398 



INDEX. 



Macgillivray, Prof., on Conchoderma, 



140. 

 on Lepas anseri- 

 fera, 81. 

 Malacotta, 137. 



bivalvis, 141. 

 Male Cirripedes, discussion on, 281. 

 of Ibla Cumingii, 189. 



„ quadrivalvis, 207. 

 of Scalpellura ornatum, 248. 

 Peronii, 270. 

 rostratum, 262. 

 villosum, 278. 

 vulgare, 231. 

 organs of generation in the 

 Lepadidae, 55. 

 Mandibles, general description of, 41. 

 Martin St. Ange, on the affinities of 



Cirripedes, 1. 

 on a closed tube 

 within the sto- 

 mach, 45. 

 on the generative 

 organs, 55. 

 Maxillae, general description of, 41. 

 Membrane, covering valves, 30. 

 Metamorphoses, first stage, 9. 



second stage, 13. 

 last stage, 14. 

 Mitella, Genus, 293. 

 Mouth, general description of, 39. 

 of young Cirripede, 22. 

 of the larva, first stage, 11. 

 last stage, 17. 

 Muscles, 39. 



without striae in Ane- 

 lasma, and in embryonic 

 Cirripedes, 172. 



Nerves, general system of, 46. 

 of Ibla Cumingii, 188. 

 Nomenclature of the parts of Cirri- 

 pedes, 3. 

 Rules of, 293. 



Octolasmis, 11.5. 



Warwickii, 120. 

 (Esophagus, general description of, 



44. 

 Orders of Cirripedes, 2. 

 Organs acoustic (?) general descrip- 

 tion of, 53. 



Organs acoustic, of the larva of 

 Lepas, 15. 

 female, of generation, in the 



Lepadidae, 56. 

 male, of generation, in the 

 Lepadidae, 55. 

 olfactory, general descrip- 

 tion of, 52. 

 Otion, 137. 



aurifm, 141. 

 Bellianus, 141. 

 Blainvillianus, 141. 

 Cuvieranus, 141. 

 depressa, 141. 

 DumeriUianus, 141. 

 Rissoanus, 141. 

 saccutifera, 141. 

 Ova, 58. 

 Ovaria, incipient in the larva, 20, 24. 



in the Lepadidae, 57. 

 Oviducts (supposed), 59. 

 Owen, Professor, on certain Entozoic 

 Worms, 201. 

 • on the Concho - 

 derma Hunteri, 

 154. 

 Oxynaspis, Genus, 133. 

 celata, 134. 



Pamina, 137. 



trilineata, 146. 

 Peach, Mr., obligations to, 240. 



on the movements of pe- 

 dunculated Cirripedes, 

 33. 

 Peduncle, general description of, 31. 

 origin and homologies of, 

 21. 

 Penis, general description of, 56. 

 of Ibla quadrivalvis, 206. 

 Pentalasmis, vel PenfalejMS, 67. 

 anseriferus, 81. 

 dentatus, 73. 

 dilatata, 81. 

 Donovani, 92. 

 fascicular is, 92. 

 Hillii, 77. 

 inversus, 86. 

 Icevis, 73, 77. 

 radula, 86. 

 spirula, 86. 

 spirulicola, 92. 

 sulcata, 86. 



