INDEX 



949 



,S t OJ/17'O/i//-.4N7'.S. som'atoblasts (G. 

 soma, body -f- blastos, bud ) , defini- 

 tion of . .' 281 



SOMATOPLASM. som'atoplasm ( G. 

 soma, body -(- plasma,, something 

 moulded) , definition of 99 



SOMATOPLEURE. soh'matoeplure (G. 

 tsoma, body; pleura, side), definition 

 of 25$) 



SOMITE, sob/might (G. soma, body), 



definition of ! . .264 



Metameric, definition of 460 



SOREX VULGARI8, sor'eks (G. 

 hyrax, a shrew-mouse ) 658 



SORI, definition of : . : 224 



SORUS, so'rus (G. soros, a pile) 225 



SOUL, sol (Goth, saiwala, soul), defi- 

 nition of 174 



SPALLANZANI 200, 380 



SPECIES, spe'shiox (L. species, a par- 

 ticular kind) 164 



Definition of 402 



Origin of new 408 



SPECIFIC, spesif'ik (L. species, a par- 

 ticular kind -f- facere, to make ) , defi- 

 tion of 95 



SPELERPES FUSCUS, speler'pez fus'- 

 kus (G. spelaion, a cave + herpein, 

 creep) 738 



SPERM, sperm (G. sperma, seed) 8f> 



S P E R M A R T K S, sper'maries ( G. 



sperma) 86 



Of Hydra 2J8 



SPERMATHECA. sper'mathe'ka (G. 



sperma, seed + theke, a case ) 7-7 / 



Of insect, definition of Ml 



SPERMATIC, spermat'ik (G. sperma, 

 sperm). 



Artery 793 



# PERM A T CYTE8, sper'matosits 

 (G. sperma* seed -f- kytos, hollow), 

 definition of ". 100 



SPERMATOGON1A. sper'm}to!/f/nia 

 (G. sperma, seed -+- yonos, offspring), 

 definition of '. 1 00 



S P E R MATOPHORKS, sper'matr.fr.rs 

 (G. sperma, seed -f- pherein, to 



bear) 276 



Definition of 344, 825 



8PERMATOPHYTEK. aper'matoflt*/ 

 (G. sperma -f- phi/ 1 on, plant), defi- 

 nition of 203. 225 



SPERMATOZOA. sptVinatozf/a (G. 



. sperma -f- zoon. animal), definition 

 of 101 



SPERM-SAC 218 



SPHAEROPH YRA, sforof'ira ( G. 

 sphaira, a ball -)- phyro, to mingle). 155 



SPffAGNALES. sfagna'lez (G. sphaq- 

 nos, a kind of moss), definition of. .215 



ftPffARGIS CORLACEA. sfar'jis kor'- 

 lasea . . .652 



SPHENETHMOID, speneth'moid (G. 

 sphen, wedge -j- cthmos, sieve -j- 

 eidos, form) 72 



UPHENISCIFORMES, sfenis'kifdrm'ez 

 ( G. spheniskos, a wedge -f L. forma ) 425 



Penguins. Flightless marine birds 

 with small, scale-like feathers; wings 

 modified as paddles for swimming; 

 one family. 



8PSENODON PUXCTATUM, afee'noh- 

 don (G. sphen, wedge; odous, tooth ).65t 



SPHENOID, sfee'noid (G. sphen, 

 wedge ) 692 



SPHINCTER MUSCLES, sfing'kter (G. 



sphinggein, to bind tightly) 763 



Definition of 828 



XPIHERWORT, splderwert (name of 

 plant) 22!) 



SPINAL CORD, spl'nal kord ( L. spina, 



+ G. chorde, a cord ) 67 



Cord, cross section of 877 



SPINAL NERVES, spi'nal nervs (L. 

 spina, spine -f- nervus, sinew) ...... 67 



SPINA SCAPULAE, spe'na skapule (L. 

 spina, spine + scapula, shoulder- 

 blade) 704 



SPINDLES, spin'dls (A. S. spinnan, to 

 spin ) 99 



SPINE, spin (L. spina, spine) ... .67. 681 



SPINE, DORSAL, spin' dor'sal (L. 

 spina, spine -f- dorsitm, back) 74 



SPIRACLE, spear'ahkel (or spire'ah- 

 kel) (L. spir<icnluiii, air hole), def- 

 inition of : 329 



Of fishes 766 



Of in.sect t-a r 336 



Of tadpole .549 



SP1RACULUM, spfrak'nlfim ( L. spi- 

 raculum, an airhole), definition of. 729 



SPIRAL TUBES, spi'ral tubs (L. 

 spira, a coil -\- Ititnis, a pipe), defi 

 tion of 234 



SPIRAL VALVES, spT'ral valvs (L. 

 spira, a coil + ralca, a fold), defi- 

 tion of 754 



S P I R E M E STAG K, spl'ri-m ( G . 



speirema, a coil) .97, 99 



Definition of 98 



SPIRILLUM, splril'um (L. spirillum. 

 a small coil) , definition of 190 



SPIRITUALIST, spl'ritiiallat (L. spir- 

 itualis, spiritual), definition of.... 174 



8PIROCHAETA RECURRENTlti, def- 

 inition of 1/f6 



Refringens Uj6 



8PIROCHAETK .PENTIUM. spTroke'ta 

 (G. speira, a coil -f- chaite, a 



bristle) tJ,6 



Plicatilis ////? 



HPIROQYRA, splroji'ra (G. speira -f 

 ffyros, a circle), definition of 20/i 



