538 



INDEX TO VOL. XI. 



ACANTHOPHORUS, descriptions of 



new species of, 366. 

 Achatina, new species of, 313. 

 Acroperus, description of some species 



of, 91. 

 Actinocrinidae, new species of, 200. 

 Agassiz's Nomenclator Zoologicus, noticed, 



57 ; Poissons d'Eau douce de I'Europe 



centrale, reviewed, 49. 

 Agrypnus, new species of, 365. 

 Alaus, new species of, 365. 

 Alcyonidium glomeratuin, remarks on, 1 1 2. 

 Algse, description of a new genus of, 161. 

 Allman,G.J.,on the occurrence of White's 



thrush in Ireland, 78; on a new genus 



of Algse, 161. 

 Alona, description of the new genus, 92. 

 Ampedus, new species of, 365. 

 Amphacanthus, new species of, 172. 

 Animalcules, A General History of, no- 

 ticed, 140; on the sacculi of, 438. 

 Animals, on tlie blood-discs in, 95, 278. 

 Annales des Sciences Naturelles, review 



of the contents of the, 297, 460. 

 Annelide, on the metamorphosis of an, 43. 

 Anodonta, a new genus of insects, 66. 

 Antennulariaarborescens.remarkson, 111. 

 Apocyrtus, new species of, 247. 

 Aprosmictus, description of the new genus, 



527. 

 Apteryx australis, monograph on the, 213. 

 Araneidea, on defective and redundant 



organization among, 165. 

 Asplenium, new species ot', 236. 

 Astacus fluviatilis, on the habits of, 106. 

 AstracrinidsE, new species of, 205. 

 Astur, new species of, 371, 532. 

 Atherina, new species of, 178. 

 Austin, Messrs., on some new genera and 



species of Crinoidea, 195. 

 Australia, discovery of the remains of a 



niastodontoid Pachyderm in, 7, 329 ; 



on the ichthyology of, 22, 169,422,489. 

 Babington, Ch. C, on a new species of 



Carex, 168; on Fumaria micrantha, 



Lag., and F. calycina, 258. 

 Bacillaria, on some species of, 449. 

 Bainbridge, F., on the occurrence of Leci- 



dea Wahlenbergii in Scotland, 485. 



Baird, Dr. W., on the natural history of 

 the British Entomostraca, 81. 



Ball, J., on the botany of Sicily, 338 ; on 

 Saxifraga stellaris and S. leucanthemi- 

 folia, 483. 



Barry, Dr. M., on the pitted tissue of 

 plants, and on muscle, 278 ; on fissipa- 

 rous generation, 382. 



Batrachus, new species of, 352. 



Bats, on some new genera and species of, 

 117. 



Bebeeru tree of British Guiana, account 

 of the, 384. 



Belemnites, observations on the, 299. 



Bennett, Dr. J. H., on parasitic vegetable 

 structures in living animals, 126. 



Bertoloni's, A., Flora Italica, noticed, 21 1. 



Birds, on certain species of Siberian, 113; 

 new species of, 143, 371, 477 ; Austra- 

 lian, on the nomenclature of some, 189, 

 333 ; of Ireland, 283 ; on the fossil 

 foot-prints of, 322 ; geographical dis- 

 tribution of some American, 484 ; on 

 the semen and seminal tubes of, 514. 



Bone-bed, on the occurrence of the Bristol, 

 502. 



Botanical excursion in Ross-shire, account 

 of a, 319. 



Botanical Society of Edinburgh, proceed- 

 ings of the, 319, 402. 



Botanical Society of London, proceedings 

 of the, 153, 402. 



Botany of Sicily, notes on the, 338. 



Bowerbank, J. S., on the structure of the 

 shells of molluscous animals, 155. 



Blackwall, J., on an ichneumon whose 

 larva is parasitic on spiders, 1 ; on 

 defective and redundant organization 

 among the Araneidea, 165; on the 

 growth of the salmon, 409. 



Blood, notice of the occurrence of haema- 

 tozoa in the, 403. 



Blood and fibre, observations on, 377,378. 



Blyth, E., on some Indian birds, 477. 



Brandt, Prof. J. F., on Siberian birds de- 

 scribed by Latham, 113. 

 British Association for the Advancement 



of Science, notice respecting the, 75. 

 British Entomostraca,naturalhistoryof, 80. 



