GLOSSARY. 337 



comprising those formations in which the organic remains approximate 



more or less closely to the existing fauna and flora. 

 Kbr'a-tode (Gr. heras, horn ; eidos, form). The homy substance of which 



the skeleton of many sponges is made up. 

 Kek-a-to'sa. The division of Sponges in which the skeleton is composed 



of keratode. 



La'bi-tim (Lat. for lip). Restricted to the lower lip of Articulate animals. 

 La'brtjm (Lat. for lip). Eestricted to the upper lip of Articulate animals. 

 Lab-t-binth-o-don'ti-a (Gr. Idburinihos, a labyrinth; odoue, tooth). An 



extinct order of Ampliibia, so called from the complex microscopic structure 



of the teeth. 

 Lao-ee-til'i-a (Lat. lacerta, a lizard). An order of Beptilia comprising the 



Lizards and Slow-worms. 

 L^-MO-Dip'o-DA (Gr. laimos, throat ; dis, twice ; podes, feet). An order of 



Omstacea, so called because they have two feet placed far forward, as it 



were under the throat. 

 La-mel-li-branoh-i-a'ta (Lat. lamella^ a plate; Gr. bragchia, gills). The 



class of Moliusca, comprising the ordinary bivalves, characterized by the 



possession of lamellar giUs. 

 La-mbl-li-eos'tees (Lat. lamella, a plate ; rostrum, beak). The flat-billed 



Swimming Birds {Natatores\ such as Ducks, Geese, Swans, etc. 

 LaeVa (Lat. for a mask). The insect in its first stage after its emergence 



from the egg, when it is usually very different from me adult. 

 Lae'titx. The upper part of the windpipe, forming a cavity with appropriate 



muscles and cartilages, situated beneatn the hyoid bone, and concerned in 



Mammals in the production of vocal sounds. 

 LEif-Tio'c-LAE (Lat. Uns, a bean). Shaped hke a biconvex lens. 

 Lep-i-dop'te-ea (Gr. lepis, a scale ; pteron, a wing). An order of Insects, 



comprising Butterflies and Moths, characterized by possessing four wings 



which are usually covered with minute scales. 

 Lep-i-do'ta (Gr. tepidotos, covered with scales). Formerly applied to the 



order Dipnoi, containing the Mud-fishes {Zepidosireii). 

 Lep-to-oab'di-a (Gr. Iy>l08, slender, small ; Tcardia, heart). The name given 



by Muller to the order of Fishes comprising the Lanoelet, now called PAo- 



Lig-a-men'tum nc'oh^ (Fr. nuque, the nape of the neck). The band of elastic 

 fibres by which the weight of the head in Mammalia is supported. 



Im'GUAL (Lat. lingua, the tongue). Connected with the tongue. 



Lm'on-LA (Lat. Ungula, a little tongue). The upper fiexible portion of the 

 labium or lower hp in Insects. . 



Li3-SEN-OEPH'A-LA(6r.Zisso«, smooth; e^'fepMos, brain). A primary division 

 of JfamjM^MS, according to Owen, in which the cerebral hemispheres are 

 smooth or have few convolutions. 



Lith'o-otsts (Gr. lithos, a stone ; leustis,a cyst). The sense-organs or " mar- 

 ginal bodies " of the Lucernarida or SteganopMhahnaU Medus<B. 



Lon-gi-pen-na't^ (Lat. longus, long ; penna, wing). A group of the Nata- 

 torial Birds. -m- 1- -o- J 



Lon-gi-eos'tees (Lat. longus ; rostrum, beak). A group of the W ading Birds. 



Lopii'-o-PHOEE (Gr. lophos, a crest ; and phero, I carry). The disc or stage 

 upon which the tentacles of the Folyzoa are borne. 



LoPH-n-EOp'o-DA (Gr. lophouros, havmg stiff hairs ; and podes, feet). An 

 order of Orustacea. . • , I., i. 



Lo-Ei'oA (Lat. for a breast-plate). Applied to the protective case with which 

 certain Infusoria are provided. . . ■. 



Loe-i-oa'ta (Lat. lorica, a cuirass). The division of Eeptiles comprising the 

 Chdonia and CrocodlUa, in which bony plates are developed m the skin 

 (derma). , . , _ , 



Ld-oeb-nae'i-da (Lat. lucerna, a lamp). An order of the Hydrozoa. 



Lim'BAE (Lat. lurribus, loin). Connected with the loins. 



Ld'nate (Lat. luna, moon). Crescentio in shape. 



