CONTENTS XI 



XXXV 



PAGE 



ON THE ENAMEL AND DENTINE OF THE TEETH . . . • • 357 



Quarterly Journal of Microscopical Science, vol. Hi. 1855,//. 127-130. 



XXXVI 



MEMOIR ON PHYSALIA . . 361 



Proceedings of the Linnean Society, vol. ii. 1855,//. 3-5. 



XXXVII 

 ON THE ANATOMY OF DIPHYES, AND ON THE UNITY OF COMPOSITION OF 



THE DIPHYID.B AND PHYSOPHORID/E, ETC. . . . 363 



Proceedings of the Liiinean Society, vol. ii. 1855, //. 67-69. 



XXXVIII 



TEGUMENTARY ORGANS . 365 



The Cycloficedia of Anatomy and Physiology, Edited by Robert B. Todd, M. D. , 



F.R.S. \The fascicnles containing this article were published between 



August, 1855, and October, 1S56.] 



XXXIX 



ON THE METHOD OF PALEONTOLOGY . , 432 



Annals and Magazine of Natural History, vol. xviii. 1S56, //. 43-54. 



XL 



OBSERVATIONS ON THE STRUCTURE AND AFFINITIES OF HIM.\NTOPTERUS 445 

 Quarterly Jotirnal of the Geological Society, vol. xii. 1856,//. 34-37. 



XLI 



FURTHER OBSERVATIONS ON THE STRUCTURE OF APPENDICULARIA FLABEL- 



LUM (CHAMISSO) ... . 449 



Qziarterly Journal of Microscopical Science, vol. iv. 1856,//. 181-191. 



XLII 



NOTE ON THE REPRODUCTIVE ORGANS OF THE CHEILOSTOME POLYZOA . 461 



Quarterly Journal of Microscopical Science, vol. iv. 18^6, pp. 191-192. 



XLI 1 1 

 DESCRIPTION OF A NEW CRUSTACEAN (PYGOCEPHALUS COOPERI, HUXLEY) 



FROM THE COAL-MEASURES ... . . 463 



Quarterly Journal of the Geological Society, vol. .xiii. iS^y, pp. 363-369. 



XLIV 



ON DYSTERIA, A NEW GENUS OF INFUSORIA 47 1 



Quarterly Journal of Microscopical Science, vol. v. \'it^1,pp. 78-S2. 



