Plate. 
alicula, Hhrenberg  ......00... UN fe 
amygdala, Sowerby ............ II 
attenuata, Sowerby ............ V. 
@ranchiy each” snasscesceecees) UL 
cylindrica, Heblings ............ I. 
debilisssPeasemeaassces ssccneceee Ve 
dentifera, A. Adams..........++ Il. 
elongata, A. Adams ............ II. 
exigua, A. Adams ............ IV. 
ferruginosa, Chemnitz .......+. I. 
Guildinii, Sowerby .........46 Vic 
hiemalis, Couth............e00..s Mil. 
hordacea, A. Adams..........+. IN 
intermedia, Aradas ............ IL. 
monodonta, A. Adams......... Iii. 
musearia, Gwilding ............ I. 
At Ni iS. 
Species, | 
22 


Plate. 
naucum, Linneus............... L 
mitiday2A\ Aldamsi vars. veseceens IV. 
nonscripta, A. Adams ......... Te 
Ovoldea Qu0y. ~eicccecscanece: I 
OviullatasBnoccht a -ccasseceseees Ill. 
parallela, Gould ............... IV. 
parvula, A. Adams ............ V. 
porcellana, Guclding............ VE 
pyriformis, A. Adams ......... Il. 
semistriata, Gould ............ V: 
solida, eBruguiere scesecs-eeec nee: te 
speciosa, A. Adams............ Ui. 
succisa, Hhrenberg ............ 100. 
GOLLUOSAs As A CAMS neces sosenes Il 
truncatula, Bruguiére ......... II. 
utriculus, Brocchi............006 II. 
Species, 
