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CONCHOLOGY. GLOSSARY. 



U'MBO. Latin. A protuberance or 

 boss. The round part of a bivalve 

 shell which turns over the hinge. 



UM' BONES. Plural of umbo. 



UM'BONATE. Bossed ; having a raised 

 knob in the centre. 



UNARTI'CULATED. Not jointed. 



UNDA'TUM. Latin. Waved. 



UN'DULATED. Waved, 'having a 

 waved surface. 



UNILO'CULAR. From the Latin, 

 unus, one, and loculus, partition. 

 Having a single chamber or com- 

 partment. 



UNI'O. Latin. A pearl. A genus 

 of mussels (page 81). 



UNIO'NES. Plural of Unio. 



U'NIVALVE. Consisting of one piece 

 or valve. 



UR'CEOLATE. Swelling in the middle 

 like a pitcher. 



VAGI'NULA. Latin. A little sheath or 

 scabbard. A genus of naked gas- 

 teropods (page 39). It is the same 

 as vaginu'lus. 



VALVA'TA. A genus of fresh-water 

 snails (page 48). 



VA'RICES. Longitudinal ribs in uni- 

 valve shells. 



VA'SCULAR. Composed of numerous 

 vessels. 



VAU'LTED. Arched like the roof of 

 the mouth. 



VE'NA. Latin. A vein. 



VE'NOUS. Relating to veins. 



VE'NTER. Latin. Belly. The most 

 prominent part of the shell when 

 the aperture is turned towards the 

 observer. 



VE'NTRAL. Relating to the belly. 



VEN'TRICOSE. Inflated ; swelled in 

 the middle. 



VEN'TRICLE. A little belly. A part 

 of the heart. 



VENERU'PIS. A genus of Cardiacea 

 (page 85). 



VE'NUS. A genus of the family of 

 Cardiacea. 



VERME'TUS. A genus of gasteropoda 

 (page 59). 



VE'RMIFORM. Worm-shaped. 



VE'RRUCOSE. From the Latin, verru- 

 ca, a wart. Warted. 



VER'TEBRA. From the Latin, verier e, 

 to turn. A joint or bone of the 

 back-bone or spine. 



VER'TEBRAL. Relating to the verte- 

 brae. 



VERTEBRA'TA. Name of the first 

 branch of the animal kingdom. 



VER'TEBRATE. Having vertebrae. 



VERTI'CULATED. Whorled. 



VE'SICLE. A diminutive bladder. 



VESI'CULAR. Relating to vesicles. 



Vi'scus. Any internal part, as the 

 heart, intestine, &c. 



VI'SCERA. Plural of viscus. 



VI'SCERAL. Relating to viscera. 



VI'SCID. Glutinous, sticky. 



VI'TREOUS. Resembling glass. A 

 humour of the eye is so termed. 



VITRI'NA. From the Latin, vitrea, 

 glass. A genus of fresh-water 

 gasteropods. 



VOLU'TA. Latin. A whorl. A genus 

 of gasteropods. 



VULGA'RIS. Latin. Common. ' 



WHORL. A wreath, or turning of the 

 spire of univalve shells. 



ZONED. Surrounded with one or 

 more girdles. 



ZOO'LOGY. From the Greek, zdon, 

 animal, and logos, discourse. The 

 science of animals. 



ZOO'PHYTE. From the Greek, zdon, 

 animal, and phuton, plant. An 

 animal belonging to the fourth di- 

 vision of the animal kingdom. 



