GLOSSARY. 649 



Sposes (Gr. apora, seed). Germs, visually of plants ; in a restricted eense, 

 the reproductive " gemmules" of certain Sponges. 



Spo'eo-sacs (Gr. spora, seed ; and adkTcoSj a bag). The simple generative buds 

 of certain Mfdroaoa, in which the medusoid structure is not developed, 



Saui'MA-TA (Lat. sqvamMj a scale). The division of Reptiles comprising the 

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

 there are no dermal ossifications. 



Stat'o-blasts (Gr. statos, stationaiy ; ilastoa, bad). Certain reproductive buds 

 developed in the interior of JPolyzoa, but not liberated until the death of 

 the parSnt organism. 



Steg-ah-oph-thal'ma-ta (Gr. steganoa, covered ; and opTithahnoa, the eye). 

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

 C'^marginal bodies") are protected by a sort of hood. The Steganophthal- 

 mata are now separated from the true Medaaidie, and placed in a separate 

 division under the name Lucernarida. 



Stel-leb'i-da (Lat. atella, star). Sometimes applied to designate the order 

 of the Star-flshes. 



Stel'li-fobm. Star-shaped. 



Stbm'ma-ta (Gr. atemma, garland). The simple eyes, or " ocelli," of certain 

 animals, such as Insects, Spiders, and Crustacea. 



Stee'kdm (Gr. stemon). The breast-bone. 



Stig'ma-ta. The breathing-pores in Jnaeda and Arachnida. 



Sto'lon ^Gr. atolos, a sendmg-forth). Off-shoots. — The connecting processes 

 of sarcode, in Foramimfera ; the connecting tube in the social Aaeidiana ; 

 the processes sent out by the ooenosarc of certain Actinozoa. 



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



Stom'a-tode (Gr. stoma ; eidoa, form). Possessing a mouth. The Inftieoria 

 are thus often called the Stomatode Protozoa. 



Stebp-sip'te-ba (Gr. strepho, I twist ; and pteron, wing). An order of In- 

 sects in which the anterior wings are represented by twisted rudiments. 



Stkeps-i-ehi'na (Gr. strepTiO, I twist ; rinea, nostrils). A group of the Quad- 

 rumana, often spoken of as Proawmce. 



Stbob'i-ia (Gr. atrobiloa, a top, or flr-oone). The adult Tape-worm with its 

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

 the life history of the Lucernarida. 



Stt'li-fobm (Lat. atyhia, a pointed instrument ; forma, form). Pointed in 

 shape. 



Sub-oal-oa'ee-ous. Somewhat calcareous. 



Sub-oen'teal. Nearly central, but not quite. 



StJE-PE-DTDi'on-LATE. Supported upon a very short stem. 



SuB-SEs'siLB. Nearly sessile, or without a stalk. 



Suo-to'ei-ai,. ,, ~, .. j.^ 



Su-pi-na'tion (Lat. avpinua, lying with the face upward). The act of turn- 

 ing the hand with the palm upward. 



Su-pea-ce-so-phao'e-al. 



So'tdee (Lat. auo, 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 exterior 

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



SwiM^MEE-ETS. Thc Hmbs of Crustacea, which are adapted for swimming. 



Sym'phy-sis (Gr. sumphusis, a growing together). Union of two bones m 

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



Stn-ap-tto'd-i.^ (Gr. mnapto, I fasten together). Transverse props some- 

 times found in Corals, extending across the loouli like the bars of a 



8y¥t(^le (Gr. suatello, I contract). Applied to the contraction of any con- 

 tractile cavity, especially the heart. 



Tab'u-i.^ (Lat. tabula, a tablet). Horizontal plates or floors found in some 



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

 Tao'tile (Lat. tango, I touch). Connected with the sense of touch. 



