GENERAL INDEX. 



Acarus of Mr. Cross, 55; figured 57; addition- i 

 al inlbimation upon 101 



Aetobatis, Muller and Henle, a new genus of I 

 cartilaginous fishes, 91 



Afzelius, Professor, information respecting his 

 collection of natural objects, 50 



Agassiz, M., opinion respecting the fishes of the 

 crag, 114 



Aigocerus, new species of ; 108 



Alectura Gray, true affinities of, 257 



Algyra, new species of, 94 



Allantois hi the kangaroo, 94 ; letter by M. Coste 

 upon, with remarks by the editor, 157; me- 

 moir upon by Mr. Owen, 183 



Amber, yellow, fact relating to, 570 



Ammonites mar ginatus, found at Swanwich, 87 

 varicosus, found at Swanwich, 87 



Ampelis garrulus, on the habits of, 52 



Amphibia, dental system of, 652 



Amphioxus lanceolatus, observations upon, 381 



Amphitherium, 653 ; see Didclphis fossil 



Anacardium, new genus of 502 



Anglesea Morris see Leptocephahis Morrissii 



Angostura bark tree, see Galipea officinalis. 



Anomia, affinities of 579 ; formation of the notch 

 in its upper valve 583 



Ancema referred to, 584 



Anthocephahcs paradoxus, described and fi- 

 gured, 655 



Antilope Ogilbii, (new species) noticed, 335 



Antelope, see Aigocerus 



Antennae of Insects, remarks upon by Mr. New- 

 man, 268; by Mr. L. W. Clarke, 393,472; of 

 Crustacea, 273 



Ant-lion, see Myrmelconformicarium. 



Apothecaries Society, botanical prizes given by, 

 672 



Apteryx, body of presented by the Earl of Der- 

 by to the Zoological Society of London, 159 



Arendsee, lake of described, 569 



Argentine, see Scopelas Humboldtii. 



Argonaut, experiments upon the animal of, 65 ; 

 parasitic nature of, 48 



Ascotus longimanus found at Neufchatel, 583 



Association, Scientific of Germany, 678 



Asterice, best method of preserving, 100 



Aueroch, see Bos urus. 



Auk, little, see Mergula rnelanoleucos. 



Avicula, external punctuations on the valves 

 of, 582 



Baer, M. de, intelligence of, 49; 507. 



Balani attached to bones in the crag, 347 



Barbarea, reference made to, 605 



Basilosaurus, referred to, 653 



Batrachia, observations on the ova of, 187 



Bear, fossil tooth of figured, 543 



Beck, Dr., opinion respecting the fossils of the 

 crag, &c, 113 



Bee-eater, see Merops Apiastcr 



Bee, honey, review of Dr. Sevan's work, 559 



Bialowicza, forest of desciibed, 239 



Birds, domestic instincts of, 399 ; supposed ef- 

 fects of change of temperature upon, 53 ; fos- 

 sil remains of, 43 ; insessorial, new arrange- 

 ment of, 256 ; list of common to Europe and 

 North America, 237; supposed cause of death 



when confined in cages, 293 ; transmission of 

 experience in, 50 



Bird, trumpeter, see Psophia crepitans. 



Bison, see Bos urus. 



Blackburn, ornithology of, 426; 524 



Bonassos, see Bos urus. 



Bonplandia trifoliata, comparison of its cha- 

 racters with those of Galipea officinalis, 104 



Bos americanus, comparison of with Bos unis, 

 305 



gaums, remarks upon, 256 



primogenius, remarks upon; 254 



urus, natural history of, 239 ; additional 



note upon, 321 



Bothriocephalic auricidatus referred to, 656; 

 B. corollatus referred to, 656 ; B . punctatus 

 description of, 574 ; figured 577 



Brassicacece, see Cruciferce 



Brentford, fossil remains found at, 539 



Brookite, locality for, 293 



Bubale, see Bos urus. 



Buceridce, affinities of, 589 



Bustard, Hiede of capturing in Germany, 51 



C&cilia, dental system of, 652 



Calamites, remarks on 5 



Calluna vulgaris and its varieties, 557; 619 



Cantriccs, proposed new order of birds, 266 



Capricorn captured at Berne, 341 



Carbon, accumulation of in the state of coal, 6 



Carbonic acid, 6 



Carcharias, fossil teeth of, in the crag, 43 



Carcharodon, Andr. Smith, new genus of carti- 

 laginous fishes, 37 



Cardita concamerata, peculiarity in the valves 

 of, 581 



C'arex cyperoides, curious fact relating to, 375 



Carlsbad, hot spring of noticed, 568 



Carnivora, fossil, in the valley of the Thames, 

 539 



Cattle, wild, at Chillingham Park, 502 



C'ebus, reference made to, 205 



C'elsia, reference made to, 608 



Centrophorus, Muller and Henle, new genus 

 of cartilaginous fishes, 89 



C'epola rtibescens found on the beach at Teign- 

 mouth, 238 ; notes upon, 214 



Ceratoptera, Muller and Henle, new genus of 

 cartilaginous fishes, 91 



Cercopitheci, remarks upon, 322 



C'ercopithecus Martini, (new species) noticed, 

 330 ; Campbelli, (new species) noticed, 336 



Certoidea, referred to, 657 



Cetacea, dental system of, 651 



CetoniidtE, see Goliathus torquatus 



Chalicomus minutus, H. Von Meyer, new fos- 

 sil mammal, 586 



Chalydra Murchisonii, occurrence of atCEnin- 

 gen, 584 



Chama, spiral disposition of its valves, 583 



Chameleon, new species of, 336 ; on the nervous 

 currents in, 532; cause of the changes of co- 

 lour, 533 



Char, see Sahno alpinus 



Charadrius morinelhis, observations on the La 

 bits of, 295; female specimen of described, 

 304 



