S E C T I O N X, 189 



" There are very few Shells of this fa- 

 mily. 



The eleventh family is the Cylindri, 

 Cylindars or Olives. Shells of a cylin- 

 drick form, and ending pointed at the 

 lower end ; the mouth is long, narrow, 

 (apertura linearis), and notched on the top; 

 the notch turning backwards, Is large and 

 fomewhat awry, like the mouth of a flat 

 fi(h ; the pillar is faced half way down^ 

 and is greatly wrinkled or pleated; the 

 turban generally fhort, very pointed, and 

 with the whirls or fpires nearly level, or 

 meerly prominent one from the other ; and 

 the turban itfelf is divided from the body 

 by only a meer prominent line. PL V. 

 fig. 4 the Panama or Camp. PI. V. fig. 7, 

 another Cylindar o r Olive. 



This family in moft authors is placed 

 nearly in the fame manner. Lifter calls 



* them 



