475 



INDEX TO VOL. X. 



AcHEBRES, description of the new 



genu8, S7. 

 Achrionota, cliaracters of the genus, 



325. 

 Adelomyia, new species of, 452. 

 .■Edriodes, description of the new 



genus, 85. 

 Agenopus, characters of the new 



genus, 99. 

 Agriochfeta, description of the new 



genus, 96. 

 Algae, on a new genus of unicellular, 



139. 

 Amorphocephalus, new species of, 



321. 

 Anderson, Dr., on Trionyx gangeti- 



cus, 219. 

 Antipathes, on a new species of, fr-om 



the Polar seas, 77. 

 Aoplocnemis, new species of, 92. 

 Aplysina, on a new species of, 101. 

 Apus cancriformis, on the reproduc- 

 tion and mode of life of, 152. 

 Ai'achnida, on a new family and 



genus of, 409. 

 Argas reflexus, on the eggs and 



newly hatched young of, 230. 

 Argus Pheasant, on the two (?) un- 

 known species of, 67. 

 Arpexylon, description of the new 



genus, 227. 

 Artemia, observations on, 405. 

 Atherina, new species of, 398. 

 Balaenoptera, new species of, 413, 



473. 

 Balistidfe, on the natural ajffinities of 



the, 68. 

 Bathybius-mud, on the, 362. 

 Bell's Collection of Reptiles, 407, 



461, 462. 

 Belus, new species of, 95. 

 Birds, new, 61, 71, 114, 252, 450, 



452 ; on fossil, 72 ; on the sense of 



sight in, 142 ; new species of cre- 

 taceous, 212. 

 Black Redstart, on the specific name 



of the, 227. 

 Blake, Dr., on Diatoms in hot springs, 



312. 

 Blysmia, characters of the genus, 323. 



Blyth, E., on the species of Asiatic 

 two-horned Rhinoceros, 399. 



Boeckia, description of the new 

 genus, 6. 



Books, new: — Sowerby and Dear's 

 Tortoises, Terrapins, and Turtles, 

 299 ; Ajidersson's Birds of Damara 

 Land, 457; Shelley's Birds of 

 Egypt, 458; Harting's Handbook 

 of British Birds, 460. 



Bowerbank, Dr. J. S., on Mr. Car- 

 ter's paper on two new Sponges 

 from the Antarctic Sea &c., 58; 

 reply thereto, 141. 



Brachiopoda, on a new family of, 248. 



Brady, Gr. S,, on the non-parasitic 

 marine Copepoda of the north-east 

 coast of England, 1, .-, 



Branchipus, observations on, 405. J'^f'*" 



Brauer, Dr. F., on the reproduction 

 and mode of life of the Phyllopoda, 

 152. 



Burmeister, Dr. H., on his so-called 

 Globiocephalus Grayi, 51 ; on Ba- 

 Isenoptera patachonica and B. in- 

 termedia, 413. 



Butler, A. G., on a new genus and 

 species of Heterocerous Lepido- 

 ptera, 125, 228, 274 ; on the species 

 of Thelyphonus, 200 ; on new My- 

 riopoda, 354. 



Calauiites, on the structure of the, 

 225. 



Callithamnion, on a new British, 408. 



Callograptus radicans, description of, 

 233. 



Calveria, characters of the new genus, 

 303. 



Cambridge, Rev. O. P., on a new 

 family and genus and two new 

 species of Thelyphonidea, 409 ; on 

 the habits and distribution of Ly- 

 cosa ingens, 448. 



Campanularia neglecta, on reproduc- 

 tion by fission in, 390. 



Campylonema, description of the 

 new genus, 396. 



Canthocamptus, new species of, 1 1 . 



Capreolus pvgargus, observations on, 

 407. 



