364. GLOSSARY. 
animals which are now placed in separate sub-kingdoms (e.g., the 
Celenterata, Echinodermata, Infusoria, kc.) 
RADIOLARIA (Lat. radius, aray). An order of Rhizopoda. 
Ravius, The innermost of the two bones of the fore-arm of the higher 
Vertebrates. It carries the thumb, or pollex, and corresponds with the 
tibia of the hind-limb. 
RAPTORES (Lat. rapto, I plunder). The order of the Birds of Prey. 
RapProriAL. Applied to animals which live by preying upon other animals. 
RASoRES (Lat. rado, I scrape or scratch). The order of the Scratching 
Birds (Fowls, Pigeons, &c.) 
Reprinta (Lat. repto, I crawl). The class of the Vertebrata comprising 
the Tortoises, Serpents, Lizards, Crocodiles, Xe. 
RETICULUM (Lat, a net). The second stomach of the Ruminants. 
RHIZOPODA (Gr. rhiza, aroot; podes, feet). The division of Protozoa com- 
prising all those which are capable of emitting pseudopodia. 
RopENTIA (Lat. rodo, Ignaw). Anorder of the Mammalia, Often called 
Glires (Lat. glis, a dormouse). 
Rorrrera (Lat. rota, a wheel; fero, I carry). A class of the Scolecida, 
comprising the so-called *‘ Wheel-animalcules.” 
Ruaosa (Lat. rugosus, wrinkled). An extinct order of Corals. 
Rumen (Lat. the throat). The first stomach or ‘‘paunch” of Ruminants. 
RuMINANTIA (Lat. rwminor, I chew the cud), A group of the Hoofed 
Mammalia. 
aac The vertebree which unite with the haunch-bones to form the 
pelvis. 
SARCODE (Gr. sara, flesh ; eidos, form). The jelly-like substance of which 
the bodies of the Protozoa are composed. 
SaRcorp. The separate amceba-like particles which collectively make up 
the ‘‘flesh” of a Sponge. 
SauRopsipa (Gr. sara, lizard ; opsis, appearance). The name given by 
Huxley to the two classes of the Reptiles and Birds collectively. 
SAUROPTERYGIA (Gr. sawra, a lizard; pterwx, a wing). An extinct order 
of Reptiles. 
SAURURA (Gr. saura, alizard; oura, tail). The order of Birds compris- 
ing only the extinct Archwopteryx. 
ScansorES (Lat. scando,I climb). The order of the Climbing Birds (Par- 
rots, Woodpeckers, &c.) 
ScapuLa. The shoulder-blade of Vertebrata. 
ScLEROBASIC (Gr. skleros, hard ; basis, pedestal). The form of coral which 
constitutes a central axis surrounded by the soft parts of the animal 
(e.g., Red Coral). 
ScLERODERMIO. Applied to those corals which are secreted within the 
body of the polypes which produce them. 
SconEcrpa (Gr. skolex, a worm). A division of the Annuloida, 
Soura (Lat. scutum, a shield). Applied to the shield-like integumentary 
plates developed in many Reptiles. 
Sepra. Partitions. 
SERPENTIFORM. Resembling a serpent in shape. 
SERTULARIDA (Lat. sertum, a wreath). An order of the Hydrozoa. 
cs (Lat. sedo, I sit). Not supported upon astalk, but attached by a 
ase, 
SILIcEOuS (Lat. silex, flint). Composed of flint. 
SrpHon (Gr. a tube). Applied to the respiratory tubes of many of the 
Mollusca ; also to other tubes of different functions, 
SrPHoNoPHORA (Gr. siphon, atube; phero,I carry). A sub-class of the 
Hydrozoa. 
