponges. By J. E. Gray. 1848. Ad. 
Part 3 Birds. By G. R. Gray. 4s. 
Part. 4. Crustacea. By A. White. 1850. 
