94 ALCITHOE. 



V. RETICULATA, Reeve. PI. 28, fig. 93. 



Light fulvous, triangularly marked with chestnut, forming 

 three bands on the body-whorl ; yellowish within. 



Length, 3-4 inches. 



W. Australia. 



Y. PR^TEXTA, Reeve. PI. 28, figs. 94, 96. 



Pale fulvous, finely reticulated with chestnut, forming triangu- 

 lar spots, and two darker bands. Length, 1*5-? inches. 



North Australia. 



Bears somewhat the same relation to F. reticulata that zebra 

 does to Turneri. V. reticulata, Sowb. (fig. #6), is only a well- 

 grown specimen of F. prsetexta ; although Sowerby afterwards 

 renamed it F. Eeevei. 



Sect. 7. Alcithoe, H. and A. Adams. 



Shell oval-fusiform, spire elongated, terminated by a papilli- 

 form summit ; aperture oval-elongated, inner lip covered by a 

 callous deposit, outer lip expanded and more or less reflected ; 

 columella with four, and more rarely five to seven oblique plicae. 



Y. PACIFICA, Solander. PI. 28, figs. 91-99. 



Yellowish, with zigzag longitudinal chestnut markings, and 

 frequently four interrupted revolving bands. 



Length, 3'5-4'5 inches. 



New Zealand. 



The specimens vary much in the development of the shoulder- 

 angle and tubercles, both being obsolete in some species. V. 

 fusus, Quoy (fig. 98), is the immature shell. 



Yar. GRAOILIS, Swn. (fig. 99), has been distinguished principally 

 by its much smaller size, 



Y. KREUSLER^;, Angas. PI. 30, fig. 124. 



Resembles F. Pacifica, but has a longer spire, is narrower, 

 and differs in the painting of orange-brown maculations forming 



the three bands. Length, 2 inches. 



So. Australia. 

 Y. AMERICANA, Reeve. PI. 28, figs. 100, 101. 



Yellowish white, faintly banded and reticulated with orange- 

 brown. Length, 1*75 inches. 



Brazil. 



