List of Lcpidopterous Insects, with descriptions of new species 

 By Francis Walker, F.L.S. 



Part 1. Lepiduptcra Heterocera. 12mo. 1854. 4s. 



Part 2. 1854. 4s. 6d. Part 12. 1857. 3s. 6cl. 



Pai-t 3. 1855. 3s. Part 13. 1858. 3s. 6c/. 



Part 4. 1855. 3s. Part 14. 1858. 4s. 6c/. 



Part 5. 1855. 4s. Part 15. 1858. 4s. 6d. 



' Part 6. 1855. 3s. 6d. Part 16. 1858. 3s. wl. 



Part 7. 1856. 4s. 6d. Part 17. li:59. 3s. 6d. 



Part 8. 1856. 3s. 6d. Part 18. 1859. 4s. 



Part 9. 1856. 4s. Part 19. 1859. 3s. 6d. 



Part 10. 1857. 3^. 6d. Part 20. 1860. 4s. 



Part 11. 1857. 3s. 6d. 

 List of British Lepidoptera; with Synonyma. By J, F. Ste- 

 phens, F.L.S., and H. T. Stainton, M.E.S. 



Part 1. 12mo. Ed. 2. 1856. Is. 9d. Part 3. 1853. 9d. 



Part 2. 1852. 2s. Part 4. 1854. 3s. 



List of Hymenopterous Insects. By F. Walker, F.L.S. 



Part 1. Chalcididffl. 12mo. 1846. Is. 6d. 



Part 2. Additions to Chalcididee. 1848. 2s. 

 Catalogue of Hymenopterous Insects. By F. Smith, M.E.S. 



Part 1 . Andrenida;, &c. 12mo. 1853. 6s., with Plates. 



Part 2. Apidffi. 1854. 6s., with Plates. 



Part 3. MutillidiE and Pompilida;. 1855. 6s., with Plates. 



Part 4. CrabronidfE, &c. 1856. 6s., with Plates. 



Part 5. Vespida;. 1857. 6s., with Plates. 



Pai-t 6. Formicida;. 1858. 6s. > with Plates. 



Pait 7. Dorylidaj and ThjTinidffi. 1859. 2s. 

 Catalogue of British Hymenoptera. By F. Smith, M.E.S. 



Part 1. Apidse. r2mo. 1855. 6s. 

 Catalogue of British Formieidfe, Sphegidse, and Vespidse. By 



F. Smith, V.P.E.S. 12mo. 1858. 6s. 

 Catalogue of British Ichneumonidse. By Thomas Desvignes, 

 M.E.S. 12mo. 1856. Is. 9f/, 



List of British Aculeate Hymenoptera ; with Synonyma, and the 

 description of some new species. By F.Smith. 1851. 2s. 



Catalogue of Dipterous Insects. By F. Walker, F.L.S. 12mo. 



Part 1. 1848. 3s. 6d. Part 5. Supplement I. 1854. 4s. 6d. 



Part 2. 1849. 3s. 6d. Part 6. Supplement II. 1854. 3s. 



Part 3. 1849. 3s. Part 7. SupplementIII.1855.3s.6d. 



Part 4. 1849. 6s. 

 Catalogue of Homopterous Insects. By F. Walker, F.L.S. 

 12mo. With Plates. . ,o,:o ^ 



Part 1. 1850. 3s. 6d. Part 4. 1852. 4s. 



Part 2. 1850, 6s. Supplement. 1858. 4s. 



Part 3. 1851. 3s. 6rf. 



