144 



Opeas rarus, Miller, Form A 103 



B 103 



» regularis, Pfr. (Bulimulusregularis) 102 



» subula, Pfr 103 



» strictus, Poey 107 



» Swiftianus, Pfr 107 



» viviparus, Miller 102 



Gattung Spiraxis, C. B. Adams. 



Spiraxis aberrans, Pfr 108 



Blandi, C. & F 125 



» bulimoides, Pfr 109 



» costulosa, Adams 108 



» Dunkeri, Pfr 108 



» inusitata, Adams 108 



» splendida, Anton 109 



Gattung Lamellaxis, Str. & Pffr. 



Lamellaxis aequatorius, Miller 113 



filicostatus, Str 1 13 



Guatemalensis, C. & F 113 



imperforatus, Str 113 



j> mexicanus, Pfr 11)9 



» FormA 110 



» B 110 



modestus, Str 111 



» Form A 112 



B 112 



paludinoides, d'Orb 114 



Salleanus, Pfr 112 



striosus 



(Achatina striosa, C.B.Adams) 114 



Venezuelensis, Pfr 112 



Gattung Subulina, Beck 114 



Subulina trochlea, Pfr 115 



» » Form A 115 



» » » B 116 



» Guayaquilensis, Miller 116 



* Subulina octona, Chemn 116 



* Bangiana, Pfr 117 



* - trypanodes, Pfr 117 



Abtheilung der Testacellaceen. 



Gattung Pseudosubulina, Str. & Pffr. 117 



Pseudosubulina Chiapensis, Pfr 119 



Berendti, Pfr 117 



Form A 118 



» B 119 



Gattung Volutaxis, Str. & Pffr. ... 119 



Volutaxis acus, Shuttlw 125 



Berendti, Pfr 120 



Blandi, C. & F. (Spiraxis Blandi) 125 



confertecostatus, Str 122 



confertestriatus, Str 123 



intermedius, Str 123 



linearis, Pfr 124 



melanielloides, Grundl 125 



Miradorensis, Str., Form A. . . 122 



> B.... 122 



nitidus, Str 124 



Form A 124 



B 124 



rectus, Pfr. (Bulimulus rectus). 125 



similaris, Str 122 



sulciferus, Morel 120 



tenuecostatus, Str 122 



Familie Vaginulidae. 126 



Gattung Vaginulus, Fer 130 



Vaginulus mexicanus, Pfeffer 130 



Druckfehler und Berichtigungen 132 



Erklärung der Tafeln 133 



