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CATALOGUES. 
Catalogue of Amphibia. By J. E. Gray. 
Part 2. Batrachia Gradientia. 12mo, 1850. 2s. 6d., with 
Plates. 
Catalogue of Fish. By J. E. Gray. 
Part 1. Cartilaginous Fish. 12mo, 1850. With two Plates. 
These Catalogues of Reptiles, Amphibia, and Fish, contain 
the characters of all the genera and species at present known ; 
the latter are illustrated with figures of the genera. 
List of British Fish ; with Synonyma. 1851. 2s. 
List of Osteological Specimens. By J. E. Gray. 1847- 2s. 
II. ANNULOSA. 
List of Lepidopterous Insects. By E. Doubleday. 
Part 1. Papilionidse, & c. 1844. 2s. 6d. 
Part 2. Erycinidse, &c. 1847- 9 d. 
Part 3. Appendix to Papilionidae, Erycinidae, &c. 1848. 9 d. 
Catalogue of Hyinenopterous Insects. By F. Walker. 
Part 1. Chalcididse. 1846. Is. 6d. 
Part 2. Additions to Chalcididae. 1848. 2s. 
Catalogue of Dipterous Insects (in four Parts). By F. Walker, 
Part 1. 1848. 3s. 6d. 
Part 2. 1849. 3s. 6d. 
Part 3. 1849. 3s. 
Part 4. 1849. 6s. 6d. 
Catalogue of Homopterous Insects. By F. Walker. 
Part 1. 12mo, 1850. 3s. 6d. 
Part 2. 12mo> 1850. 3s. 6d. 
The Catalogues of Hymenopterous, Dipterous, and Homopte- 
rous Insects contain the description of the species in the Museum 
which appeared to he un described. 
