EXPLANATION OF PLATE XXL 



Figure 10G. — Pleurotorua bicarinatum, (p. 638 ;) natural size. 

 107. — Bela plieata, (p. 637 ;) natural size. 

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

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

 110. — Astyris lunata, (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 pygmsea, (p. 639 ;) natural size. 

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

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

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

 119. — The same ; banded variety. 

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

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

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

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



(Figure 120 was drawn from nature by J. II. Ernertou ; the rest are from Einney's Gould, drawn by 

 E. S. Morse.) 



