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GLOSSARY 



or Explanation and Pronunciation of some of the Terms 

 used hi Concho logy, as well as of the Latin names of 

 the Species and Varieties of the Land and Freshwater 

 Shells of the British Isles, 



Note. — I have been unable to obtain information respecting a few words, 

 such as Ryckholtii, Corvus, &c. ; they are for the most part derived from 

 names of persons and places, and as they are all applied to varieties and 

 not to species^ a knowledge of their precise meaning is unimportant.* 



A. 



A, or Ab, when they occur at the 

 beginning of a word usually imply 

 motion yr^w something, as avert, 

 to IVlXW. from, abrupt; broken off 

 [ox from); see Ad. 



Aberrant, ab-errant, wandering 

 or deviating from ; applied to 

 individuals of a species which 

 differ from the type, or usual 

 form. 



Abnormal, ab-normal; deviating 

 from the rule ; irregular. 



Abrade, ab-rade, to rub off, to 

 wear away. 



Abrasion, ab-rayzhun, a wearing 

 away, or rubbing off. 



Acephalous, ass-effa-luss, head- 

 less, applied to animals which 

 have no distinct head. 



Achat I NA, ak-ate-in-ah, agate. 



AciCULA, ah-sikyoul-ah, a small 

 needle, or pin, A hair-pin used 

 by Roman women. 



Acme, ak-me, a point, 



AcuLEATA, ak - you - le - ate - ah, 

 prickly, pointed, 



AcuLEATED, ak-voa-le-ate-ed, fur- 

 nished with prickles or spines ; 

 ending in a fine point. 



Acuminata, ak-you-min-ate-ah, 

 pointed. 



Acuminate, ak-you-min-ate. 



Acuminated, ak-you-min-ated, 

 ending gradually in a sharp point. 



Acute, ak-yewt, having a sharp 

 edge, or point. 



AcuTUS, ak - yewt - uss ; Acuta, 

 ak - yewt - ah, acute, sharp, 

 pointed. 



Ad, or Ac, when they occur at the 

 beginning of a word usually im- 

 ply motion towards something, as 

 adduce, literally to lead to, hence 

 to advance or bring forward by 

 way of proof; see Adductor; or 

 sometimes increase or addition, as 

 accumulate, to heap together. 



Adductor, ad-dukt-or, that which 

 di-aws together ; applied to the 

 muscles which draw together and 

 close the two pieces (valves) of a 

 bivalve shell, 



Agrestis, ag-resstiss, living in 

 fields, 



Albida, albid-ah, white. 



Albina, al-bine-ah, white. 



albinism, alb;n-izm, a changing 

 from a darker colour to a white 

 or pale variety. 



Ah at the end of a word is pronounced as the a in apart, the h is silent. 



