468 



INDEX to VOL. VI. 



Abraxas, new species of, 225. 

 Achatina, new species of, 428. 

 Actinozoa, new, 269. 

 Agassiz, Prof. A., on palseontological 



and embryological development, 



348. 

 Agathia, new species of, 216. 

 Alcyonidium, new species of, 284. 

 Alectona, new species of, 58. 

 Alston, E. R., on the Perognathus 



bicolor of Gray, 118. 

 Ambates, new species of, 176. 

 Ammonites, on the terminations of 



some, 242. 

 Ammothea, new species of, 269. 

 Amphilochus, new species of, 4. 

 Anexantha, characters of the new 



genus, 182. 

 Anisodes, new species of, 220. 

 Annelide^, on the early stages of some 



Polychnetous, 407. 

 Anthertea, new species of, 61. 

 Antipatharia, on the, 301, 395. 

 Aplysina, new species of, 36. 

 Arachnidium, new species of, 284. 

 Arenicola, on the early stages of, 



407. 

 Argidava, new species of, 128. 

 Argiope capsula, note on, 406. 

 Arvicola, new species of, 322, 399. 

 Aspidosiphon, new species of, 464. 

 Azygides, characters of the new 



genus, 183. 

 Barentsia, description of the new 



genus, 285. 

 Bats, new, 163, 164. 

 Bell, F. J., on the Pentastomum 



polyzonum of Harley, 173. 

 Bilharzia, on the ciliated embryo of, 



405. 



Birds, new, 231. 



Boarmia, new species of, 126. 



Books, new : — Pascoe's Zoological 

 Classification, 93 ; Nicholson's 

 Monograph of the Silurian Fossils 

 of the Girvan District, 95 ; Dun- 

 can's Sind Fossil Corals and Al- 

 cyonaria, 400. 



Brahmpea, new species of, 62. 



Brandt, E., on the nervous system of 

 Idothea entomon, 98. 



Brooks, W. H., on the rhythmical 

 character of the process of seg- 

 mentation, 408. 



Bryozoa, on the term, 157. 



Buccinum, on the northern species of, 

 423. 



Buckman, J., on the terminations of 

 some Ammonites, 242. 



Bulimus, new species of, 427. 



Butler, A. G., on new genera and 

 species of Lepidoptera, 61, 119, 

 214; on gynandromorphous speci- 

 mens of Cirrochroa aoris, 172. 



Callabraxas, characters of the new 

 genus, 226. 



Callaenia, new species of, 67. 



Camptochirus, new species of, 178. 



Carpenter, P. H., on some new Cre- 

 taceous Cornatulse, 243. 



Carter, H. J., on sponges dredged up 

 from the Gulf of Manaar, 35, 129 ; 

 on misdirected efforts to conjuga- 

 tion in Spirogyra, 207 ; on fossil 

 sponge-spicules from the Carbo- 

 niferous strata of Ben Bulben, 209 ; 

 on tabulse in the stellate venations 

 of Strornatopora, 244; on new 

 sponges from Barents Sea, 256 ; 

 on a new species of Actinozoa, 



