20 NEW 



9. On the Structure and Development of the Blood (first series), the 

 Development of the Blood-corpuscle in Insects and other Inverte- 

 brata, and its comparison with that of Man and the Vertebrata. 

 Proc. Roy. Soc. Feb. 184-5, V. p. 54-4. Ann. and Mag. N. H. XV. 

 p. 281. 



10. On the Impregnation of the Ovum in the Amphibia (second series), 

 and on the nature of the Impregnating Influence. Proc. Roy. Soc. 

 VI. p. 82. 



11. Note on the Impregnation of the Ovum in the Amphibia, in a Letter 

 to Thomas Bell, Esq., Sec. R.S.Proc. Roy. Soc. VI. p. 171. 



12. On the Impregnation of the Ovum in the Amphibia (second series, 

 revised), and on the direct agency of the Spermatozoon. Proc. Roy. 

 Soc. VI. p. 214-. 



13. Monograph of the Class Myriapoda, Order Chilopoda ; with ob- 

 servations on the general arrangement of the Articulata. Trans. 

 Linn. Soc. XIX. pp. 265, 349. Proc. Linn. Soc. I. p. 191. Ann. 

 and Mag. N. H. XIV. p. 49. 



14. On the Aqueous Vapour, and on the dark colour of the Wax, in 

 Bee-hives. Trans. Linn. Soc. XX. p. 277. Proc. Linn. Soc. I. 

 p. 288. Ann. and Mag. N. H. XVIII. p. 190. 



15. On the Natural History, Anatomy and Development of the Oil 

 Beetle, Meloe, more especially of Meloe cicatricosus, Leach. Trans. 

 Linn. Soc. XX. pp. 297, 321 ; XXI. p. .Proc. Linn. Soc. I. 

 pp. 268-317. Ann. and Mag. N. H. XVII. p. 350 ; XIX. p. 346; 

 ser. 2, I. p. 377. 



16. On the Strepsiptera. Trans. Linn. Soc. XX. p. 330. Proc. Linn. 

 Soc. I. p. 319. 



17. Note on the Generation of Aphides. Trans. Linn. Soc. XX. p. 281. 

 Proc. Linn. Soc. I. p. 292. Ann. and Mag. N. H. XVIII. p. 192. 



18. On Cryptophagus cellaris, Payk. Proc. Linn. Soc. I. p. 327, Apr. 

 6, 1847. Ann. and Mag. N. H. XIX. p. 458. Trans. Linn. Soc. 



XX. p. 351. 



19. On the Formation and Use of the Air- Sacs and dilated Tracheae in 

 Insects. Trans. Linn. Soc. XX. p. 419. Proc. Linn. Soc. I. p. 353. 

 Ann. and Mag. N. H. ser. 2, 1. p. 383. 



20. On the Anatomy and Affinities of Pteronarcys regalis, Newm., 

 with descriptions of some American Perlidce. Trans. Linn. Soc. XX. 

 p. 425 Proc. Linn. Soc. I. p. 370. 



21. The Anatomy and Development of certain Chalcididce and Ichneu- 

 monidcB compared with their special (Economy and Instincts, with 

 Descriptions of a new genus and species of Bee- Parasites. Trans. 

 Linn. Soc. XXI. pp. 61-85. Proc. Linn. Soc. II. pp. 23, 34, 54. 



22. Further Observations on the genus Anthophorabia. Trans. Linn. 

 Soc. XXI. p. 79. Proc. Linn. Soc. II. p. 169. 



23. Further Observations on the Habits of Monodontomerus, witli some 

 account of a new Acarus, Heteropus ventricosm. Trans. Linn. Soc. 



XXI. p. 93. Proc. Linn. Soc. II. p. 70. 



24. Article "!NSECTA." Todd's Cyclopaedia of Anatomy and Physio- 

 logy, IV.pt. 17, 18, pp. 853-994. 



25. Observations on the Anatomy, Habits and (Economy of Athalia 

 centifolice, the Saw-fly of the Turnip, and on the means which have 

 been adopted for the prevention of its ravages. (The < Prize Essay ' 



