SIPHONACEJE 



305 



SLIVEE 



one arm longer than the other. S. barometer: 

 one in which the tube is bent upwards. 



Siphonaceae, (sT-fon-il'se-e). [Siphon, q.v.] A 

 sub-division of Algee, q.v. 



Siphonia, (si-fo'ni-a). 1. A sponge-like zoo- 

 phyte. 2. A plant belonging to Euphorbiaceaa. 

 S. elastica = India-rubber tree : resembles 

 ash-tree in appearance, found only iii the 

 lowlands of the river Amazon. 



Siphonophora, (sl-fon-ofo-ra). [Gk. siphon, 

 tube; phoreo, I carry.] A primary division 

 of Hydrozoa. 



Siphonops, (si'fon-ops). [Gk. siphon, tube ; 

 ops, face.] A snake-like batrachian animal. 



Siphonostoma, (si-fon-os'to-ma). [Gk. siphon, 

 tube; stoma, mouth.] A sub-divisiou of 

 suctorial crustacean animals. 



Siphonostomata, (sl-fon-o-sto'ma-ta). [Gk. 

 siphon, tube.] Carnivorous, marine, mol- 

 luscous animals, having the shell prolonged, 

 more or less, into a tube. cf. Holostomata. 



Sipping. S. insecs=Lepidoptera. 



Sipunculidae Sipunculoidea, q.v. 



Sipunculoidea, (si-pun-ku-loi'de-a). , [Sipun- 

 culus, q.v.\ Gk. eidos, form.] A sub-division 

 of Eehinodermata. 



Sipunculus, (si-pun'ku-lus). [Gk. siphon, 

 tube.] A leech-like animal belonging to 

 Annelida. 



Siredon, (sl-re'don) = Axolotl, q.v. S. pisci- 

 /orie=:Mexican axolotl. 



Siren, (si'ren). [Gk. seiren, mermaid.] 1. 

 An eel-like reptile resembling a fish, 2 or 3 

 feet long, with feet for fins. 2.=Syren, q.v. 



Sirenia, (sl-re'ni-a). [Gk. seiren, mermaid.] 

 Siren, g.v.=Dugong, Manatee, <fec.: herba- 

 ceous cetacean animals, of which the type is 

 the dugong, from the name of which (Hali- 

 core=Sea maiden) comes the term siren ia. 



Siricidae, (si-ris'i-de). [Sirex, q.v.] A family 

 of insects, belonging to Hymenoptera, in- 

 cluding the wasps. 



Sirius, (sirl-us). [The Latin name. ^Dog- 

 star: in Canis Major, the brightest star in 

 the heavens: once red, now green, discovered 

 in 18(52 to have a satellite star; is three 

 times as bright as an ordinary sun star. 



Sirocco, (si-rok'k5). [The Italian name.] A 

 hot moist wind, blowing from Africa over 

 Sicily, &c. 



Sisitote, (sis'i-tot). A black and orange bird 

 of Nicaragua. 



Siskin, (sis'kin). [Siska, the Swedish name.] 

 =Fringilla spinus: a small singing bird; 

 also called Aberdevine. 



Sison. A plant belonging to Apiaceae. S. 

 amomum=Hoi\e-vfOTt. 



Sisymbrium, ( si-sim'bri-um ). [The Latin 

 narne.]=Hedge-mustard: an herb, with yel- 

 low flower, belonging to Brassicacese. iS. 

 a^icma=Garlic mustard. S. ms=Londou 

 rocket. S. 0#ici7iaZe=Bauk-cress. 



Sisyrinchium, (sis-i-ring'ki-um). [Gk. sisyra, 

 hairy.] A plant belonging to Iridaceae. 



Sitta, (sit'ta). [The Latin name.] A bird be- 

 longing to Certhidse, a family of Insessores. 

 S. Suropcea=^\i thatch. 



Sium, (si'um). Water parsnips : a plant be- 

 longing to Apiacese. 



Sivatherium, (siv-a-thS'ri-um). [Siva, a Hin- 

 doo deity; Gk. thcrion, beast.] A large four- 

 horned antelope, known by fossil remains 

 found in Pliocene rocks of Hindostan. 



Six's thermometer. A self-registering ther- 

 mometer, v. Miller-Casella Thermometer. 



Sixth, In music, the interval between any 

 note and the fifth note above it. 



Size, (siz). [W. syth, glue.] A variety of 

 gelatin obtained from skins; used as glue 

 and in painting. 



Skate, (skat). [L. squatina.] = Raia batis: 

 a fish belonging to 

 Raiidae. } 



Skeat, (sket). [The 

 Arabic name.] A '-. 

 star=/3 Pegasi. 



Skeleton, (skel'e- 

 ton). [Gk. skele- 

 ton, a dried body.] 

 1. The bones and 

 cartilages forming Skate. 



the hard portion and framework of a verte- 

 brate body. 2. Skia hardened into bony plates. 



Skimmer. A bird=Rynchops nigra. 



Skin, (skin). [Scinn, the A.-S. word.] Also 

 called Integument: a tough membrane cover- 

 ing every part of the body; divided into two 

 lasers, called Dermis and Epidermis. 



Skin animals. Oken's term for worms. S. 

 ato-s=Dermestidae, q.v. S. plants=T)Qr~ 

 matophytes=: Feathers. 



Skink, (skink)=:Scincus, q.v. 



Skua gull=Lestris cataractes: a bird belong- 

 ing to Laridse, nearly extinct. 



Skull, (skul). Four vertebrae, greatly modi- 

 fied, forming a bony case which encloses the 

 brain. S. cap=Scutellaria, q.v. 



Skulpin, (skul'pin)=Callionymus lyra: a fish 

 belonging to Gobiidse. 



Skunk=Mephitis, q.v. 



Sky. S. Ja?-=A]auda, q.v. 



Slag, (slag). (Slagg, the 

 Swedish word.] 1. The 

 dross left in the process, 

 of refining metals. 2. 

 Viti'ified cinders, v. Sco- 

 ria. 



Slaked. S. Zime=Hydrate 

 of calcium : a light powder, formed by the 

 addition of water to lime. 



Slate, (slat). [Sclate, the O.-B. word.] A 

 clayey rock, which splits into thin leaves. 

 Generally, any rock which has a laminar 

 structure. 



Slaters. Small crustacean animals belonging 

 to Isopoda. Box S. = Idothea. Rock S.= 

 Ligia. Water S.=Aaelli. 



Sleet, (slet). [Sliht, the A.-S. word.] Snow 

 flakes that have fallen through moist air. 



Slickensides, (slik'en-sidz). The smooth sur- 

 faces of a fissure, polished by friction. 



Slide-rule. A mathematical instrument, one 

 part of which slides upon the other, by 

 which problems in the elementary rules of 

 arithmetic can be solved. 



Sliver, (sll'ver). [A.-S. slifan, to split.] A 

 long thin piece of anything: especially of 

 cotton or wool when being spun. 



