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A GLOSSARY OF TERMS 



MAMMIL'LARY. fr. lat. mammilla, a 

 little nipple. Studded over with 

 small rounded projections. 



MAMMOTH. An extinct animal of 

 the family of proboscidiana. 



MANATr." Lat. plur. of manatus. 



MAN'ATUS Lat. A genus of mam- 

 mals. The lamantin. 



MAN'DIHLE. fr. lat. mandibulum, a 

 jaw. Applied to the lower jaw 

 of mammals, and to both jaws of 

 birds. In insects it is applied to 

 the upper or anterior pair of 

 jaws ; the inferior are termed 

 maxillcE or true jaws. 



Af ANDI'BULATE fr. lat. mandibulum, 

 a jaw. Having the mouth fur- 

 nished with mandibles, or jaws, 

 adapted for biting and bruising; 

 applied to certain insects. 



MANIUJCA'TION. fr. lat. manduco, I 

 chew. The act of chewing; mas- 

 tication. 



MANTEL'LIA. A genus of fossil cy- 

 ca'dea>, named in honour of Mr. 

 Mantell. 



MAN'TLE. The external, soft, con- 

 tractile skin, of mollusks which 

 covers the viscera and a .great 

 part of the body, like a cloak. 



MANYPLIES. The third stomach of 

 ruminating animals. 



MARHLE. A term applied to every 

 limestone which is finely coloured 

 and capable of receiving a high 

 polish, or of being worked into 

 statuary. 



MARCE'SCENT. fr. lat. marceo, I wi- 

 ther. Applied to leaves that wi- 

 ther before they fall. 



MA'RGARETI'FERA. fr. lat. margari- 

 tum, a pearl ; fero, I bear. Pearl- 

 bearing. 



MA'RGIN. The whole circumfer- 

 ence or outline of the shell in bi- 

 valves. 



MA'RGIJTATEI). Having a promi- 

 nent, margin or border. 



MARIXE. fr. lat. mare, the sea. Re- 

 lating to the sea. Marine conglo- 

 merates are deposits formed of 

 sand thrown by the sea upon its 



shores, mixed with the remains 

 of shells and corals, which are 

 agglutinated by a calcareous ce- 

 ment. 



MAHI'NUS. Lat. Marine; of the 

 sea. 



MAIUTI'MTTS. Lat. Maritime. Grow- 

 ing near the sea. 



MAKL. Argillaceous carbonate of 

 lime. There are several varie- 

 ties of marl. 



MARSU'PIAI,. fr. lat. marsupium, a 

 pouch. Any animal having a pe- 

 culiar pouch in front, or on the 

 abdomen. 



MARSUPIA'LTA. 7 fr- lat- marsupium, a 



MARSUPIA'TA. 3 purse, pouch or 

 bag. Marsupials. Animals that 

 have on the anterior surface of 

 the body, a pouch, formed of the 

 skin, for the accommodation of 

 their young. 



MARTES. Lat. A marten ; a ferret. 



MAR'TIAL. Fr. Mars, the god of 

 war. Applied to preparations of 

 iron. 



MASSIVE. Applied to minerals 



which have a crystalline struc- 

 ture, but not a regular form. 



MASTICA'TION. fr. gr. mastichao, I 

 chew. The act of chewing food, 

 to impregnate it with saliva, and 

 prepare it for the digestion it has 

 to undergo in the stomach. 



MAS'TICATORT. fr. gr. mastichao, I 

 chew. Relating to mastication, or 

 the act of chewing the food. 



MASTI'VUS. Lat. fr. it. mastino, a 

 large dog. The mastiff. 



MAS'TODOX. fr. gr. mastos, a nipple ; 

 odous, tooth. A genus of exiinct 

 quadrupeds allied to the elephant. 



MASTO'ID. fr. gr. mastos, a nipple ; 

 eidos, resemblance. A process or 

 projection of the temporal bone, 

 (behind the ear,) is so called, on 

 account of its shape. 



MA'TER. Lat. Mother. Protector. 



MATH. An old term for crop. 



MA'TRIX. Lat. The stony substance 

 in which metallic ores and crys- 

 talline minerals are imbedded. 



