SEAL 



299 



SEDGES 



are few below 50 fathoms; noue below 200 

 fathoms. At extreme depths only animals 

 belonging to Protozoa are found. S. anemone 

 =Actinidae. S. 6enr=Otaria.=Phocaursina. 

 /S. blubber: animals belonging to Coelente- 

 rata. S. bream=~Pa.gell\is centrodontus. S. 

 c<z/=Seal. S. caterpillars=Polynoe. S. 

 centipedes=Nereid3e: animals belonging to 

 Errantia. S. c0zo=Trichecus manatus=Ma- 

 natee. S. craz0/tsfc=Palinurus. /S. cucum- 

 6ers=:Pentact83. S. daisy=Bellis. S. devil 

 =Lophius piscatorius. S. ducks=Falig\i- 

 linje. S. c?tts=Trichodesmium. S. eagle, 

 v. Halisetus. S. eg(j=Roo of Echinus: edible. 

 S. /an=Gorgonia, v. Gorgonidse. S. fox, v. 

 Fox-shark. S. /iares=:Aphysia}. S. heatk= 

 Frankenia. S. /iorses=Hippocampidse, S. 

 aZe=Crambe. S. lavender=. Aggregates. S. 

 league=3% miles nearly. S. leinons=Dovidx. 

 S. foie.s=Encrinites: resemble sea-stars and 

 sea-urchins; on long stems fixed to the sea- 

 bottom. S. Zi0tt=Otariajubata. S. lizards 

 =Ena)iosauria. S, {0acA=Rock ling=Mus- 

 tella vulgaris, 6 to IS feeb long. S. mat= 

 Flustra. <S. mice = Aphroditacere. S. mile 

 =Knot=6082 feet. S. moss=Bryozoa. S. 

 mouse, v. S. mice. S. nest=Holtenia Car- 

 penter! : a siliceous sponge, somewhat like a 

 bird's nest in form. S. nettles: belong to Ac- 

 tinias, q.v. S. oMer=Lutra marina. S. pens: 

 animals belonging to Actinozoa. S. pink= 

 Armeria. S. reecZ=Marram grass. S. rocket 

 =Cakile: a plant belonging to Brassicacerc. 

 S. s/irw&s Gorgonidse. S. sluys=:Opistho- 

 branchiata, which have shells when young. 

 S. snaii=:Liparis. S. spicto-s=:Pantopoda. 

 S. swallows=T6Tna. S. unicorn= Narwhal. 

 S. wc/tts=Echinidea. S. weeds=Algse. S. 

 ?<n/e=Acantholabrus Yarellii. S. -willow, v. 

 Gorgonia. S. woman, v. Fata morgana. S. 

 worms: belong to Errantia, q.v, S. wracks= 

 Zosteracese: also=Fucacea9. 

 Seal, (sel). [Seol, the A.-S. name.]=:Phoca: 

 a carnivorous aquatic animal belonging to 

 Pinnigrada. 

 Snouted S. '~ 

 Sea elephant= 

 Phoca leonina. 

 = Phoci- : 



Sealing-wax. A 

 mixture of shel- 

 lac,turpentine, 

 &c. 



Seasons. Spring: Seal. 



when the sun passes through Aries, Taurus, 

 and Gemini. Summer: when the sun is 

 highest at noon, and passes through Cancer, 

 Leo, and Virgo. Autumn: when the sun 

 passes through Libra, Scorpio, and Sagit- 

 tarius. "Winter: when the sun is lowest at 

 noon, and p:tsses through Capricorn, Aqua- 

 rius, and Pisces, v. Zodiac. 



Sebaceous glands, (se-ba'se-us). [L. sebum, 

 tallow.] Connected with the hair; secreting 

 fatty matter. 



Sebacic acid, (se-btVsik). [L. sebum, tallow.] 

 =CioHig04: obtained from olein. 



Sebastes, (se-bas'tes). A fish belonging to 



Secant. 



Acanthopterygii. S. Norvegicus = Norway 



haddock. 



Sebetens=Cordiacese, g.v. 

 Secale, (se-kfi'le). [The Latin name.] A grass- 

 plant belonging to Grarninacese. S, cereale 



=Rye. 

 Secant, (se'kant). [L. seco, I cut.] 1. In any 



right-angled triangle 



the secant of any one 



of the angles is the 



ratio of the hypo- 



thenuse to the side 



joining the angle with 



the right angle, e.g., 



CD , . 



= secant of angle 



AU 



DCA. 2. Generally, 

 any cutting line. 



Secondary. S. acids: derived from organic 

 acids by the substitution of two equiva- 

 lents of an alcoholic radicle for two of 

 hydrogen. S. battery: a number of metal 

 plates, usually platinum, with pieces of 

 moistened cloth between, which, after being 

 connected for a time with a galvanic bat- 

 tery, become in turn the origin of a current. 

 <S. colours: orange, green, purple. S. cur- 

 rents: 1. In voltaic battery, smaller currents 

 within the battery ; 2. Induced currents, 

 q.v. S. notes: softer notes produced when a 

 musical note is sounded. S. sra<a=Meso- 

 zoic=Cretaceous, Jurassic, and Triassic; ori- 

 ginally used for all aqueous and fossiliferous 

 strata; not found iu any oceanic island, 

 except New Zealand. 



Secretary-bird = Gypogeranus serpentarius, 

 q.v. 



Secretions, (se-k're'- 

 shunz). [L. secerno, 

 I separate.] Sali- 

 vary S., v. Saliva. 

 Gastric S., v. Gas- 

 tric juice. Pan- 

 creatic S., v. Pan- 

 creatic fluid. Renal 

 S.: of urine, by the 

 kidneys. Skin S. 

 =Perspiration ; the 

 last two are also 

 called excretions. 



Sectility, (sek-til'i- 

 ti). [L. seco, I cut.] 

 easily cut into slices. 



Sector, (sek'tor). [The Latin word.] 1. An 



instrument for geometri- D c 



cal drawing. 2. The por- /*< St 

 tion of a circle included / \ / \ 

 between two radii. / \ / \ 



Sectorial teeth=Dens car- I V 



nassiers = Cutting teeth. 1 A ] 



Secular, (sek'u-lar). [Secu- \ / 



laris, the Latin word.] \v / 



Periodical; occui'ring at ^ 



or through long intervals CAB, sector. 

 of time. 



Sedge, (sej). [Se.cg, the A.-S. name.]=Carex: 

 q.v. S. ?octr&/e?-=Salicariaphragnutis: found 

 near river sides. 



Sedses=Cyperace;e, q.v. 



Secretary-bird. 

 The property of being 



