GLOSSARY. 395 



Spores (Gr. spora., eeed). Germs, usually of plants ; in a restriotcd eenae, 

 the reproductive " gemmules" of certain Sponges. 



Spo'ro-sacs (Gr. spora^ seed ; and sah/cos. a ba^). The simple generative buds 

 of certain Hydrozoa^ in which the medusoid structure is not developed. 



Sql'a'ma-ta (Lat. squama^ a scale). The division of Reptiles comprising the 

 Ophidia and Lacertilia in which the integument develops horny scales, but 

 there are no dermal ossifications. 



8tat'o-blast3 (Gr. statos^ stationary ; blastos^ bud). Certain reproductive buds 

 developed in the interior of Fotyzoa^ but not liberated until the death of 

 the parent organism. 



STEfi-AN-oPH-TiiAL'MA-TA (Gr. stegauos^ covered; and opJiihalmos^ the eye). 

 Applied by Edward Forbes to certain Medusce, in which the sense-organs 

 C marginal bodies") are protected by a sort of hood. The Steganojjhihal' 

 mata are now separated from the true Medadda'., and placed in a separate 

 division under the name Luceniarida. 



Stel-leb'i-da (Lat. steUa, starj. Sorautimes applied to designate the order 

 of the Star-fishes. 



Stel'li-fokm. Star-shaped. 



Stesi'ma-ta (Gr. steinma^ garland). The simple eyes, or ^' ocelli," of certain 

 animals, such as Insects, Spiders, and Crustacea. 



Stek'num (Gr. sternon). The breast-bone. 



Stig'ma-ta. The breathing-pores in Insects and Aracluilda. 



Sto'lon (Gr. stolos^ a sending-forth). Ofl-shoots. — The connecting processes 

 of sarcode, in Foraminifera ; the connecting tube in the social Ascldians ; 

 the processes sent out by the ccenosarc of certain Actinozoa. 



Sto-map'o-da (Gr. stoma^ mouth: pous^ foot). An order of Crustacea, 



Stom'a-tode (Gr. stoma; eidos^ form). Possessing a mouth. The Infusoria 

 are thus often called the Stomatode Protozoa. 



Steep-sip'te-ra (Gr. strepho^ 1 twist; and ^^ew/'., wing). An order of In- 

 sects in which the anterior wings are represented b}- twisted rudiments. 



STREPS-i-Rni'NA (Gr. strepho,, I twist; rin^,, nostrils). A group of the Quad- 

 rumana, often spoken of as Prosimim. 



Strob'i-la (Gr. strohilos,, a top, or fir-cone). The adult Tape-worm with its 

 generative segments or proglottides ; also applied to one of the stages ui 

 the life history of the Luceniarida. 



Sty'li-form (Lat. stylus,^ a pointed lustrumeut ; forma,, form), roiatcd in 

 shape. 



Sue-cal-ca'ke-ous. Somewhat calcareous. 



Sub-cen'tral. Nearly central, but not quite. 



Sub-pe-dun'ou-late. Supported upon a very short stem. 



Sue-ses'sile. Nearly sessile, or without a stalk. 



Suc-to'ri-al. 



S u-pi-na'tion (Lat. sypinus^ lying with the face upwar.l). Tiie act of turn- 

 ing the hand with the palm upward. 



Su-pra-<e-so-phag'e-al. 



Su'ture (Lat. suo., I sew). The line of junction of two parts which are im- 

 movably connected together. Applied to the line where the whorls of a 

 univalve shell join one another ; also to the lines made upon the exterioi 

 of the shell of a chambered Cephalopod by the margins of the septa. 



Swim'mer-ets. The limbs of Crustacea,, which are adapted for swimming. 



Sym'phy-sis (Gr. sumpliusis., a growing together). Union oi two bones lu 

 which there is no motion, or but a very limited amount. 



Syn-ap-tig'u-l^ (Gr. sunapto,^ I fasten together). Transverse props some- 

 times found ill Corals, extending across the loculi like the bars of a 

 grate. 



Svs'to-le (Gr. susteUo,, I contract). x\pplied to the contraction of uny con- 

 tractile cavity, especially the heart. 



Tab'u-l^ (Lat. tahula^ a tablet). Horizontal plates or floors found in some 



Corals, extending across the cavity of the " thcca," from side to side. 

 Tac'tile (Lat. tarhyo,, I touch). Connected with the sense of touch. 



