MUSEUM OF COMPARATIVE ZOOLOGY. 



139 



INDEX. 



Abra longicallis, 133. 



Actceon Danaida, 96. 



Actaeon fasciatus f 94. 



Actceon incisus, 95. 



Actceon melampoides, 95. 



Actceon perforatus, 96. 



Alcadia, 49. 



Amphissa versicolor, 91. 



Amussium lucidiim, 117. 



Amussium var. marmorutum, 117. 



Anachis, 91, 92. 



Ancistrosyrinx, 53. 



Ancistrosyrinx elegans, 54. 



Antalis agilis, 37. 



Area, 120. 



Area aspera, 120. 



Area asperula, 120. 



Area aurita, 118. 



Area glaeialis, 121. 



Area (jlomerula, 121. 



Area var. orbiculatu, 121. 



Area pectuneuloides, 121, 122. 



Area polycyma, 122. 



Area var. septentrionalis, 121. 



Arene, 53. 



Argiope antillarum, 103. 



Argiope Barrettiana, 103. 



Argiope Schrammi, 103. 



Astarte, 129. 



Astitrte borcalis, 130. 



Astarte lunulata, 131. 



Astarte Pfeifferi, 131. 



Astyris f amphissella, 91. 



Astyris califbrniea, 91. 



Astyris Duclosiana, 91. 



Astyris rosaeea, 92. 



Astyris Vcrrilli, 91. 



Atyst bathymophila, 98. 



Atys? Sander soni, 99. 



Avicula sp., 117. 

 Axinus, 109. 



Basilissa, 48, 51. 

 Basilissa alta, 48. 

 Basilissa eostulata, 48. 

 Bathymophila, 44, 102. 

 Bela, 54, 58, 60, 61, 70. 

 Beta Blakeana, 54. 

 Bela var. extensa, 55. 

 Bela Jilifera, 56. 

 Bela limacina, 55. 

 Bela var. normulis, 54. 

 Bela turrieula, 59. 

 Bittiuin, 88. 



Bittium cylindricum, 90. 

 Bittium gemmatum, 90. 

 Bittium mamillanum, 90. 

 Bittiuin pigrum, 90. 

 Bittium yucatecanwm, 90. 

 Bironia exserta, 3'.). 

 Buccinum eyaneum, 102. 

 Bulla abyssicola, 97. 

 Bulla caribbasa, 99. 

 Bulla ? eburnea, 98. 



Cadulus cct/ualis, 34. 

 Cadulus Agassizii, 35. 

 Cadulus eolubridens, 35. 

 ( 'adulus cucurbitus, 35. 

 Cadulus gracilis, 35. 

 ( 'adulus hnnihis, :;."). 

 Cadulus obeous, 35, 36. 

 Cadulus Pandionis, 35. 

 Cadulus sauridens, 35, 30. 

 Cadulus simillimus, 86. 

 ( laduluB tuinidosus, 35. 

 ( 'ndulus Watsani, 8 1 

 Calliostoroa annulatum, (■"• 



