414 
N 
INDEX. 
PAGE | Pairing of Pyramidula rotundata 
Jassa Natalensis, n.sp. (fig.) . 
Natica (Polinices) pumilio, n.sp. 
tNeritina Grateloupiana, Fér., in 
the Pleistocene gravels of the 
Thames at Swanscomb ; 
Nerve centres, Notes on the 
histology of olfactory 
New Britain, Helicarion (? ) Willey- 
ana, n.sp., from 
New Guinea, New aoe of land- 
shells from 
New Hebrides, Non- marine “shells 
from 3 
Newton, R. Be : On Ctenostreon 
Burckhardti, n.sp., from the 
Middle Oolites of Switzerland’ . 
‘ Notes on some Jurassic 
Shells from Borneo, including 
a new species of Trigonia’ . 
Nottingham, Opeas clavulus, Fér.(?), 
and Zonitoides minusculus Bey) 
ina hothouse . 
Nucula nucleus, Linn., Renal « organs 
Ole. A : : 5 
O 
Obituary notices ; 5 Usd, 
Olfactory nerve centres, notes on 
their histology . 
Oliva, On the want of means for 
determining the oe of the 
genus 
Omphalotropis conella, n. sp. (fig -) 
Oolite, Ctenostreon Burckhardti, 
n.sp., from the : : 5 
Opeas clavulus, Fér. (?), in hot- 
house in Nottingham : 
Otopomua elausum and O. Xe emenicum, 
Note on . 
Oxynoe Natalensis, n.sp. (fig .) 
12 
Pace, 8., ‘On the Anatomy and 
Relationships of Voluta musica, 
Linn. ; with notes upon certain 
other supposed members of the 
Volutidee ’ - 
‘Contributions to the “Study 
of the Columbellidee: No. 1’ 
‘On the identity and re- 
lationships of Bueccinum der- 
mestoideum, Lam.: Banas 
noy. gen. 
—— ‘Note on the genus Pseuda- 
myela, Pace’ 
373 (Mull.) with Vitrea lweida(Drap.) 
385 | Paludomus Siamensis, u.sp. (fig.) . 
Papuina trochiformis, n.sp. (tig) 
Pary aes wnula, Pir., Anatomy 
320 ot 
Peruvian pottery, Ancient, with 
184 models of land-shells (figs.) 
Planorbis, note on sinistral character 
296 of the shell (figs.) 
Pleistocene non-marine Mollusca 
17 from Portland Bill 
Portland Bill, Pleistocene non- 
196 marine Mollusca from 
Post- Pliocene shells at Bognor 
Preston, H. B., ‘ New Species of 
245 Land-Shells from New Guinea’ 
— ‘Descriptions of two 
supposed new apeties of Cyatho- 
403 poma’ 
Pseudamyela, n gen., for Buceinum 
der mestoideum, Lam. 
344 | ————— Note on the genus 
Purpura pura, n.sp. (fig.). c 
300 | Pyramidula  rotundata (Mill.) 
pairing with Vitrea lueida(Drap. ) 
307 R 
184 
Reynell, A., ‘Note on the 
346 occurrence of Planorbis margin- 
200 atus, Drap., and Limnea pereger 
(Miill, ) in the Post-Plocene of 
245 ae Sussex ’ 
Rhiostomes Dalyi, v sp. (fig ) 
344 | Lhytida Greenwoodi, Gray, Notes 
on . 
399 | LRissoia parva, Da Costa, Note on 
359 a monstrosity of Xs 
Sesara megalodon, u.sp. (fig.) 
Shells floating on the surface of the 
sea d 
Shopland, Commander E. R., ‘List 
21 ot Marine Shells collected in the 
neighbourhood of Aden between 
36 1892 and 1901’ - Olli 
Siam, New species of Rhiostomaand 
Sesara trom 
Non-marine Mollusca from 
253 | Siphonaria nigerrima, u.sp. (fig.) 
tenuicostulata, n.sp. (fig.) 
267 | Sistrum squamiliratum, u.sp. (tig.) 
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