GLOSSARY. 647 



Ee-veesed'. Applied to spiral univelves, in wliioh the direction of the spiral 

 IS the reverse of the normal — i. e., sinistral. 



Ehi-zoph'a-6a (Gr. rhiza, root ; phage, I eat). A group of the Marsupials. 



Khi-zop'o-da (Gr. rMza, a root ; and pous, foot). The division of I>roto?oa 

 conaprising all those which are capable of emitting pseudqpodia. 



Ehtn'cho-lites (Gr. rhugckos, beak; and lithos, stone). Beak-shaped fos- 

 sils, consisting of the mandibles of Cephalopoda. 



Eo-den'ti-a (Lat. rodx), I gnaw). An order of the Mammals ; often called 

 Gliree (Lat. glis, a dormouse). 



Eos'tkum t^Lat. rostrwm, beak). The "beak" or suctorial organ foi-med by 

 the appendages of the mouth in certain insects. 



Eo-TA-^o Bi-A (= Eotifera). 



Eo-tif'e-ba (Lat. rota, wheel ; and fero, I carry). A class of the ScoUdda 

 (Annuhida) characterized by a ciliated " trochal disc." 



Eu-Go'sA (Lat. rugosus, -wrinkled). An extinct order of Corals. 



Eu'mes- (Lat. for the throat). The first cavity of the complex stomach of Eu- 

 minants ; often called the " paunch." 



Ed-mi-kan'ti-a (Lat. ruminor, I chew the cud). The group of Hoofed Quad- 

 rupeds ( Ungulata) which " ruminate " or chew the cud. 



Sa'oecm. The vertebras (usually anchylosed) which unite with the haunch- 

 bones (iUa) to form the pelvis. 



Sand-oa-nal (= Stone-ca-itai.). The tube by which water is conveyed from 

 the exterior to the ambulacral system of the Echinodermata. 



Sak'oode (Gr. sarx,, flesh ; eidos, form). The jelly-like substance of which 

 the bodies of Protozoa are^ composed. It is an albuminous body containing 

 oil-granules, and is sometimes called " animal protoplasm." 



Sae' coins (Gr. sarx ; and eidos, form). The separate amoebiform particles 

 which in the aggregate make up the "flesh" of a Sponge. 



Sau'ki-a (Gr. saura, a nzard). Any lizard-like Eeptile is often spoken of as 

 a " Saurian ; " but the term is sometimes restricted to the Crocodiles alone, 

 or to the Crocodiles and Lacertilians. 



Saxt-eo-ba-^tea'chi-a (Gr. saura ; iatrachos, frog). Sometimes applied to the 

 order of the tailed Amphibians ( Vrodela). 



Sad-eop'si-da (Gr. saura ; and apsis, appearance). The name given by Hux- 

 ley to the two classes of the Birds and Reptiles collectively. 



Sau-eop-tee-tg'i-a (Gr. saura; und pterux, wing). An extinct order of Eep- 

 tiles, called by Huxley Pledosauria, from the topical genus Flesiosaurus. 



Sau-eu'e^ ('Gr. saura ; and owra, taU). The extinct order of Birds compris- 

 ing only the Archjxopteryx. 



Soan-so'ees (Lat. scando, 1 climb). The order of the Climbing Birds (Par- 

 rots, Woodpeckers, etc.). 



ScA-PHoa'NA.^HiTE (Gr. skaphoa, boat ; and gnathos, jaw). The boat-shaped 

 appendage (epipodite) of the second pair of maxillae in the Lobster ; the 

 function of which is to spoon out the water from the branchial chamber. 



SoAp'u-LA (Lat. for shoulder-blade). The shoulder-blade of the pectoral arch 

 of Vertebrates : in a restricted sense, the row of plates in the cup of Cri- 

 noids, which give origin to the arms, and are usually called the " axillary 

 radials." 



SoLE-EEjt'cHT-MA (Gr. shUros, hard ; and egcJtuma, tissue). The calcareous 

 tissue of which a coral is composed. 



Sole'eites (Gr. shleros). The calcareous spicules which are scattered in the 

 soft tissues of certain Actinozoa. 



Soleb-o-ba'sio (Gr. skleros, hard ; hasif, pedeijtal). The coral which is pro- 



■ duced by the outer surface of the integument in certain Actinozoa (e. a.. 

 Bed Coral), and forms a solid axis which is invested by the soft parts of the 

 animal. It is called " foot-secretion" by Mr. Dana. 



Solee-o-deh'mio (Gr. shleros ; and derma, skm). Apphed to the corallum 

 which is deposited within the tissues of certain Actinozoa, and is called 

 " tissue-secretion " by Mr. Dana. 



Solb-eot'io (Gr. skleros, hard). The outer dense fibrous coat of tue eye. 



