126 
PHILINE—( continued ), 
aperta, - - 
catena, - - 
pruinosa, = - 
punctata, - - 
quadripartita, - 
scabra, = - 
Pileopsis Ungarica, — - 
Pilidium fulvum, - 
rubrum, - - 
Pinna pectinata, - 
rudis, - - 
PLEUROBRANCHUS, - 
membranaceus, . 
plumuia, - - 
PLEUROTOMA,~— - - 
attenuata, = 
boreale, : - 
brachystoma, - - 
brachystomum, 
coarctata, - - 
costata, - - 
gracilis, - - 
lineare, - . 
Leufroyt, - . 
nebula, - - 
TOSEH, - - 
rufa, = - - - 
secalinum, — - - 
septangularis, - 
sinuosa, - - 
Smithia, - - 
striolata, - : 
striolatum,  - - 
teres, - - = 
Trevelliana, - 
turricula, - - 
vulpecula, - - 
POLYCERA, - . - 
ocellata, - - 
quadrilineata, - 
Polypus antiquorum, - 
octopodia, - - 
Poronia rubra, - - 
Propilidium ancyloides, 
PSAMMOBIA, - - 
Ferréensis, - - 
INDEX. 
PAGE 
PsamMMOBIA— (continued ), 
103 florida, - 
102 tellinella, - 
102 scopula, - 
102 strigilata, - 
103 vespertind, —- 
101 | Pullastra virginea, 
53 vulgaris, - 
51| PUNCTURELLA, - 
51 Noachina, 
App. | PURPURA, - - 
App. Anglicana,  ~ 
104 lapillus, - 
App. | Pyramis Candidus, 
104 cingillus, - 
93 crenatus, - 
App. discors, - 
oil nitidissimus, - 
94 NIVOSUS, - 
94 | Rimula Fleming, 
93 Noachina, - 
93| Rissoa,- - - 
91 abyssicola, — - 
92 albella, - 
92 approxima,  - 
94 arctica, = 
95 | Beanii, = 
95 calathisca, - 
94 calathus, - 
94 cancellata, - 
2 cingillus, - 
93 costata, - 
93 costulata, - 
5) crenulata, - 
91 decussata, - 
App. Deshayesiana, 
95 diaphana, - 
91 divisa, - 
108 elata, - 
108 CxLgGUt, - 
108 fulgida, - 
111 fuscata, - 
all glabra, - 
17| ~— gracilis, - 
App. graphica, - 
32 inconspicua, - 
32 interrupta, — - 
33. 87 
