USED IN NATURAL HISTORY. 



29 



BUC'CAL. fr. lat. bucca, cheek. Be- 

 longing or relating to the cheeks. 



BUC'CINA. Lat. Plur. of Biicciruim. 



BUCCIXOI'DKS. fr. lat. buccinum, a 

 horn, and I'r. gr.eit/os, resemblance. 

 Systematic name of a family of 

 shells, the characters of which 

 resemble those of the Buccinnm. 



BUC'CINUM. Lat. A trumpet or 

 horn. Name of a genus of mol- 

 lusks. (p. 90, Book viii). 



BU'CEROS. fr. lat. bucerus, horned. 

 The systematic name of the Ca- 

 laos or hornbills. 



BU'CHII. The name of Von Bucli 

 latinized. 



BUCKLA'JJDII. Specific name of cer- 

 tain fossils, given in honour of 

 the geologist, Dr. Buckland. 



B0D. The residence of the infant 

 leaf and flower. 



BU'FO. Lat. A toad. 



BU'FONJTK A fossil fish. 



BULB. fr. gr. bolbos, a round root. 

 A name given by anatomists, to 

 various parts which resemble cer- 

 tain bulbous roots in shape. A 

 collection of fleshy scales ar- 

 ranged like those of a bud, of 

 which the bulb is a slight modifi- 

 cation, separating spontaneously 

 from the stem to which it belongs, 

 and emitting roots from its base. 

 For example, the roots of the 

 onion, of the,tulip, &c. 



BU'LBOUS Resembling a bulb. 



BULBOTU'BER A short, roundish 

 underground stem, resembling a 

 bulb. 



BUL'BUS. Lat. A bulb. Bulbus 

 glandulosus, is the second stomach 

 of birds. 



BULGING. Swollen out. 



BU'LLATE. Of a bli^ered appear- 

 ance. 



BUXGA'RUS. Lat. The generic name 

 of the Rock-snakes. 



BTNTER SASUSTKIN. A fine-grained 

 solid sandstone. 



BUPHA'GA. fr. gr. bous, an ox ; pha- 

 gein. to eat. Systematic name of 

 a genus of birds ; the beef-eaters. 



BUPRE'STES. Lat. Noxious insocts. 

 Certain beetles. 



BURR, or BUHR STOXE. A nearly 

 pure siliceous rock in which cal- 

 careous and other matters, origi- 

 nally forming part of it, has been 

 parted with and become replaced 

 by silica, so that the casts of fos- 

 sils are perfectly preserved in it. 



BUTEO. Lat. A Buzzard. 



BYSSI'FKRA. fr.gr. bussos, fine flax; 

 and lat./ero, I bear. A family of 

 acephalous mollusks, which are 

 attached to foreign bodies by 

 means of a byssus. 



BT'SSOLITE. fr. gr. bussos, byssus ; 

 lilhos, a stone. A massive fila- 

 mentous mineral, implanted like 

 moss on certain stones, at the foot 

 of Mont Blanc. 



BT'SSUS. fr. gr. bussos, fine flax. A 

 bundle of silky filaments, secreted 

 by a gland at the foot of certain 

 bivalves, and serving as an organ 

 of adhesion to submarine rocks 

 and other foreign bodies. In cryp- 

 toga'mic botany, the term byssus 

 has been given to all those fila- 

 mentous plants which inhabit cel- 

 lars and subterranean abodes, and 

 are now ascertained to consist of 

 fungaceous plants in an early state 

 of growth. 



CACHALOT. Fr. The spermaceti 

 whale. Used to designate a va- 

 riety of cetaceans, which has teeth 

 in both jaws. 



CAC'TI. Lat. Plur. of cactus. 



CAC'TUS. fr. gr. kaktos, spiny plant. 

 Name of a genus of the family 

 of Cactu-f-eae. Cactus coccinellifer. 

 The cochineal cactus. Cactux 

 opuntia. Indian fig. 



CAD'MIUM. A white metal, much 

 like tin. Its ores are associated 

 with those of zinc. Discovered 

 in 1818. 



CADU'COUS. fr. lat. cado, I fall. In 

 botany, when a part is temporary, 

 and sooi disappears or falls orf* 

 sooner than deciduous. 



2Y 2 



