OLIVA.— Plate XXVI. 



Species 80. (Fig. a, b, c, Mus. Steere.) 

 Oliva tekgina. OUv. tedd oblongd, tumidiuscnld, crassd, 

 bad truncatd, spird exserid, eallosd, columelld arcnatd, 

 mbexcavatd, mperne eallosd, infra oblique plicatd ; 

 lutescente-albd aut lacted, fusco vel caruUo-fwco dense 

 reticulatd, areis interdum interruptis, spird et zona 

 basali immamlatis, columelld et aperturre fauce cceru- 

 Uscente-albis. 

 The hide Olive. Shell oblong, rather swollen, thick, 

 truncated at the base, spire exserted, callous, colu- 

 mella arched, slightly excavated, caOous at the upper 



part, plaited obliquely beneath; yellowish-white or 

 cream-colour, thickly reticidated with brown or blue- 

 brown, the spaces being sometimes interrupted, spire 

 ;md basal zone unspotted, columella and interior of 

 the aperture bluish-white. 



DucLOs, Mon. Oliv. pi. 2. f. 13-16. 



Hah. Conchagua, Central America (on sand-banks) ; 

 Cuming. 



Distinguished mainly by its callous growth and dense 

 splashy pattern of net-work. 



