/ 



4, 



EXPLANATION OF PLATE XXL 



Fi(5ur;E 106.— Pleurotoma bicaiiuatum, (p. 6I58 ;) natural size. 

 107. — Bela plicata, (p. G37 ;) natural size. 

 108. — Bela harpularia, (p. 636 ;) natural size. 

 109. — Anachis similis, (p. 644 ;) natural size. 

 110. — Astyris luuata, (p. 645 ;) enlarged. 

 111. — Astyris zonalis, (p. 645 ;) enlarged. 

 112. — Tritia trivittata, (p. 641;) natural size. 

 113. — Ilyanassa obsoleta, (p. 641 ;) natural size. 



114. — Nassa vibex, (p, 640 ;) natural size. ' 



115. — Neptunea pygmaja, (p. 639 ;) natural size. 

 116. — Urosalpiux ciuerea, (p. 641 ;) natural size. 

 117. — Eupleura caudata, (p. 642 ;) natural size. 

 118.— Purpura lapillus, (p. 642 ;) natural size. 

 119. — The same ; banded variety. 

 120. — The same ; egg-capsules, enlarged one-third. 

 121.— Bucciuum undatum, (p. 638 ;) natural size. 

 122. — Scalaria multistriata, (p. 660 ;) enlarged. 

 123. — Scalaria liueata, (p. 660 ;) enlarged. 



(Figure 120 was drawn from nature by J. II. Emerton : the rest are from Biuney's Gonlil, drawn by 

 E. S. Morse.) 



