446 VARIATION AND ZOOGEOGRAPHY OF LIGUUS IN FLORIDA 



Upper Matecwnbe Key (PL XXXVII, figs. 5, 5a). A 



of 



amples taken by Mr. Moore in 1904, at the western end of the key 

 small, short and wide, with the mouth relatively large, 



12 living 



ex- 

 are 

 more than half the 



They 



shell's length; very thin. White, more or less yellow tinted at the last whorl, the 

 yellow tint continuous over the periphery, intensified around a small white colum- 

 ellar area; and there is a narrow golden sutural margin. Green lines are present 

 arranged as in subcrenatus. Whorls nearly 6V£ in the largest specimens, the last 



Fig. 9. L. crenatus var., Long Fig. 10. L. crenatus var., Angel- Fig. 11. L. crenatus subcrenatus, 



Island. 



fish Key. 



type. 

 Key. 



Lower Matecumbe 



obtusely subangular at the periphery 



The columella is very thin, and the 



parietal 



all 



sually has a watery, translucent tenuity 



large specimens 



While very like the Elliott 



I call 



Length 39, diam. 22.5, aperture 21 mm.; 6J4 whorls. 



Key race, it differs by the distinct green lines and distribution of yeUow 



It is well differentiated from subcrenatus by its 



It lies between 



this race L. c. matecumbensis 



small size, wide shape and development of a yellow pattern. 



the two keys inhabited by subcrenatus. 



Long Island (Plantation Key) at the west end (text-figu 

 living Liguus was taken by Mr. Moore in 1904 



A single 



It is quite solid, pure white 



living -l/ij/u/uo rw€*i3 uviww +sj ->»->*• -,*ww-w — i - rrrppn 



throughout save for faint traces of grayish lines, evidently the vestiges oi green 



bands 

 7& 



The columella, while thick, is of the simple, non-truncate typ 

 Length 52.5, diam. 27, length aperture 25 mm 



Whorls 



The single specimen 



iue uiigie apt-cuuou » quite unlike any other race I ^ ve B f n, ^^J 

 impossible without more material to say whether or not it is a tair rep 



tive of its race. , , fiOTire io) 



Angel-fish Key (north of the north end of Key Largo) C™^ -^ 



Shell moderately solid, rather thin, porcelain- white 



very smooth 



examination shows that there are very faintly traced yellowish-brown 



the base, so pale as to be readily overlooked 



The columella is thin 



thickened, not truncate. The spire is contracted near 

 nearly 7. 



the summit 



slightly 

 Whorls 



