932 



INDEX 



NEANDERTHAL MAN 399, 1,00 



NEBULIFERA, nebfilif'era (L. nebula, 

 cloud 4- ferre, bear) 156 



NEGATOR AMERICANUS 303 



tfECROBIOTIC GLANDS, nek'robiot'ik 

 (G. nekros, a dead body -f- bios, 

 life) , definition of 673 



NECTAR, nek' tar (G. nektar, nectar). 364 



Sweet substance secreted by special 

 glands, the nectaries, in plants. 



NECTONEMA AGILE (G. nektos, 

 swimming) 308 



NECTOPHORES, nek'tofors (G. nektos, 

 swimming 4- pherein, to carry ) . . . . 255 



NECTURUS MACULATUS, nectur'us 

 (G. nektos, swimming; oura, tail) .649 



NEENCEPHALON 855 



N EM ATE ELMINTHE8, nem'athel- 

 min'thez (G. nema, thread 4- thel- 

 mins, a worm) 265, 285, 428 



NEMATOCYST, nem'atosist (G. nema, 



thread 4- kystis, bladder) 348 



A stinging cell. 



NEMATOMORPHA (G. nema, thread 

 + morphe, form ) 306, 308, 424, 432 



NEMERTINAE, nemertl'ni (G. nemer- 



tes, true) 306, 424, 432 



A group of worms of uncertain 

 position. 



NEOCERATODUS FOKTERl GJtf 



NEOPALLIUM, ne'opsil'ium (G. neos, 

 young 4- pallium, cloak), definition 

 of 843, 848 



NEORNITHEB, neor'nithez (G. neos, 



new + ornis, bird ) 425 



A sub-class of Aves. Recent. 



NEO8PORFDIA, neosporid'ia (G. neos 



4- spora, seed) 143, 153, 140 



A sub-class of Sporozoa. 



NEOTHALAMUS, neothalTimiis (G. 

 neos 4- tJialamos, a chamber), defini- 

 tion of g51 



NEOTONY, definition of ...648 



NEPHRIDIA, definition of 266 



Views as to relations 807 



NEPHR1DIOPORE, nefrid'iopor (G. 

 nrwhros 4- woros. a passage) . . . 259 



NEPHRIDTUM, nefrld'ium (G. nekros. 

 kidnov) 259 213 



NEPHROSTOME, neff'rowstome (G. 

 nephros, kidney; stoma, mouth)... 

 64, 259. 505 



NEPHROTOME, neff'rowtome (G. 

 nephros, kidney; tome, cutting), defi- 

 nition of 503, 593 



NEREIS PELAGIA, ne'reis (G. nereis, 

 a sea-nymph ) 280 



NERVE ARC, nerv (L. nervus, sinew), 

 definition of 177 



NERVE, artery and vein 58 



Centers 115 



Vagus . 65 



NERVOUS ACTION, experiment of.. 52 1 

 NERVOUS SYSTEM OF FROG .... 65, 66 



Of amphibia ] 



Of aves 



Of fishes .>.. 



Of insects 1-360 



Of mammals 



Of reptiles ... 



NERVURES, ner'vur (L. nervus, 



sinew) .335 



One of the rib-like structures 

 which support the membranous 

 wings of insects. 

 NEURAL, nu'ral (G. neuron, nerve) . . 



Arch 72, 68 1 



Canal 6(5 



Crests 467 



Folds 460, 563 



Groove 460, 563 



Plate 45!) 



Ridge 562 



Tube 466 



NEURENTERIC CANAL, nur'enter'ik 

 (G. neuron, nerve -f- enteron, gut), 



definition of 475 



NEUROBLASTS, nu'roblfistz (G. 



neuron 4- blast os, bud) 280 



Primitive nerve cells. 

 NEUROCHORD, nfi'rokord (G. neuron, 

 nerve 4- chorde, string of gut), defi- 

 nition of 274 



NEUROGLIA, rnVrogltVii, nurog'llfi (G. 



neuron 4- glia, glue) 830 



Supporting tissue of nerve cells 

 and nerve fibers. 

 NEUROLOGY (G. neuron 4- logos). 



definition of 31, 40 



NEUROMASTS, mVromasts (G. neuron 



4- mastos, knoll) 870 



Groups of sensory cells in the lat- 

 eral line of fishes. 

 NEUROMERE (G. neuron 4- meros, a 



4- meros, part) 473, 478 



A spinal segment. 



NEURON (G. neuron, nerve), defini- 

 tion of 114 



NEUROPORE, mVropor (G. neuron 4- 



poros) 466, 474, 565 



The anterior opening of the neu- 

 rocoele to the exterior. 

 NEUROPTERA, mVrop'terfi (G. neuron 



4- pteron, wing) 423 



Animals having wings with a net- 

 work of nervures. 



An order of Neuropteroidea. 

 NEUROPTEROIDEA, nurdpteroi'df'fi 

 (G. neuron, nerve 4- pteron, wing) .423 

 A sub-class of Pterygogenea. 



NEWMAN, H. H 397, 543 



NEWTS 64S 



NICTITATING MEMBRANE, nik'ti- 

 toy'ting (L. nicto, wink) ^5 





