GLOSSARY. 349 



Spobes (Gr. spora, seed). Germs, usually of plants ; in a restricted sense, 

 the reproductive " gemmules " of certain Sponges. 



Spo'bo-saos (Gr. s^fwa, seed ; and saJios, a bag). The simple generative buds 

 of certain M/droeoa, in which the medusoid structure is not developed. 



Squa'ma-ta (Lat. squama, a scale). The division of Eeptiles comprising the 

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

 there are no dermal ossifications. 



Stat'o-blasts (Gr. sioios, stationary ; Stofcs, hud). Certain reproductive buds 

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

 the parent organism. 



Steq-ak-oph-thai.'ma^'A (Gr. steganos, covered ; and opTitlidhnos, the eye). 

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

 ("^marginal bodies") are protected by a sort of hood. The SteganopMhal- 

 tnata are now separated from the true Medusidm, and placed in a separate 

 division under the name Liicernarida. 



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

 of the Star-fishes. 



Stei'li-eokm. Star-shaped. 



Stem'ma-ta (Gr. stemma, 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 Arachnida. 



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

 of sarcode, in Foramimfm'a ; the connecting tube in the social Asoidians ; 

 the processes sent out by the coenosaro of certain Actinozoa. 



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



STOM'AyrODE (Gr. siomay eidos, form). Possessing a mouth. The /m/Ksori'a 

 are thus often called the Stomatode Protozoa. 



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

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



STEEPa-i-EHi'iTA (Gr. strepho, I twist ; rines, nostrils). A group of the Quad- 

 rumana, often spoken of as Prosmdm. 



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

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

 the life history of the Imoemarida. 



Stt'li-foem (Lat. stylus, a pointed iastrument ; forma, form). Pointed in 

 shape. 



Sdb-oai-oa'ke-ous. Somewhat calcareous. 



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



Shb-pe-diin'od-late. Supported upon a very short stem. 



SuB-sEs'siLE. Nearly sessile, or without a stalk. 



Sdo-to'ei-al. 



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

 ing the hand with the palm upward. 



Su-pea-<e-so-pha»'e-al. 



Su'tdbb (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 exterior 

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



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



Stm'phy-sis (Gr. sumpTiusis, a growing together). Union of two bones in 

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



STK-AP-Tio'tJ-LiE (Gr. simapto, I fasten together). Transverse props some- 

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

 grate. 



Stb'to-le (Gr. sustello^ I contract). Applied to the contraction of any con- 

 tractile cavity, especially the heart. 



Tab'ij-l.si (Lat. tabula, a tablet). Horizontal plates or floors found in some 



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

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

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