GLOSSARY. 347 



Eb-vebsed'. Applied to spiral univalves, in which the direction of the spiral 



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

 Ehi-zoph'a-sa (Gr. rhisa, root ; phago, I eat). A group of the Marsupials. 

 Khi-zop'o-da (Gr. rAisw, a root ; and yoMS, foot). The division of iVoiozoa 



comprising all those which are capable of emitting pseudopodia. 

 Ehtn'oho-lites (Gr. rhugchos,, heak ; and lUk>s, stone). Beak-shaped fos- 



sUs, consisting of the mandibles of Cephalopoda. 

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



Glires (Lat. gl4s, a dormouse). 

 Eos'tehm (Lat. rostrum,, beak). The "beak" or suctorial organ formed by 



the appendages of the mouth in certain insects. 

 Eo^A.<ro Ei-A (= Eotifera). 

 Eo-tif'e-ka (Lat. rota, wheel ; and fero, I carry\ A class of the ScoUcida 



{Annuloida) characterized by a ciliated " trochal disc." 

 Ed-go'sa (Lat. rugosus, wrinkled). An extinct order of Corals. 

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



minants ; often called the " paunch." 

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

 rupeds ( Uhgmata) which " niminate " or chew the cud. 



Sa'ckum. The vertebrae (usually anchylosed) which unite with the haunch- 

 bones (iUa) to form the pelvis. 



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

 the exterior to the ambulacral system of the EcMnodermata. 



Sab'oode (Gr. earx, 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." 



Sar'coids (Gr. sarx; and eidos, form). The separate amcebiform particles 

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



Sad'ei-a (Gr. saura, a lizard). 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. 



Sau-ro-ba-tra'ohi-a (Gr. sanra ; iatraehos, frog). Sometimes applied to the 

 order of the tailed Amphibians { Urodela). 



Sau-bop'si-da (Gr. saura ; and opsis, appearance). The name given by Hux- 

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



SAU-KOP-TEE-Ye'i-A (Gr. saura; andpterm:, wing). An extinct order of Eep- 

 tiles, called by Huxley Plesiosauria, from the typical genus Hesiosaurus. 



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

 ing only the ArcTueopteryx. 



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

 rots, Woodpeckers, etc.). 



SoA-pHO(}'irA.<rHiTE ((jT. s&aphos, boat; and ^ma^Aos, jaw). The boat-shaped 

 appendage (epipodite) of the second pair of maxilte 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 Ori- 

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

 radials." 



Sole-een'oht-ma (Gr. skleros, hard : and egchuma, 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. 



Solee-o-ba'sio (Gr. skleros, hard ; haeis, pedestal). The coral which is pro- 

 duced by the outer surface of the integument in certain Actinozoa («. a., 

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

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



Solee-o-dee'mio (Gr. shleros; and derma, skin). Applied to the oorallum 

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

 "tissue-secretion" by Mr. Dana. 



BoiiB-BOT'io (Gr. shleros, hard). The outer dense fibrous coat of the eye. 



