USED IN NATURAL HISTORY. 



101 



of more than two thousand feet 

 in height. A mountain chain, is a 

 series of mountains having a con- 

 tinuous base. A hill is merely a 

 small mountain. 



MOTA. Sp. Mud poured out from 

 volcanoes during eruptions. 



MUCEDI'NE.E. Lat. plur. Moulds. 



MU'CJLAGE. A mixture of gum and 

 water. 



MUCOS'ITT. A fluid which resem- 

 bles mucus, or contains a certain 

 quantity of it. 



Mu'cous. Belonging or relating to 

 mucus. 



Mu CRO/VATE. fr. lat. mucro, a sharp 

 pom.:. Ending in a sharp, rigid 

 point, (p. 35, Book vii). 



MUCHONA'TUS. Lat. Mucronate. 



Pointed ; sharp-pointed. 



MUCRO'NULATE. Having a little 

 hard point. 



Mu'cus, Animal mucilage. A pe- 

 culiar fluid secreted by mucous 

 membranes. 



MUGIL Lat. A mullet. 



MUGILOI'DES. fr. lat. niugil, a mul- 

 let, and Gr. eidos, resemblance. 

 Systematic name of a family of 

 fishes. 



MULCH. To place manure about the 

 roots of trees on the surface of 

 the ground. 



MULCT. Fr. A kind of field-mouse. 



MULLOI'DES. fr. lat. mullus, a bar- 

 bel, a red-mullet, and gr. eidos. re- 

 semblance. Systematic name of 

 a family of fishes. 



MUL'LUS. Lat. A barbel, a red- 

 mullet. 



MULTI FA' RIOUS. Arranged in many 

 rows: very numerous. 



MULTILO'CULAR. fr. lat. vnultus, 



many; loculus, a lodge. Many- 

 chambered ; consisting of several 

 divisions. 



MULTIPA'RTITE. fr. lat. multus, ma- 

 ny ; pars, partis, a part. Having 

 very deep and very distinct divi- 

 sions, (fig. 56, p. 43, Book vii). 



MUL'TIPLEX. Much multiplied. 



MU'LTIVALVE. fr. lat. multus, many ; 



valvce, valves. Composed of seve- 

 ral, or more than two calcareous 

 pieces or valves. 



MURJE'NA. fr. gr. muraina, a kind 

 of fish resembling an eel. Syste 

 matic name of eels 



MUR^E'NJE. Lat. plur. of muraena. 



MU'RAL. fr. lat. murus, a wall. Be- 

 longing or relating to a wall. 



MU'REX. Lat. A shell-fish. A ge- 

 nus of univalve mollusks. 



MURICA'TA. Lat. Full of sharp 

 prickles or points. 



MU'RICATED. Clothed with short, 

 sharp spines. 



MURICATO-HISPID. Covered with 

 short, sharp points, and rigid hairs 

 or bristles. 



Mu'RiCES.^-Lat. plur. of murex. 



MU'RIFORM. Wall-like. 



Mus. Lat. A mouse. 



MUS'CA. Lat. Fly, 



MUSCHELKALK. fr. ger. muschel, a 

 shell ; kalk, lime. Shell limestone, 

 (p. 50, Book viii). 



Mu'sci. Lat. plur. Mosses. 



MUSCI'PULA. Lat. A fly or mouse 

 trap. 



MUSCICA'PA. fr. lat. musca, a fly, 

 capio, I seize. Fly-catcher. 



Musci'ii. fr. lat. musca, a fly, and 

 Gr. eidos, resemblance. A section 

 or division of the class of insects, 

 which includes flies. 



MUSCLE. An organ of motion ; the 

 flesh of animals. Fleshy fibres 

 capable of contraction and relaxa 

 tion. 



MU'SCULAR. Belonging or relating 

 to muscle. Muscular impressions, 

 are those indented marks in ace- 

 phalous bivalves, which indicate 

 the insertion of those muscles by 

 which the animal is attached to 

 its shell. 



MUS'CULUS. Lat. A little mouse. 



MUSK. An animal substance of a 

 very diffusible odour, bitter tasto, 

 and deep brown colour. It is 

 used as a medicine and perfume 

 The name of an animal. 



MU'SSEL. A bivalve mollusk. 



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