530 



The Molluscan Family Planorbidae 



Tropicorbis (continued) 

 decipiens 131:6-11 

 declivis 133 :25-27 

 dentiens 141 : 5-7 

 denlijerus 134:8, 9 

 fieldi 132:24-30 



gradient lift 130:1-12; 135:32-35 

 gimdlachi 132:33-35 

 hnvanensis 12:1-11; 46:13; 68:8; 70:4; 



130:18-28 

 heloicus 133:10-13 

 isthmicus 131 : 1-7 

 janeirensis 133:18-21; 134:24 

 kuhnianus 132:6-9 

 maya 130:13-17 

 melleus 78:1, 2 



meridaemis 132:22. 23; 135:14-16 

 nigrilabris 78:3, 4; 133:14-17; 134:25 

 obstriictus 13:1-3; 50:11; 68:7; 76:7; 



128:26-33; 129:4, 8, 9; 133:28-35; 



134:10, 11, 22 



obstructus a7iodontus 133:36-40 

 obstructus donbiUi 129:17-25; 131:15- 



26; 135:21, 23 

 obstructus dunkrri 129:26-36 

 orbiculus 77:7-9; 129:1-3, 5-7, 10-16 

 palUdus 77:10-12; 132:1-5 

 paparyensis 134:1-3, 20, 26 

 pedrinus 141:1, 33, 34 

 peregrinus 130:38-41; 135:1-4 

 petenensis 133:1-3; 141:2-4 

 philippianus 130:29-34; 135:12, 13 

 riisei 13:4-10; 46:11, 12; 50:12; 68:6; 



132:15-21 

 schrammi 133:22-24; 134:7,27 

 shitneki 134:12-14, 28 

 stramincus 132:10-14 

 tepicensis 133 :4-9 

 trigyrns 135:28-31 



Vorticifex binneyi 76:13 

 tryoni 76:12 



