INDEX TO GENERA AND SPECIES. 



This Index contains references to the species both under the 

 generic and specific names. The first of the numerals in each case 

 indicates the volume and the second numeral the page. The Con- 

 chologists' Exchange has been treated as volumes 1 and 2 of the 

 Nautilus. 



abacus, Unio 9: 134, 11: 4 



abbatis, Mitra 33: 133 



abbreviata, Bifidaria 23 : 53 



abbreviata, Columna 17: 10 



abbreviata, Coralliophila 17: 127 



abbreviata, Goniobasis 14: 77 



abbreviata, Partula 6: 98 



Abderospira, 10: 71 



abditum, Pisidium 2: 40, 3: 33, 5: 55, 

 6: 66, 7: 34, 7: 69, 7: 86, 7: 129, 8: 

 100, 8: 126. 8: 139, 9: 6, 9: 75-6, 9: 

 98-9. 9: 102, 9: 128, 9: 142, 10: 16, 

 11: 114, 12: 78. 12: 118, 13:4, 13:30, 

 13: 48, 13: 55. 13: 90. 13: 106. 13: 

 112, 14: 64. 14: 71. 14: 103-4. 15: 

 126. 18: 46, 19: 20. 19: 27, 21: 143, 

 22: 106. 22: 113-14. 25:6. 26: 65. 29: 

 94, 29: 124. 30: 95. 31: 85 



aberti. Cyprogenia 31: 120 



aberti. Unio 9:77 



aberrans, Caduliis 4: 36, 10: 18 



aberrans, Spiraxis 8: 20 



aberrans. vStenogvra 8: 20 



Abida. 17: 115, 18: 103-4, 18: 106 

 secale 18: 104 



abina, Kulota 22: 55 



abnormis, Anoma 15: 3 



abnormis. Cylindrella 15: 3 



Abra aequalis 4 : 4 



Abraliopsis scintillans 25: 93 



Abretia. 21: 124 



abyssicola, Columbella 33: 35 



abyssicola. Turbonilla 22: 123 



abyssicola, Volutilithes 10: 54 



abyssina. Natica 8: 74 



abyssoriim, Assiminopsis 11: 81 



abvssorum, Pisidium 6: 66, 9: 99, 11: 

 124 



Acanthicella, 33: 33 



Acanthina, 33: 33 

 angelica 32: 26 

 aurantia 28 : 8 1 

 engonata 28: 27, 33: 34 

 muricata 32: 27 

 paucilirata 33: 34 



Acanthina, punctulata 33: 33 



spirata28: 81. 29: 130, 31: 103 



unicarinata 33: 34 

 Acanthinula, 3 : 62, 6 : 6, 6 : 1 1 7-18, 11 : 7 1 



aculeata 31: 142 



granum 4 : 23, 6: 1 18, 33 : 95 



harpa 7: 66, 10: 99, 11: 71, 13: 2, 



13: 103, 17: 100. 24: 63, 27: 96, 

 32: 143, 33: 97 



lamellata 31: 142 

 acanthinula, Pronesopupa 33: 57 

 Acanthochites, 7 : 31, 7 : 32, 7 : 107 



coxi, 7: 119 



diegoensis 25: 74 



exquisitus 7 : 32 



granostriatus 7: 119 



hemphilli 7: 32 



matthewsi 7: 120, 9: 72 



pygmaeus 13: 130 



retrojectus 7: 107 



rhodeus 7: 32 



spiculosus 13: 54, 13: 130 



violaceus 7: 32 

 Acanthochitidae 7:31 

 Acanthodoris briintiea 18: 132, 21: 35 



citrina 23: 101 

 • hudsoni 18: 132 



pilosa 23: 36, 23: 101, 30: 130 



stellata 23: 101 

 Acanthoidea, 6: 104 

 Acanthopleura, 6: 104, 6: 105 



granulata 16: 138, 19: 36 



piceus 5 : 68 

 accedens. Pupa 11: 119, 11: 136 

 accedens. Vertigo 8 : 5 

 accera, Gastrodonta 12: 100 

 accipitrinus, Stromhusl: 13,11:32, 12: 



143 

 aceidota, Hemiplecta 12: 2 

 Acella, 25: 9. 28: 118, 28: 120 



haldemani 30: 9, 30: 135, 31: 92 

 23: 118 

 Acephala, 2: 18 



acerra, Gastrodonta 8: 105, 11: 132, 14: 

 57, 14: 76. 17: 88, 26: 15, 27: 82 



105 



