SCOLIOPLEURA. 



[ G84 ] SEBACEOUS FOLLICLES. 



BiBL. Leveille, Ann. Sc. N. 2. xx. 218; 

 Berkeley, Hort. Jn. iii. 97 ; Fries, Su7n. 

 Veg. All. 



SCOLIOPLEU'EA, Grunow.— A genus 

 of Diatoinacese. Frustules those of Na- 

 vicula or rinmdaria, with the median line 

 and hoop curved. 



BiBL. Grunow, Wien. Verh. 18G0; 

 Rahenh. Alq. i. 228. 



SCOLOP'EN'DRIUM, Smith, Tlares- 

 tongue. — A genus of Scolopendriese (Poly- 

 podiaceous Ferns), represented by the indi- 

 genous species Sc. vulgare (fig. 221, p. 319). 



SCOLOPENDRIE'^. — A family of 

 Polypodiaceous Ferns ; containing the single 

 genus Scolopendvium. 



SCRUPA'RIA, Hincks.— A genus of 

 Eucratiidfe (Polyzoa). »S'. clavata, on other 

 Polyzoa. (Hincks, Polyz. 21.) 



SCRUPOCELLA'RiA, Van Beneden 

 {Cellularia, Johust., pt.). — A genus of Chei- 

 lostomatous Polyzoa, of the family Cellula- 

 riidse. 



Char. Cells with a vibraculum behind, 

 and a sessile avicularium at the upper and 

 outer angle; orifice spinous. Five species. 



S. scniposa. Cells without an operculum. 

 Common on Algfe, &c. 



8. scrupea. Cells with a stalked reniform 

 operculum. 



BiBL. Johnston, Br. Zooph. 3-36 ; Busk, 

 Ann. jV. H. 1851, vii. 83; Hincks, Polyz. 

 43. 



SCUTELLID'IUM, Claus.— A genus of 

 Copepoda. 2 species, on Laminaria. (Brady, 

 Copep. ii. 175.) 



SCUTOVER'TEX, Mich.— A genus of 

 Oribatidfe (Acarina), allied to Eremaius. 

 S. sculptiis, brown-black. (Michael, Jn. Mic. 

 Soc. 1879, ii. 241 ; 1880, 177.) 



SCU'TULA, Tula-ne.— A genus of Coc- 

 cocarpese (Gymnocarpoua Lichens), para- 

 sitic, found upon Peltigera canina. 



BiBL. Tulasne, Ann. Sc. Nat. 3. xvii. 118; 

 Lindsay, Qu. Mic. Jn. 1869, 140. 



SCYPHID'IA, Duj.— A genus of Peri- 

 trichous Infusoria, family Vorticellina. 



Char. Body oblong or campanulate, nar- 

 rowed at the base, which is very contractile, 

 covered with a reticular integument. 



S. rugosa (PI. 31. tig. 74). Body with 

 oblique stripe or rugre, not numerous; 

 freshwater; length 1-550". Four other 

 species. 



BiBL. Clap. & Each. //i/. 116; Kent, Inf. 

 658. 



SCYP'IHUS, Koch.— A genus of Trom- 

 bidina (Acarina). S. diversicolor, very 



minute, in damp moss, under decaying 

 leaves Sec. 



SCYTO'MONAS, Stein.— A genus of 

 Flagellate Infusoria. Free, ovate, form 

 persistent, flagellum single, no mouth. S. 

 pusilla ; freshwater ; ' lengthl-1600" . (Kent, 

 Inf. 241.) 



"SCYTONE'MA, Berk.— A genus of Os- 

 cillatoriaceae (Confervoid Algse), especially 

 distinguished by the mode of branching of 

 the filaments. We can only make out with 

 certainty one British species of the genus as 

 now restricted, <S'. Myochrous (PI. 8. fig. 19), 

 which grows in alpine bogs and rivulets, 

 and is composed of decumbent filaments 

 interwoven into a dark- brown stratum. 



BiBL. Harvey, Br. Alg. 1. 155 ; Hassall, 

 Alg. 235, pi. 68 ; Kiitz. Sp. Alg. 303, Tab. 

 Phyc. 



Fig. 634. 



Gompound sebaceous eland, from the nose, opening 

 upon the surface with a hair-folliele. a, b, e, as in the 

 next figure; (i, lobules of the compound gland ; e, hair- 

 follicle (root-sheath) ; /, the hair. 



Magnified 50 diameters. 



SEBACEOUS FOLLICLESoR 

 GLANDS. — These organs exist pretty 



