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. 1845, V. p. 544. — Ann. and Mag. N. H. XV. 

 p. 281. ^ , . X 



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. ^ 



1 1 . Note on the Impregnation of the Ovum in the Amphibia, in a Letter 

 to Thomas Bell, Esq., See. R.S.—Ftoc. 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. L 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. L 

 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 oi 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, L p. 383. 



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

 with descriptions of some American Perlida. — Trans. Linn. Soc. XX. 

 p. 425 Proc. Linn. Soc. L p. 370. 



21. The Anatomy and Development of cevtum Chalcididts a.nd Ichneu- 

 mmiidcB compared with their special CEconomy 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, £4. 



22. Further Observations on the genus Anthophorahia. — Trans. Linn. 

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



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

 account of a new Acarus, Heteropus veniricosus. — Trans. Linn. Soc. 

 XXL p. 93.— Proc. Linn. Soc. II. p. 70. 



24. Article "Insecta." — Todd's Cyclopa;dia of Anatomy and Physio- 

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



25. Observations on the Anatomy, Habits and Qiconomy 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 ' 



