452 



INDEX TO VOL. VII. 



AcABNiJS iNNOMLXATUS, obsena- 

 tions on, 273. 



Accentor, new species of, 2oG. 



Acremonium, new species of, 432. 



Actiniae, on the structure of the, 437. 



Agametis, new species of, 207. 



Agulhasia Davidsonii, description of, 

 109. 



Amblvstoma, on the metamorphoses 

 of, 24(3. 



Amphipleura pellucida, obsen-ations 

 on, 423. 



Anisothyris, new species of, 105. 



Annelids, on the organization of 

 Oligochfetous, 90, 173. 



Anodon, new species of, 103. 



Ajithracosaurus Euselli, on a mandi- 

 bular ramus of, 73. 



Araclmopus, new species of, 2o8. 



Aralia spinosa, on the flowers of, 

 31 o. 



Archichthys sulcidens, on some re- 

 mains of, 79. 



Arctopithecus, new species of, 302. 



Articulata, physico-chemical inves- 

 tigations on the aquatic, 302. 



Asaphus platycephalus, on the sup- 

 posed legs of, 306, 451. 



Astarte, on the assumption of the 

 adult form by certain species of 

 the genus, 171, 245. 



Atax, on the species of, parasitic on 

 our freshwater Mussels, 55. 



Ateles Bartletti, observations on, 

 18, 103. 



Atthey, T., on a mandibular ramus 

 of Anthracosaunis Russelli ; with 

 notes on Loxomma and Arcliich- 

 thys, 73 ; on Dipterus and Ctono- 

 dus, and on their relationship to 

 Ceratodus Forsteri, 190. 



Aulorhipis, description of the new 

 genus, 302. 



Baillon, II., on the development of 

 the leaves of the Sarraceniaj, 448. 



Bartsch, S., on the Rotatoria, .304. 



Batrachia, on the structure of the 

 crania of, 07. 



Beccaria, description of the new ge- 

 nus, .391. 



Bell, A., on the Invertebrata of 



Massachusetts, 172; on the Crag- 

 fauna, 351. 



Berkeley, Rev. M. J., on British 

 Fungi, 425. 



Bessels, E., on the species of Atax 

 parasitic on our freshwater Mus- 

 sels, 55. 



Beyrich, Prof., on the base of the 

 Crinoidea bracliiata, 393. 



Billings, E., on the structure of the 

 Crinoidea, Cystidea, and Blastoi- 

 dea, 142. 



Birds, new, 241, 256, 257, 340. 



Blastoidea, on the sti-ucture of the, 

 142. 



Books, new : — Natural - Histoiy 

 Transactions of Northumberland 

 and Durham, vol. iii. part 2, 106; 

 Cardiff Naturalists' Society Trans- 

 actions, 1808-1870, 167; Morris 

 and Jones's Geology, 168 ; Nichol- 

 son's Manual of Zoology and Text- 

 book of Zoolog}', 169 ; Godman's 

 Natural History of the Azores, 

 242 ; Carnoy's Recherches sur les 

 Champignons, 292 ; Rymer Jones's 

 Animal Kingdom, 4th ed., 296; 

 Munn's IIoney-Bee, 369 ; Stave- 

 ley's British Insects, 370 ; Nichol- 

 son's Introductory Text-book of 

 Zoolog}', 371. 



Bradv, II., on Saccammina Carteri, 

 177. 



Bradypus, on the order of develop- 

 ment of the dentition of, 451. 



Brimoda, description of the new ge- 

 nus, 219. 



Broome, C. E., on British Fungi, 425. 



Bro'svn, Dr. R., on Arctic Zoology, 

 64 ; on new species of Oaks from 

 North-west America, 249. 



Bryozoa, observations on marine,4o0. 



Burmeister, Dr. 11., on Saurocetes 

 argentinus, 51, 



Butler, A. G., on the habitat of Dia- 

 dema octocula, 447. 



Butterflies, new species of, from 

 Tropical America, 412. 



Calamites, on the organization of 

 the, 299. 



Callidon, on the new genus, 368. 



