30-i GLOSSARY. 



bco-LEo']-DA (Gr. skol\v, worm). A division of the Anauloida. 



Sco'lex (G-r. for worm). The embryonic atuLre of a Tape-worm, formerly 



known as a " Cystic Worm." 

 Sou'ta (Lat. scutum^ a shield). Applied to any shield-like plates ; especially 



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

 6e-la'chi-a or Se-la'chi-i (Gr. selachos^ a cartilaginous fish, probably a shark). 



Tiie sub-order oi Elasinohraachii^ comprising the Sharks and Dog-lishes. 

 Se'pi-o-staire (Lat. and Gr. sepia^ the cuttle-fish.) The internal shell of the 



Cuttle-fish, commonly known as the "■ cuttle-bone." 

 Sep'ta. Partitions. 



Ser-pen'ti-form. Resembling a serpent in shape. 

 Ser-tl'-lae'i-da (Lat. sertum. a wreath). An order of Hyrlrozoa. 

 Ses'sile {Lat. sedeo^ I sit). Not supported upon a stalk or peduncle ; attached 



by a base. 

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

 Se-tif'er-ous. Supporting bristles. 

 Se-tig'ee-ous (= Setiferous). 

 Setose. Bristly. 



Si-lio'eous (Lat. silex, fiint). Composed of fiint. 



Sin'is-tral (Lat. .si/;^5^/'a, the left hand). Left-handed; applied to the di- 

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

 Si'nus (Lat. slnus^ a bay). A dilated vein or blood-receptacle. 

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



lusca ; also to other tubes of different functions. 

 Si-phon-oph'o-ra (Gr. siphon. ; a.ndphero, 1 carry). A division of the Hydro- 



zoa^ comprising the Oceanic forms {Cali/cophoridcE- and Physophorldi:!^-). 

 Si-fhon-o-stom'a-ta {Gr. sipho/i ; andstoma^ mouth). The division of G-ast'^r- 



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-phun'cle (Lat. siphunoidus^ a little tube). The tune which connects to- 



f ether the various chambers of the shell of certain Cephalopoda (e. (/., the 

 early Nautilus). 



Si-ph[tn-cu-loi'de-a (Lat. slphunculus^ a little siphon). A class of Anarthrop- 

 oda (Aiiitalosa). 



Si-re'ni-a fGr. sttrcii, a mermaid). The order of Mammalia comprising the 

 Dugongs and ^Lmatees. 



Sol-id-un'gu-la (Lat. solidus^ solid; u/n/ula^ a hoof). The group of Hoofed 

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

 only a single solid hoof. Often called SoUpedia. 



So-mat'io (Gr. soina^ body). Connected with the body. 



So-mat'o-cyst (Gr. so7na / and hmtis., a cyst). A peculiar cavity in the cceno- 

 sarc of the' Galycophoridix. {Hydrozoa). 



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



Sper-ma ri-um. The organ in which spermatozoa are produced. 



Sper-mat'o-phores (Gr. sperma., seed; ^j/icy-o, I carry i. Tiie cylindrical cap- 

 sules of the Cephalopoda^ which carry tho spermatozoa ; sometimes called 

 the " moving filaments of Needham." 



Sper-wa-to-zo A _(Gr. spevma^ seed ; and zo"n^ animal). The microscopic fila- 

 ments which form the essential generative element of the male. 



Spi'cu-la (Lat. spiculum^ a point). Pointed needle-shaped bodies. 



Spin'ner-ets. The organs by means of which Spiders and Caterpillars spin 

 threads. 



Sj'i'ra-oles (Lat. spiro^ I breathe). The breutliing-pores, or apertures of the 

 breathing-tubes ftracheic) of lusects. Also the single nostril of the Hao-- 

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



Speanch-no-3KEl'e-ton (Gr. splagGkna, viscera ; skeletns, dry). The bard 

 structures occasionally developed in contiectioa with the internal oni-aus or 

 viscera. " 



Sponge-par'ti-cles. (S^e Sarcoids). 



Spof^'ar-DA ((4r. spoffgos^ a sponge). The division of Protozoa commonly 

 known as sponges. 



