GLOSSARY. 



363 



class of low polyp-like animals 

 that form colonies, or compound 

 animals composed of a great num- 

 ber of individuals. 



Porif era (" pore-bearing"), a class of 

 protozoan animals, including the 

 sponges. 



Prima'tes (pi.) ("first" or " highest"), 

 an order of mammals, including 

 the most highly developed species, 

 such as the lemurs, apes, and man. 



Proboscid'ea (pi.) (" having a trunk"), 

 a group of subungulate mammals 

 having a long prehensile nose 

 (trunk or proboscis), as the ele- 

 phant. 



Protozo'a (pi.) (" first animals"), the 

 name of the lowest forms of animal 

 life. 



Pter'opods (" wing-footed"), an order 

 of moliusks that have wing like 

 expansions of the foot, which serve 

 as swimming organs. 



Pu'pa, the third stage of existence of 

 an insect. 



Quadru'mana (pi.) (" four-handed"), 

 four-handed mammals, as apes. 



(Juad'ruped ("four-footed"), an ani- 

 mal having four feet. 



Radia'ta (pi.) (" rayed"), marine ani- 

 mals whose structure is radiate. 

 The term is now used as a descrip- 

 tive one, and many authorities do 

 not recognize it as the name of any 

 group of animals. 



Radiola'ria (pi.) (" small-rayed"), a 

 class of minute oceanic protozoa 

 having flinty skeletons. In some 

 places there are large masses of 

 rock made up mainly of the flinty 

 remains of fossil Radiolaria. 



Rati'tae (pi.) (" raft-like"), an order of 

 birds which have no keel upon the 

 breast-bone, including the ostrich, 

 rhea, apteryx, cassowary, emeu, 

 and several extinct birds, many of 

 them very large. 



Reptil'ia (pi.) (" crawlers"), the class 



of vertebrata that includes croco- 

 diles, lizards, frogs, and snakes. 



Reticula'ria (pi.) (''netted"), nearly 

 the same as Foraminilera. 



Rhizop'oda (pi.) (" root -footed"), a 

 class of protozoans of very low and 

 primitive type, so named from the 

 root-like processes by which some 

 of the species are attached, or by 

 which they move about. 



Roden'tia (pi.) (" gnawing animals"), 

 an order of mammals with chisel- 

 shaped incisors (front teeth) adapt- 

 ed for gnawing, as rabbits, rats, 

 mice, squirrels, gophers, beavers, 

 porcupines. 



Rotifera (pi.) ("wheel-bearers"), a 

 class of animalcules with disk-like 

 bodies. 



Sau'ria (pi.) ("lizards"), a group of 

 reptiles that includes lizards, croco- 

 diles, etc. 



Sire'nia (" sea - nymphs," "mer- 

 maids"), an order of herbivorous 

 marine mammals, including the 

 dugong, the manatee, and the ex- 

 tinct stellerine. 



Stomap'oda (pi.) (" mouth-footed "), an 

 order of crustaceans having the 

 feet placed around or near the 

 mouth. 



Subungula'ta (pi.) (" slightly hoofed"), 

 a group of mammals usually placed 

 among the Ungulata, but not hav- 

 ing complete hoofs, including the 

 hyrax, elephant, etc., most of the 

 species being extinct. 



Tax'idermy ("arrangement of skins"), 

 the art of preparing, stuffing, and 

 mounting the skins of animals and 

 birds. 



Taxon'omy (" law of arrangement"), 

 the classification of organisms; 

 the systematic and natural ar- 

 rangement of animals and 

 plants. 



Teleos'teans (pi.) (" completely 

 I boned"), a subclass of fishes having 



