INDEX. 



The names in capitals are adopted ; those in italics are synonyms ; those in common type are 



genera and species which are referred to. 







PAGE 













PAGE 



Aglaia complanata 



. 44. 



Cypridina cornuta 







. 34 



Argilloec 



;ia cylindrica . 



8 



— 



Foersteriana 







. 19 



Baikdia 



u 



. 5, 52 



— 



hastata 







. 34 



— 



angusta . 4, 



12, 51, 62, 64 



— 



leioptyclia 









. 48 



— 



arcuata, var. gracilis 



1 



— 



monoceros 









. 35 



— 



attenuata 



. 12 



— 



muricata 









. 21 



— 



complanata 



8 



— 



papilio 









. 34 



— 



contracta 



8 



— 



Roemeriana 









. 31 



— 



curvata 



1 



— 



serratula 









. 34 



— 



depressa 



. 48 



— 



undulata 









. 35 



— 



f'oveolata 



7 



— 



vespertilio 









. 34 



— 



Haebisiana 8, 12, 51, 



52, 54, 57, 59, 

 61, 64 



Gypris 



prist ina 

 Purbeckensis 









6 

 . 12 



— 



var. AMPLTOli 



. 8, 52 



Cytuere 









15,52 



— 



Icevigata 



. 12 



~ 



acanthoptera 









. 41 



— 



modesta 



. 12 



— 



acutiloba 









. 28 



— 



perforata 



. 29 



— 



alata 







34, 



36, 51 



— 



silicula 



. 13 



— 



amygdaloides, var. brevi^ 







. 45 



— 



siliqua 



9 



— 



arcuata 







1 



— 



— var. ^ . 



. 1,51 



— 



auriculata, var. semimar 



ginata 



. 19 



— 



SUBDELTOIDEA 5, 6, 7, 



51, 52, 54, 55, 



— 



— var. simplex 







. 20 





56, 57, 58, 



59, 60, 62, 64 



— 



Bairbiana . 





15 



51, 52 



Btthoc 



rpRis 



11,52 



— 



? Bosqfetiana 





15, 



51,52 



— 



Brownei 



13, 52, 56, 57 



— 



chelodon 







. 26 



— 



? Ieknica . 



14, 52, 55 



■ — 



concentrica 



3 



1, 60, 



62, 



63, 64 



— 



Reussiana 12, 13, 



51, 52. 62, 64 



— 



cuspidis 



. 







. 39 



— 



? ECEMERIANA 



14, 52, 57 



— 



faba 



. 







11 



— 



SILICULA 12, 13, 51, 



52, 56, 57, 58 



— 



favoides 



. 







. 17 



— 



— var. MINOR 



13, 52 



— 



filicosta {/) 



. 







20,21 



— 



SIMULATA 



11,51,52 



— 



GATJLTINA 



18, 5 



1,52, 



61, 



62,63 



Candona 



Bononiensis . 



12 



— 



Geinitzi 









. 28 



Cypeidibve . 



1 



— 



luirpa 



. 







. 20 



Cypridina alata 



. 34 



— 



Haui!isiana 16, 18, 5 



1,52, 



55, 



57, 60, 



— 



Althi 



. 32 











61, 



62, 64 



