476 



Index 



SEMINAL VESICLE 86 



SEMITENDINOSUS semiten'dinosus 

 (L. semi, half + tender -e, to stretch), 



definition of 8S 



SENNA, sen'a (Hind, sena, a name) ..235 

 SENSORY MEMORY, sen'sori mem'ori 

 (L. sensus, sense + memoria, mem- 

 ory) , definition of 179 



SENSU STRICTO 425 



SEPAL, se'pal (G. sepalon, a sepal).. 2^3 

 SEPTA, sep'ta (L. septum, partition), 



definition of 267 



SEPTIBRANGHIA, sep'tibrang'kia (L. 

 septum, partition + G. brangchia, 



gills) 423 



An order of Pelecypoda, 



SEPTIC, definition of 193 



SERIAL HOMOLOGY, se'rial (F. 



seriel, serial) 317 



SEROSA IN INSECTA, seerow'sah (L. 



serum, serum) , definition of 347 



SERRATUS, sera'tus (L. serra, saw). 81 

 SERUM, se'rum (L. serum, serum) ... 62 



SESSILE, ses'il (L. sedere, to sit) 206 



SETAE, se'te (L. seta, bristle) . .260, 284 



SEVERINUS 380 



SEX-LINKAGE, seks ling'kaj (L. 

 sexus, sex + lingula, a small tongue 

 from ligare to bind), definition of. . .169 

 SEXUAL REPRODUCTION, sek'sual 

 reproduk'shun, in Vaucheria (L. 

 sexus, sex + re, again + produoere, 



to bring forth) 208 



SHANK, shank (A. S. scanca, bone of 



leg) , definition of 46, 84 



SHOCK, ANAPHYLACTIC, definition 



of, see anaphylactic 201 



SHORT-HORNED GRASSHOPPER. . .353 

 SIEVE TUBES, siv (A. S. siefe), 



definition of , 231, 236 



SILICA, si'lika (L. silex, flint) 93 



SINUS, si'nus (L. sinus, curve) 285 



Venosus 55, 58 



SIPHONOGLYPHAE, sifonoglif'e (G. 

 siphon, tube + glyphein, to en- 

 grave ) 257 



SIPHONOPHORA 256, 421 



SIPHUNCULATA,. slfungkula'ta (L. 



siphunuculus, a small tube) 425 



An order of Pterygogenea. 



SIPHUN CULOIDEA, sif unkuloid'ia 

 (L. siphunculus, a small tube + G. 

 eidos, shape) , definition of 311 



SIPHUNCULUS NUDUS, sifun'kulus 

 nudus (L. siphunculus, a small tube 

 + nudus, naked ) 312 



SIREN I A, sire'nia (L. siren, a siren 



or mermaid) 429 



Herbivorous, educabilian, placen- 

 tal mammals, having the body fish- 

 like in form with the hind limbs and 

 pelvis more or less atrophied, and the 

 body ending in a horizontal expan- 

 sive tail. 



SKEINS, skans (Ir. Gael, sgain, split) 90 



SKELETON, INTERNAL, skel'eton 

 (G. skeletos, dried, hard) 46 



SKULL, skul (M. E. skulle, the cra- 

 nium ) ... 73 



SOCIOLOGY, sosiol'oji (L. socius, 

 companion + G. logos, discourse) ... 32 



SOL 148 



SOLIFUGAE, solifuje (L. sol, sun + 



fugere, to flee ) 424 



An order of Liipoctena. 



SOMATIC LAYER, sohmat'ik (G. 

 soma, body), definition of 260 



SOMATOBLASTS, som'atoblasts (G. 

 soma, body + blastos, bud), defini- 

 tion of 281 



SOMATOPLASM, somatoplasm (G. 

 soma, body -j- plasma, something 

 moulded ) , definition of 99 



SOMATOPLEURE., soh'matoeplure (G. 

 soma, body; pleura, side), definition 

 of 260 



SOMITE, soh'might (G. soma, body), 

 definition of 265 



SORI, definition of 224 



SORUS, so'rSs (G. soros, a pile) 226 



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

 nition of 175 



SPALLANZANI 207, 380 



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

 ticular kind ) 165 



Definition of 403 



Origin of new 404 



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

 ticular kind + facere, to make), 

 definition of 96 



SPERM, sperm (G. sperma, seed) 86 



S P E R M A R I E S, sper'maries (G. 



sperma) 85 



Of Hydra 249 



SPERMATHECA, sper'mathe'ka (G. 



sperma, seed + theke, a case) 152 



Of insect, definition of 362 



SPERM ATOC YTES, sper'matosits 

 (G. sperma, seed + kytos, hollow, 

 definition of 101 



SPERMATOGONIA, sper'matogo'nia 

 (G. sperma, seed + gonos, offspring), 

 definition of 100 



SPERM ATOPHORES, sper'matofors 

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



bear) 277 



Definition of 345 



