GLOSSARY. 323 



AN-O-MO-DON'TI-A (Gr. anomos, irregular ; odous, tooth). An extinct order of 

 Keptiles, often called Dicynodontia. 



AN-O-MU'RA (Gr. anomos, irregular ; oura, tail). A tribe of Decapod Crusta- 

 cea, of which the Hermit-crab is the type. 



AN-O-PLU'RA (Gr. anoplos, unarmed ; oura, tail). An order of Apterous Insects. 



A-NOU'RA (Gr. o, without ; oura, tail). The order of Amphibia comprising 

 the Frogs and Toads, in which the adult is destitute of a tail. Often called 

 Batrachia. 



AN-TEN'N^E (Lat. antenna, a yard-arm). The jointed horns or feelers pos- 

 sessed by the majority of the Articulata. 



AN-TEN'NULES (dim. of antennce). Applied to the smaller pair of antennae in 

 the Crustacea. 



AN'THRO-POID. 



AN-TI-BRA'CHI-TJM (Gr. anti, in front of; brachion, the arm). The fore-arm 

 of the higher Vertebrates, composed of the radius and ulna. 



ANT'LERS. Properly the branches of the horns of the Deer tribe ( Cervidce), 

 but generally applied to the entire horns. 



AN'TLI~A (Lat. antlia, a pump). The spiral trunk or proboscis with which 

 Butterflies and other Lepidopterous Insects suck up the juices of flowers. 



APH-A-NIP'TE-RA (Gr. aphanos, inconspicuous ; pteron, a wing). An order of 

 Insects comprising the Fleas. 



AP-LA-CEN-TA JLI-A. The section of the Mammalia, comprising the two divisions 

 of the Didelphia, and Monodelphia, in which the young is not furnished 

 with a placenta. 



AP'O-DA (Gr. a, without ;podes, feet). Applied to those fishes which have no 

 ventral fins. Also to the footless Ccedlice among the Amphibia. 



AP'O-DAL. Devoid of feet. 



AP-O-DEM'A-TA (G^. apodaio, I portion off). Applied to certain chitinous 

 septa which divide the tissues in Crustacea. 



AP'TE-BA (Gr. a, without; pteron, a wing). A division of Insects, which is 

 characterized by the absence of wings in the adult condition. 



AP'TER-OUS. Devoid of wings. 



AP'TER-TX (Gr. a, without ; pterux, a wing). A wingless bird of New Zea- 

 land, belonging to the order Cursores. 



A-QUAT'IC. 



A-QUIF'E-ROUS. 



A-RACH'NI-DA (Gr. arachne, a spider). A class of the Articulata, comprising 

 Spiders, Scorpions, and allied animals. 



AR-A-NE'I-DA. 



AR-BO-RES'CENT. Branched like a tree. 



AR-CH.S-OP'TE-RYX (Gr. archaios, ancient ; pterux, wing). The singular fossil 

 bird which alone constitutes the order of the Saururoe. 



ARCH-EN-CEPH'A-LA (Gr. archo, I overrule; eglcephalos. brain). The name 

 applied by Owen to his fourth and highest* group of Mammalia, compris- 

 ing Man alone. 



AR-E-NA'CE-OUS. Sandy, or composed of grains of sand. 



AR-THROP'O-DA. 



AR-TIC-U-LA'TA (Lat. articulus, a joint). A division of the animal kingdom, 

 comprising Insects, Centipedes, Spiders, and Crustaceans, characterized by 

 the possession of jointed bodies or jointed limbs. Tt e term Arthropoda is 

 now more usually employed. 



AR-TI-O-DAC'TY-LA (Gr. artios, even ; daktulos, a finger or toe). A division 

 of the hoofed quadrupeds ( Ungulata} in which each foot has an even num- 

 ber of toes (two or four). 



AS-CID-I-OI'DA (Gr. askos, a bottle ; eidos, a form). A synonym of Tunicata, a 

 class of Molluscous animals, which have the shape, in many cases, of a two- 

 necked bottle. 



A-SEX'U-AL. Applied to modes of reproduction in which the sexes are not 

 concerned. 



A-SIPH'O-NATE. Not possessing a respiratory tube or siphon. (Applied to a 

 division of the Lameltibrancniate Molluscs.) 



