266 



Only five specimens have been met with on the 

 Scarborough Coast, and four of them are very young 

 sheik. 



LITTORINA. ZONARIA. Bean. Shell very strong, 

 oval, not much pointed, body whorl very large occu- 

 pying nearly three parts of the shell, volutions five, 

 finely striated transversely and longitudinally giving the 

 shell a beautiful decussated appearance; colour yellow 

 with two broad dark purple bands ; outer lip thin, pillar 

 lip spread, yellow and polished, inside purple. Length 

 6 lines, Breadth 4 lines. Found in great abundance 

 at Robin Hood Say on the flat Lias scars at low 

 water, in company with the common species . 



LITTORINA. NEGLECTA. Bean. Shell strong, 

 smooth, glossy and nearly glohular,volutions four,mostly 

 ending in an obtuse point ; body whorl large covered with 

 numerous transverse dark interrupted bands ; aperture 

 orbicular, inside pale purple. Diameter, not 2 lines. 

 This small species is found in company with L. Petrcea 

 and Fabalis on large blocks of oolite that have long 

 braved the fury of the elements on the north shore of 

 Scarborough. 



LITTORINA. RUDISSIMA. Bean. Shell strong, 

 somewhat conic and pointed, with numerous raised 



