GLOSSARY. 71 



Kine'sodic (Gr. kinesis, motion; odos, a way). Capable of 



conveying motor-nervous impulses ; applied to the grey 



matter of the spinal cord. 

 Kionocra'nia (Gr. klonokrdnon, the capital of a pillar). A 



division of the Lacertilia. 

 Kre'atin (Gr. kreas, flesh). A soluble nitrogenous substance 



found in muscle. 



La'bia (L. Idbium, a lip). The lips. Prolongations of the 

 neuropodium in the Polychseta. 



La'bia majo'ra (L. greater lips). The outer integumentary folds 

 of the vulva. 



La'bia mino'ra (L. lesser lips). The inner integumentary folds 

 of the vulva. 



La'bium (L. lip). The lower lip in the Arthropoda. 



La'brum (L. lip). The upper lip in the Arthropoda. 



La/by rintli (Gr. laburinthos, a maze). The internal ear. 



La/byrinthodon/ta (Gr. laburinthos, a maze; odous, odontos, a 

 tooth). A group of extinct Amphibia, so called because 

 of the complicated structure of the teeth. 



Lacerti'lia (L. lacertus, a lizard). A division of the Reptilia 

 which includes the lizards. 



Lacerti'na (L. lacertus, a lizard). A group of the Lacertilia. 



Lach'rymal (L. lachryma, a tear). Relating to the tears, as 

 the lachrymal gland which secretes the tears. The lachry- 

 mal bone is the bone on each side of the face which is 

 perforated by the duct conveying the tears from the 

 eye to the nostrils. 



Laci'nia (L. a lock of wool, tassel). The posterior inner pro- 

 cess of the stipes in the maxilla of insects. 



Lac'teal (L. lac, milk). The absorbent vessels of the small 

 intestine, so called from their milky appearance after a 

 meal. 



Lacti'ferous ducts (L. lac, milk ; fero, I bear). The main 

 ducts of the mammary gland. 



Lacu'na (L. a wet ditch or hollow). A microscopic hollow in the 

 matrix of bone, in which the bone corpuscles are deposited. 



Lagomor'pha (Gr. lagos, a hare ; morphe, form). A group of 

 the Rodentia which comprises the Conies. 



Lambdoi'dal su'ture (Gr. the letter A, lambda ; eidos, shape). 

 Another name for the occipito-parietal suture of the skull. 



