6 GLOSSARY. 



Amphiox'us (Gr. ampJn, both ; oxus, sharp, pointed). The 

 lowest vertebrate animal. Its body is pointed at both 

 ends. 



AmpM'poda (Gr. amphi, both ; potts, podos, a foot) . A divi- 

 sion of the Crustacea. 



Amphirhi'na (Gr. amphi, both ; rhis, rhinos, the nose). 

 Applied by Haeckel to the Elasmobranch fishes, because 

 the nasal sac is double. 



Amphisbae'iioida (Gr. amp/it's, both ways ; baino, I walk). A 

 group of the Lacertilia. 



Ampulla (L. ampullor, 1 swell out). The dilated extremities 

 of the semicircular canals of the ear. 



Amygdalae (Gr. amngdale, an almond). Two rounded lobes 

 in the cerebellum. 



Amyla'ceons (Gr. amylon, starch). Starch-like. Of or belong- 

 ing to starch. 



Am'yloid (Gr. amylon, starch ; eidos, form). Of the chemical 

 nature of starch. 



Amyloly'tic (Gr. amylon, starch ; luo, I loose). Having the 

 power of converting starch into dextrin and grape-sugar. 



Anacan'thini (Gr. anakanthos, without thorns). A group of 

 Teleostean fishes. 



Anae'mia (Gr. an, not; aima, blood). A pathological term 

 signifying a deficiency of blood ; the condition of the 

 body after a great loss of blood. 



Anaesthe'sia (Gr. anatsthetos, senseless). Loss of sensation. 



Anapo'physis (Gr.ana, upon; apophuo, I grow). The lower of 

 two accessory processes which sometimes appear on the 

 neural arches of the lumbar vertebrae. 



Anap'tychi (Gr. anaptyche, unfolding). Heart-shaped plates of 

 shelly substance found in some Goniatites and Ammo- 

 nites. 



Anarthro'poda (Gr. 0, not; arthros, a joint; pous, podos, a 

 foot). A division of the Annulosa, the members of which 

 are destitute of jointed limbs. 



Anas'tomose (Gr. ana, through ; stoma, a mouth). To open 

 into each other (as do veins and arteries), so as to form a 

 network. 



Ana'tomy (Gr. ana, up ; temno, I cut). The science which treats 

 of the structure of organisms as determined by their dis- 

 section. 



Anchylo'sis (Gr. ankule, a thong or clasp). The union of two 

 or more separate bones so as to form only one bone. 



