NO. 



PROTFXTIVE ADAPTATIONS McATEE 



Identifications oj Mollusca — Continued 

 Aquatic shells 



105 



Number of 

 Group idfutifications 



Truncatellidae 



Choristidae 



Calyptraeidae 13 



Capulidae 



Amaltkeidae 



Xenophoridae 



Naticidae 47 



Lamellariidae 



Acmaeidae 43 



Lepetidae 



Scutellinidae 



Addisoniidae 



Cocculinidae 



Phasianellidae 



Turbinidae 



Trochidae 



Delphinulidae 



Cyclostrematidae 



Neritidae 374 



Stomatiidae 



Haliotidae 



Scissurellidae 



Pleurotomariidae 



Tissurellidae 



Chitonidae 26 



Cephalopoda (furtlier uni- 

 dentified ) 86 



Loliginidae 3 



Percentage of 



identifications 



among those 



of all 



Mollusca 



1. 1469 



■3993 

 .3653 



■ 15-29 



S'-iy/i 



.2209 



■7306 

 ■0254 



Percentage 



of species 



in this group 



among marine 



niollusks of the 



Southeast 



Coast 



.2516 

 .0629 

 •5031 

 .1887 

 .1887 

 .1258 

 1.5094 

 .1887 

 •3145 

 .2516 

 .0629 

 .0629 



■3773 

 .1887 

 .8176 

 3.9622 

 .6289 



•5031 

 .0629 

 .0629 

 .1887 

 .1258 

 2.2012 

 I ■4465 



.1258 



Land shells 



Family 

 Cyclostomatidae 

 Truncatellidae . 

 Helicinidae .. . . 

 Helicidae 



Number of 

 identifications 



14 

 70 



Percentage of 



identifications 



in this group 



among those 



of all land 



Mollusca 



(except the 



unidentified) 



7.9096 



39^5479 



Percentage 

 of species 



in this group 

 among all 



nearctic laud 

 Mollusca ^ 



•5277 



1.0554 



1 .0554 



37-7305 



' Compiled from Pilsbry, H. A., and Johnson, C. W.. A classified catalogue 

 with localities of the land shells of America north of Mexico. Reprinted from 

 The Nautilus, 1897- 1898, Philadelphia, 35 pp., 1898. 



