444 



INDEX TO VOL. IV. 



AcHTHOPHORA, new species of, 204. 



^pyornis, on the natural affinities 

 of, 437. 



^thopyga, new species of, 436. 



^tlira, new species of, 230. 



Agelasta, new species of, 204. 

 ■ y , ,, Alauda, new species of, 330. 

 ^M'*"- Amphibian, on a new Labyrintho- 

 dont, from the Northumberland 

 Coal-field, 182, 270. 



Animal mechanics, on some elemen- 

 tary principles in, 282. 



Anisomera, new species of, 375. 



Annelid, on a new hermaphrodite 

 Chsetopod, 73. 



Anobium, new species of, 319. 



Anolis auratus, observations on, 273. 



Anthores, on the genus, 210. 



Anthracosaurus Russelli, on some 

 remains of, 184, 270. 



Aphanapteryx, on bones of the, 129. 



Arachnechthra, new species of, 436. 



Ai'chagaricon, description of the ge- 

 nus, 223. 



Arctus, 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, 124. 



Atimia, new species of, 385. 



Atthey, T., on a new Labyrintho- 

 dont Amphibian from the North- 

 umberland Coal-field, 182, 270; 

 on fossil Fungi from the black 

 shale of the Northumberland Coal- 

 field, 221 ; on the generic identity 

 of Climaxodus and Janassa, 322. 



Bacteria, on the origin and increase 

 of, 294. 



Bambeke, C. van, on the develop- 

 ment of Pelobates fuscus, 364. 



Barkas, T. P., on Reptile remains 

 and Climaxodus, 438. 



Basidiophora, description of the new 

 genus, 219. 



Beania mirabilis, occurrence of, at 

 Eastbom'ne, 293, at Shanklin, 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 

 flower of the Graminese, 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 Verte- 

 brata, on the structure of the red, 

 69. 



Bonizzi, Dr. P., on the reproduction 

 of Pholcus phalangioides, 296. 



Books, new : — Hincks's British Hy- 

 droid Zoophytes, 277 ; Gwyn Jef- 

 freys's British Conchology, 279 j 

 Eyton's Geology of North Shrop- 

 shire, 356 ; Baily's Characteristic 

 British Fossils, 357. 



Borlasia, new species of, 136. 



Bradypus tridactylus, on the myo- 

 logy of, 51. 



Branchipus, new species of, 338. — 



Buchholz,R., 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, from tropical Ame- 

 rica, 163. 



Csecilife, on the, 138. 



Calamites, on the structure and affi- 

 nities of the, 124, 272. 

 Callicore, new species of, 1 76. 

 Callidryas, new species of, 202. 



Callinema, description of the new 



genus, 161. 

 Callithea, new species of, 179. 



