RAISIN 



RATTLE-SNAKE 



Raisin. (nVzin). [Raizin, the French word.] 

 =Dried fruit of the vine. 



Rallidsc, (ral'li-de). [Rallus, q.v.; Gk. eidos, 

 like.] Coots, rails, &c.: a famiJy of birds, 

 belonging to Grallatores. 



Rallus, (ral'lns). [The Latin name.] A bird, 

 the type of Rallidse, q.v. 



Ram, (ram). [The A.-S. name.] l.=Aries, 

 q.v. 2. The male of sheep, &c. Ilydrautie 

 R. . the piston of an hydraulic press. 



Rammelsbergite, (ram-melz-ber'git) = Chlo- 

 anthite, q.v. : a mineral, chiefly arsenide of 

 nickel. 



Ramphastidse, (ram-fas 'ti-de). [Ramphastos, 

 q.v. ; Gk. eidos, like.] Toucans: a family of 

 scansorial birds. 



Ramphastos, ( ram-fas'tos ). [Gk. ramphos, 

 bird's beak.]=Toncan: a scansorial bird, hav- 

 ing a very large beak. 



Ramphorhynchus, ( ram-fo-ringTcus ). [Gk. 

 ramphos, bird's beak; rhygchos, snout.] An 

 extinct flying reptile, known by fossil re- 

 mains found in Middle Oolite and litho- 

 graphic slate rocks; belongs to Pterosauria. 



Rampion, (ram'pion). [L. rapum, rape.]= 

 Phyteuma, q.v.; also =. Campanula rapuu- 

 culus. 



Ramus, (ra'mus). [L. ramus, branch. ]=Half 

 of the mandible, in animals belonging to 

 Mammalia. In Mammalia, articulated with 

 the temporal bone ; in birds and reptiles, 

 articulated with the skull by means of the 

 os quadratum. 



Rana. (ra'na). [The Latin name.] A small 

 animal belonging to Amphibia, unknown in 

 Australia and 8. America. R. bv.fo=Frog. 

 R. botnbina Bombinator. R. ttiugiens=z 

 Bull-frog. 



Ranales, (ra-na'lez). [L. rana, frog.] Plants 

 with mouodichlamydeous flowers, forming a 

 division of Hypogynou Exogens. 



Rancidity, (ran-sid'i-ti). [L. rancidus, rank.] 

 Mustiness: not observed in pure oils or fats. 



Raniceps, (ran'i-seps). [L. rana, frog: caput, 

 head.] Tadpole-fish : a fish belonging to 

 Gadidae. 



Ranunculaceae, ( ra-nun'ku-la-ce-e ). Ranun- 

 culus, q. v. ] = Crowfoots: herbs, acrid and 

 often poisonous, belonging to Ranales, 



Ranunculus, (ra-nun'ku-lus). [L. rana, frog.] 

 = Butter-cup, crowfoot, &c. : an herb, the 

 type of Ranunculaceae. R. acris Crowfoot. 

 R. Jicarut=Pile-wort. R. Zr/igrwa=Serpeut's 

 tongue. 



Rapa, (ra'pa). [The Latin nanie.]=Turnip: a 

 plant belonging to Brassicaceaj. 



Rapaces, (ra-pases). [L. rapax, plundering.] 

 An order of birds made by Milne Edwards= 

 Raptores, q.v. 



Rape, (rap). [Rapum, the Latin name.]= 

 Brassica napus: a plant, resembling the cab- 

 bage. R . oil : from the seeds. 



Rapes, (raps). Broom R. = Orobanchacesc, 

 q.v. Fir .ZJ. =Monotropaceae, q.v. 



Raphanus, (raf'a-nus). [Gk. rha. quickly; 

 phaino, I appear.] = Radish : an herb, with 

 edible root, belonging to Brassicaceai, named 

 from its rapid growth. 

 Raphides, (rafi-dez). [Gk. rhapkis, needle.] 



Crystals found in the cells of some of the 

 higher plants. 



Raphiolepia, ( raf-i-6-lg'pi-a ) = Indian haw- 

 thorn. 



Raptores, (rap-t5'rez). [L. raptor, robber]= 

 Birds of prey: eagles, kites, vultures, &c.; a 

 primary division of birds. 



Raptoria, (rap-to'ri-a). [L. raptor, robber.] 

 =Snatchers : insects belonging to Orthop- 

 tera, including the mantis; not known in 

 England. 



Ra-ra, (ra'ra)=Phytotoma, q.v. 



Ras alagne. [Arab.=Head of the Serpent.] 

 The chief star of the constellation Serpent 

 bearer, 



Rasores, (ra-zo'rez). [L. rado, I scrape.] 

 =Fowls, pigeons, &c. : birds, feeding on 

 seeds, making nests on the ground, and 

 with but feeble powers of flying, v. Gallin- 

 aceous. 



Raspberry, (rasp'ber-ri). [Rasp and Berry. ]= 

 Rubusidasus: A plant belonging to Rosacese. 



Rastegna. A French edible dish, of which 

 the opelet ia the chief constituent. 



Rat, (rat). [Rtet, the A.-S. name.] = Mus 

 rattus, q.v. Kangaroo .R.=:Macropus minor. 

 Musk R. = Ondatra. Russian musk R.= 

 Mygale. R. hare = Lagomys. R. mole = 

 Spalax. 



Ratchet, (rach'et). A circular wheel, with 

 teeth on the circumfer- 

 ence, by which it can 

 be moved or its motion 

 stayed. 



Ratel, (ra'tel) = Melli- 

 vora capensis: a weasel - 

 like animal, belonging 

 to Ursidae; also called 

 Viverra mellivora. 



Ratio, (ra'shi-o). [The 

 Latin word.] The rela- 

 tive values of two quantities of the same 

 kind; the number of times which one con- 

 tains the other. Anharmonic R. ; not liar- 

 harmonic; v. Harmonic R. Harmonic R., 

 v. Harmonic. Inverse R. . when an increase 

 of one quantity produces a decrease of 

 another, as when more power requires less 

 time for a given quantity of Work. 



Ratitae, (rat'i-te). [L. ratis, raft] Birds 

 whose sternum is flat ; cf. Carinatae = Os- 

 triches, emus, &c. ; also called Struthionidse, 

 q.v. 



Rattan, (rat'tan). [Rdtan, the Malay name.] 

 =Calamus: a small variety of the palm tree, 

 the stem of which is used for walking-sticks 

 &c. 



Rattle, (rat'tl). A namo 

 given to some plants 

 from the rattling of the 

 ripe seeds. Red .R.=Pedi- 

 cularis, named from its red 

 flowers. Yellow R. =Rhin- 

 anthus Crista galli, has yel- 

 low flowers. 



Rattle-snake=Crotalus hor- 

 ridus, q.v., found only in 

 America. R. fern = Bo- 

 trychium Virginicum. R. -ecd=Eryngium. 



Ratchet-wheel. 



