444 



INDEX TO VOL. IV. 



AcHTHOPHORA, iiew species of, 204. 

 ^pyornis, on the natural affinities 



of, 437. 

 ^thopyga, new species of, 436. 

 ^tlira, new species of, 2-30. 

 Agelasta, new species of, 204. 

 Alauda, new species of, 330. 

 Amphibian, on a new I^ahyrintho- 

 dont, from the Northumberland 

 Coal-tield, 182, 270. 

 Animal mechanics, on some elemen- 

 tary principles in, 282. 

 Anisomera, new species of, 375. 

 Annelid, on a new hermaphrodite 



Chretopod, 73. 

 Anobium, new species of, 319. 

 Anolis auratus, observations on, 273. 

 Anthores, on the genus, 210. 

 Anthracosaurus Kusselli, on some 



remains of, 184, 270. 

 Aphanapteryx, on bones of the, 129. 

 Arachnechthra, new species of, 436. 

 Archagaricon, description of the ge- 

 nus, 22-3. 

 Ai'ctus, new species of, 229. 

 Artemia, new species of, 334. 

 Ascidia, on the parasitic Crustacea 



of, 137. 

 Asclera, new species of, 379. 

 Asterophyllites, on the structure and 



affinities of the, 12J. 

 Atimia, new species of, 385, 

 Atthey, T., on a new Labyrintho- 

 dont Amphibian from (lie North- 

 umberland (bal-field, 182, 270: 

 on fossil Fungi from the black 

 shale of the Northumberland Co.al- 

 licld, 221 ; on the gciieric identity 

 of Clima.\odus and Janassa, 322. 

 Bacteria, on the origin and increase 



of, 294. 

 Bambeke, C. van, on the develop- 

 ment of Pelobates fuse us, 364. 

 Barkiis, T. P., on llcptile remains 



and Climaxddus, 4''>H. 

 Basitiif)])hora, description of the new 



genus, 21!). 

 Beania mii-abilis, occuiTenee of, at 

 Kastbourne, 29.3, nt Slumklin, 357. 



Beaver, on the white-toothed Ameri- 

 can, 293. 



Bembidium, new species of, 305. 



Bernhard-Meyer, A., on the poison- 

 glands of Callophis intestinalis and 

 C. bivirgatus, 74. 



Bidard, M., on the structure of the 

 tlower of the Graminere, 134. 



Billings, E., on the structure of the 

 Blastoidea, 76. 



Birds, new, 108, 329, 436. 



Blackwall, J., on a new species of 

 Epeira, 398. 



Blanford, W. T., on new birds and a 

 a hare from Abyssinia, 329. 



Blastoidea, on the structm-e of the, 

 76. 



Blood-corpuscle of oviparous Yerte- 

 brata, on the structure of the red, 

 09. 



Bouizzi, Dr. P., on the reproduction 

 of Pholcus phalangioides, 296. 



Books, new :■ — Ilincks's British Ily- 

 droid Zoophytes, 277 ; Gwyu Jef- 

 freys's British Conchology, 279 ; 

 Eyton's Geology- of North Shrop- 

 shire, 356 ; Bailv's Characteristic 

 British Fossils, 357. 



Borlasia, new species of, 136. 



Bradypus tridactylus, on the myo- 

 logy of, 51. 



Branchipus, new species of, 338. 



]}uchholz,lv., on the Crustacea which 



live parasitically in Ascidia, 137. 

 Bustard, on the Cestoid worms of 



the, 47. 

 Butler, A. G., on new species of 

 Callidryas, 202 ; on new species of 

 Diurnal Lepidoptera, 242. 

 Butterflies, new, trom tropical Ame- 

 rica, 163. 

 Cfccili.ie, on the, 138. 

 Calamites, on the structure and affi- 

 nities of the, 124, 272. 

 Callicore, new species of, 176. 

 Callidrvas, new species of. 202. 

 Calliuema, description of the new 



genus, 161. 

 Callithea, new species of, 179. 



