GLOSSARY 



The words Included are selected from those occurring in the text and are those of 

 more general significance or most likely to be mispronounced. Some of the more 

 frequent roots from Greek and Latin are inserted. The names of all persons referred 

 to in the text — and these only — are also included. Pronunciation and definitions, 

 generally, are based upon the last edition of Webster's International Dictionary (1933). 



The vowel sounds are indicated by the following symbols: 



a as in may 6 as in dot 



a as in mat 6 as in for 



a as in care 6 as in obey 



a as in far 6 = o + e 



a as in sofa oo as in boot 



e as in be o6 as in foot 



6 as in met u as in mute 



e as in fertile ti as in but 



e as in event li as in fur 



i as in line H as in unite 



I as in bin ii = u + e 

 o as in old 



Certain consonant sounds are indicated in the following manner: 



soft c = s soft g = j 



hard c = k hard th = 4fe 



hard ch = k n = as n in anger 



The word Greek is abbreviated to G., and Latin to L., in indicating roots from those 

 languages. Roots used only as prefixes are followed by a hyphen and those only as 

 suffixes preceded by one. 

 A-, or an- (a, an). G.; not, without. 

 ab- (ab). L. ; away from. 



abdomen (ab do' men). The posterior region of the body proper with the axis hori- 

 zontal, the lower, with the axis vertical; adj., abdominal (ab d6m' I nal). 

 abiogenesis (ab I o jgn' e sis). The conception that living organisms can arise from 



nonliving matter at any time when favorable conditions exist; the same as 



spontaneous generation. 

 aboral (ab o' ral). Opposite the mouth. 

 absorption (ab sorp' shtin). The entrance of substances in solution into the body of 



an organism. 

 acantho (a kan' tho). G.; thorn. 

 accommodation (a kom 6 da' shun). The adjustment of the eye to distinct vision at 



different distances. 

 acetabulum (as e tab' u lum). The socket on each side of the pelvis which receives 



the head of the femur. 

 achromatic figure (ak t6 mat' Uc). All of the mitotic figure except the chromosomes, 

 acontium (a k6n' shI um). Threadlike defensive organ composed largely of nemato- 



cysts, thrown out of mouth or special pores of a sea anemone. 

 acquired character. A character in an organism developed by the action of the 



environment upon the somatic cells. 

 actin (ak'tln). G.; ray. 



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