512 



INDEX TO VOL. XIX. 



AcALLES, new species of, 146. 

 Acallopais, characters of the new 



genus, 147. 

 Acarina, on the power possessed by 



certai'n, of living without food, 



270. 

 Acharadria larynx, observations on, 



151. 

 Acirsa, new species of, 241. 

 Acontias, new species of, 313. 

 Adams, A. L., on gigantic Land- 

 Tortoises from the ossiferous ca- 

 verns of Malta, 267; on remains 



of the Mammoth from Northern 



Spain, 268. 

 jEthalochroa, description of the new 



genus, 308. 

 Aganippe, characters of the new 



genus, 28. 

 Aglophus, new species of, 409. 

 Amphiplatys, new species of, 406, 

 Amychus, new species of, 478. 

 Analophus, characters of the new 



genus, 423. 

 Anaphe, new species of, 462. 

 Anguillula intestinalis, observations 



on, 350. 

 Annelida, on a new type of, 390. 

 Antedon rosaceus, on the structure, 



physiology, and development of, 



180. 

 Araneidea, new genera and species 



of, 26. 

 Argynnis, new species of, 93. 

 Ascodictyon, description of the new 



genus, 463. 

 Astrseopora, new species of, 416. 

 Atrax, characters of the new genus, 



26. 

 Augusta, characters of the new genus, 



36. 

 Barbus, new species of, 312. 

 Bavay, M.,on Anguillula intestinalis, 



350. 

 Bdelloidina aggregata, description of, 



201. 

 Betarmon, new species of, 407. 



Birds, on the British fossil Creta- 

 ceous, 260 ; on the distribution of, 

 in North Russia, 277. 



Blattidae, new, 117. 



Books, new: — Heywood's Primaeval 

 Worldof Switzerland, 174; Wood- 

 ward's Geology of England and 

 Wales, 179 ; Moseuthal and Har- 

 ting's Ostriches and Ostrich-farm- 

 ing, 257 ; Vanden Broeck's Fora- 

 minifera of Barbadoes, 260 ; Hay- 

 den's Geological and Geographical 

 Siu-vey of Colorado, 425 ; Nichol- 

 son's Ancient Life-History of the 

 Earth, 505. 



Brachytria, new species of, 423. 



Bradya tergestina, notes on, 64. 



Broeckia, description of the new 

 genus, 390. 



Brown, J. A. H., on the distribution 

 of Birds in North Russia, 277, 



Briiggemann, Dr. F., on the stony 

 corals in the collection of the 

 British Museum, 415. 



Bulimus, on the vitality of some 

 species of, 355. 



BuUar, J., on hermophroditism among 

 the parasitic Isopoda, 254. 



BuUer, Dr., on a new species of 

 Naultinus, 200. 



Butler, A. G., on new Rhopalocera 

 from Japan and Shanghai, 91 ; on 

 new Homopterous Insects, 311 ; 

 on new species of Cleis, 393 ; on 

 new African and Australian Lepi- 

 doptera, 458. 



Cadulus, new species of, 156, 



Callida, new species of, 316. 



Cambridge, Rev. O. P., on new 

 genera and species of Araneidea, 

 26. 



Carbonnier, M., on the Gom-ami and 

 its nest, 274. 



Carlia, new species of, 413. 



Carpenter, Dr. W. B., on the struc- 

 ture, physiology, and development 

 of Antedon rosaceus, 180. 



