INDEX. 



Synonyms and doubtful species are printed in italics. 



Abortion, extreme, in the male of 



Ibla, 202. 

 Absia, 332. 



Acari, development of, 18. 

 Acoustic (?) organs, general descrip- 

 tion of, 53. 

 Adductor scutorum muscle, 39. 

 Affinities of the Lepadidae, 64. 

 Alepas, Genus, 156. 



cornuta, 165. 



miuuta, 160. 



parasita, 163. 



squalicola, 170. 



tubulosa, 169. 

 Allman, Professor, on Cyclops, 38. 

 Anatifa vel Aaatifera, Genus, 67, 

 99, 215. 



crassa, 107. 



dentata, 73. 



elongata, 374. 



engonata, 73. 



hirsuta, 203. 



Itevis, 73, 77. 



oceanica, 92. 



obliqua, 264. 



parasita, 163. 



quadrivakis, 203. 



sessilis, 81. 



spinosa, 324. 



striata, 81, 86. 



substriata, 77. 



sulcata, 86. 



tricolor, 77. 



truiicata, 361. 



univalvis, 163. 



v ill os a, 367. 



vitrea, 92. 



Anelasma, Genus, 169. 

 Antennae, larval, 33. 



in the Lepadidas, 

 table of measure- 

 ments, 286. 

 of Ibla Cumingii, 



191. 

 of Lepas australis, 



15. 

 of Scalpellum vul- 

 gare, 237. 

 Appendages, caudal, 43. 



in larva, 19. 

 filamentary, 38. 

 Asplanchna, male of, 292. 

 Attachment of Cirripedes, 33. 



of Scalpellum vulgare, 



226. _ _ 

 of Pollicipes polymerus, 

 310. 



Balanidae, affinities of, 64. 



Bate, Mr. C. S., on the metamor- 

 phoses of Cirripedes, 9-16. 



Bopyrus, parasite allied to, 55. 



Branta, 137. 



aurita, 141. 

 virgatum, 146. 



Brightwell, Mr., on the Asplanchna, 

 292. 



Br is nans, 332. 



Rhodiopus, 363. 



Brugiere, date of work of, 67. 



Buoyancy, means of, in Lepas fasci- 

 cularis, 95. 



Burmeister, Professor, on the meta- 

 morphoses of Cirripedes, 9, 13. 



