INDEX OF GENERIC AND SPECIFIC NAMES. 
NAUTILUS, Gualtiert 
PA Aturi, Bronn ; see Aturia zic-zac. 
6 Bucklandi, Michelotti; see Nautilus imperialis. 
- centralis, Sowerby ; 
5 Deshayesti, De Koninck ; see Aturia zic-zac. 
4s imperialis, Sowerby 
“i Parkinsoni, F. £. Edwards 
regalis, Sowerby 
“5 Sowerbyi, Wetherell : 
P sypho, Buckland ; see Aturia zic-zac. 
3 urbanus, Sowerby 
NEMATURA, Benson 
NERITA, Adanson . : 
»  aperta, Sowerby; see Neritina aperta. 
A concava, Nyst; see Neritina concava. 
me tricarinata, Lamarck 
NERITINA, Lamarck 
PS aperta, Sowerby ; 
3 callifera, Sowerby ; see Neritina globulus. 
55 concava, Sowerby 
A consobrina, F'érussac 
BS Forbesii, S. Wood 
A globulus, Mérussae 
50 jaspidea ?, Deshayes 
_ planulata, F. 2. Edwards 
5 tristis, Forbes : 
5 uniplicata, Sowerby ; see Neritina globulus. 
5 vicina’, Melleville 
a zonula, S. Wood 
OVULA, Brugniére : 
Bs ? antiqua, F. £2. Edwards : 
»  tuberculosa, Duclos; see Cyprzea tuberculosa. 
OVULUM retusum, Sowerby ; see Cypreea oviformis. 
PALUDINA, Lamarck 
PEDIPES, Adanson ; 
Fy glaber, F. . Edwards 
PITHARELLA, Edwards ‘ 
ps Rickmani, Edwards . 
PLANORBIS, Geoffroy. c 
5 biangulatus, #. £. Edwards 
Fr cylindricus, Sowerby 
+ discus, F’. 2. Edwards 
na elegans, F'. HL. Edwards 
AR enomphalus, Sowerby . 
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42 
45 
47 
49 
46 
48 
46 
340 
342, 349 
349 
342 
347 
546 
344 
348 
343 
345 
349 
347 
344 
348 
134 
136 
339 
114 
gS 
339 
339 
340 
108 
109 
102 
107 
99 
