472 



Index. 



Natural History. — Sea lilies, 1; 

 swan mussel, 67 ; instincts and habits 

 of bees, 94 ; hermaphrodite bees, 

 145 ; ephemera, the May fly, 147 ; 

 rhinoceros of Bhotan, 170 ; entozoa, 

 190 ; habits of the diadem spider, 

 285 ; new silkworm, 305 ; mimetic 

 analogy, 308 ; an Indian building 

 insect, 314 ; domestication of animals 



I in the middle ages, 318 ; parasites of 

 the cockroach, 337 ; insects that de- 

 stroy wood carving, 352 ; habits of 

 the caplin, 386 ; habits of storm 

 petrel, 386 ; small rodents of north- 

 west America, 417 ; great water- 

 beetle, 422. 



Natural history of entozoa, 190. 



Natural theology, its scope and func- 

 tion, 363. 



Nebulae, Herschel's catalogue of, 446. 



Nebulae, notes on, 108. 



Nebulse, physical characters of, 346. 



Nebular hypothesis, newlights upon, 399. 



Neckam's Natural History, 321. 



Nematodes, parasitic on the cockroach 

 342. 



Neocrinus, physiology of, 10. 



Nervous system of swan mussel, 73. 



New source of ozone, 306. 



New sources of silk, 305. 



New telescope stand, 146. 



New telescopes by Steinheil, 144. 



New variable star, 306. 



New Zealand fauna, 143. 



New Zealand, lake basins, of, 461. 



" Nile problem," not settled, 383. 



Nile, sources of, 382. 



Nitrogen, properties of, 429. 



Normandy, ancient pottery of, 125. 



North-west lunar hmb, 204, 257. 



Notes on small rodents, 417. 



Notitia TJtriusque Imperii, 374. 



Nova Scotia, kitchen middens at, 306. 



Nyassa, lake of, 303, 382. 



Nyctotherus ovalis, a parasite of the 

 cockroach, 340. 



Nyctotherus velox, a parasite of the 

 centipede, 340. 



Objectives, deep, Mr. Brooke on, 51, 

 128. 



Observatory, substitute for, 444. 



Odours attract bees, 100. 



Odours moderate radiation, 167. 



Opium, alkaloids of, 225. 



Order of creation as represented in 

 geology, 26. 



Organic chemistry,' knowledge of, im- 

 portant in microscopy, 433. 



Organic chemistry, notes for micros- 

 copists, 428. 



Organization as related to heat, 163. 

 Oriole in the Moluccas, 309. 

 Otago, geology of, 460, 464. 

 Othona, site of, 374. 

 Otis houbara, the florikan, 173. 

 Ova of Dyticus marginalis, 424. 

 Oxalate of chromium, crystals of, 441. 

 Oxydation, nature of, 433. 

 Oxyuris macrura, a parasite of the cock- 

 roach, 341. 

 Ozone, new source of, 306. 



Paleozoic rocks'in England, 15. 

 Pancakes of ice, how formed, 409. 

 Paper daguerreotypes, 291. 

 Parasites of the cockroach, 337. 

 Parasites, notes on, 190. 

 Parrots in mediaeval mansions, 322. 

 Parthenogenesis, theory of, 138. 

 Pegasus, constellation of, 118. 

 Pegasi (star£), spectrum of, 395. 

 Pelopceus Madraspatanus, 314. 

 Pentacrinus decorus, 7. 

 Peronospora, species of, 32. 

 Petrel, habits of, 386. 

 Photographic failures, 294. 

 Physical analysis of the human breath, 



226. 

 Physiology of insects, 426. 

 Physics, as related to microscopy, '44. 

 Pika, an American rodent, 418. 

 Pilobolus crystallinus, 254. 

 Planetary nebulae, researches on, 400. 

 Planets, atmospheres of, 465. 

 Planets, chemistry of, 392. 

 Platinum, surface action of, 77. 

 Poisoning with tobacco, 225. 

 Polarized light, novel use of, 466. 

 Pollux, physical character of, 396. 

 Polyzoa, place of, in zoology, 366. 

 Po tamogetonpectinatus in Lake Nyassa, 



382. 

 Potato murrain caused by peronospora, 



37. 

 Potters' marks, ancient, 231. 

 Pottery, Anglo-Saxon, 119. 

 Pottery of the Romans, 227. 

 Pouchet on fission of animalcules, 66. 

 Powell and Lealand's l-50th, 276. 

 Pressure, effects of, on solids, 464. 

 Pressure, effects of, on water, 169. 

 Prcehistoric dinner service, 457. 

 Pringsheim, researches of, on spores of 



alga;, 31. 

 Production and waste of money, 269. 

 Prolonged sleep and abstinence, 385. 

 Proposed solar eye-piece, 306. 

 Protococcus of the Alps, 167. 

 Ptilinus pectinicornis, a destroyer of 



wood carvings, 352. 

 Pulowch in Malayan peninsula, 4C3. 



