Abd 2 



Abductor coxa. — The second of the powerful coxse 

 muscles. (L. ah, from, away from, and duco, 

 ductuni, to lead or draw.) 



Aborted. — Incomplete, undeveloped. (L. aborto, 

 old form of ahortio, to miscarry.) 



Absconditum. — (Head) see Concealed. (L. ahs, 

 away from, and condo, to hide.) 



Acarina. — A family of Arachnoidae, including mites, 

 ticks, etc. (Gr. A, not, and Keiro, to cut). 



Acclivous. — A gentle ascent of the surface ; rising 

 in a gradual slope. (L. ad, and clivus, a slope.) 



Accrescente. — Gradually increasing in thickness 

 towards the apex, and generally applied to 

 the antennae. (L. ad, and cresco, cretuni, to 

 grow.) 



Acetabula. — The cotyloid cavities, the cavities 

 of the thorax, in which the legs are inserted, 

 formed by the sternum and epimcrum, and 

 sometimes the epigastrium. (L. acetabulum, a 

 cup-shaped vessel.) 



Acetabuliform. — Resembling a circular shallow 

 saucer, the sides of which are more or less 

 incurved. (L. acetahulum, and form, shape.) 

 See Calathiform. 



Acetabulum. — The mesostethium, or large central 

 piece situated next to the peristethium, and 

 behind the sockets of the intermediate legs. 

 (L. acetahulum.) 



