648 GLOSSARY. 



Soo-LEo'i-DA (Gr. slsolex, worm). A division of the Annuloida. 



Soo'iEX (Gr. for worm). The emhryonio stage of a Tape-worm, formerly 

 known as a " Cystic Worm." ,,,.,, . „ 



Sod'ta (Lat. scutum, a shield). Applied to any shield-lite plates ; especially 

 to those which are developed in the integument of many Eeptiles. 



Se-la'ohi-a or Se-la'ohi-i (Gr. selacTios, a cartilaginous fish, prohahly a shark). 

 The suh-order of Masmoiranehii, comprising the Sharks and Dog-fishes. 



Se'pi-o-staire (Lat. and Gr. sepia, the outtle-flsh.) The internal shell of the 

 Cuttle-fish, commonly known as the " cuttle-hone." ^ 



Sep'ta. Partitions. 



See-pen'ti-foem. Eesemhling a serpent in shape. 



Sbe-tit-lae'i-da (Lat. sertum, a wreath). An order of KyArozoa. 



Ses'sile (Lat. seieo, I sit). Not supported upon a stalk or peduncle ; attached 

 hy a hase. 



Se't^ (Lat. for bristles). Bristles, or long stiff' hairs. 



Se-tie'ee-ous. Supporting bristles., 



SE-Tio'EB-ons (= Setiferous), 



Se'tose. Bristly. 



Si-lic'eods (Lat.. site, flint). Composed of flint. 



Sin'is-teal (Lat. sinistra, the left hand). Left-handed ; applied to the di- 

 rection of the spiral in certain shells, whioh are said to be " reversed." 



Si'nds (Lat. sirms, a bay). A dilated vein or blood-reoeptaole. 



Si'pHoir (Gr. siphon, a tube). Applied to the respiratory tubes in the Mol- 

 lusca ; also to other tubes of different functions. 



Si-paoN-opH'o-BA (Gr. siphon ; and phero, I carry). A division of the Hyiro- 

 zoa, comprising the Oceanic forms ( Calycophomd<B and Physophoridm). 



Si-phon-o-stom'a-ta (Gr. siphon; ands^oma, mouth). The division of Gaster- 

 opodous Molluscs, in which the aperture of the shell is not " entire," but 

 possesses a notch or tube for the emission of the respiratory siphon. „ 



Si-phon'olb (Lat. siphuneuhis, a little tube). The tube which connects to- 

 gether the various chambers of the shell of certain Cephalopoda («. g., the 

 Pearly Nautilus). 



Si-phok-cd-loi'de-a (Lat. siphunculus, a little siphon). A class of Anarthirop- 

 oda (Annulosa). 



Si-eb'iti-a (Gr. seiren, a mermaid). The order of Mammalia comprising the 

 Dugongs and Manatees. 



Soi/-iD-rai'oii-LA (Lat. soUdus, solid ; nngula, a hoof). The group of Hoofed 

 Quadrupeds comprising the Horse, Ass, and Zebra, in which each foot has 

 only a sinrfe solid hoof. Often called Solipedia. 



So-mat'io (Gr. soma, body). Connected with the bodv. 



So-mat'o-otst (Gr. soma ; and hustia, a cyst). A peculiar cavity in the coeno- 

 sarc of the Calycophoridm (Hydrozoa). 



So'mite (Gr. soma). A single segment in the body of an Articulate animal. 



Spee-ma bi-hm. The organ in whicli spermatozoa are produced. 



Spee-mat'o-phobes (Gr. sperma, seed ; phero, I carry). The cylindriSal cap- 

 sules of the Cephalopoda, which carry th« spermatozoa ; sometimes called 

 the " moving filaments of Needham." 



Spee-ma-to-zo a (Gr. sperma, seed ; and zoon, animal). The microscopic fila- 

 ments which form the essential generative element of the male. 



Spi'otr-LA (Lat. spiculum,, a point). Pointed needle-shaped bodies. 



Spin'ueb-bts. The organs by means of whioh Spiders and Caterpillars spin 

 threads, 



Spi'ka-clbs (Lat. spiro, I breathe). The breathing-pores, or apertures of the 

 breathing-tubes (trachese) of Insects. Also the smgle nostril of the Hag- 

 fishes, the " blow-hole " of Cetaceans, etc. 



Splanoh-ho-skel'e-ton (Gr. splagohna, viscera ; sheleios, dry). The hard 

 structures occasionally developed in connection with the internal organs or 

 viscera. 



Sposge-pab'ti-oles. (See Sarcoids). 



Spou'ai-iiA (Gr. spoggos, a sponge). The division of Protozoa commonly 

 known as sponges. 



