Mangelia—(continued), 
levis, - - - 
Leufroyt, 
linearis, - - 
nebula, - - 
purpureus,  - - 
rufa, - - - 
septangularis, - 
striolata, . - 
teres, - - - 
turricula, . - 
Mangilia tiarula, 
Margarita arctica, - 
pusilla, - - 
undulata, - - 
vulgaris, - - 
Marginella levis, - 
Marsenia, - 
MELAMPUS, - - 
bidentatus, = - 
myosotis, - - 
Melania acicula, 
distorta, - - 
rufa, - - - 
scalaris, . - 
Scille, - - 
Mesodesia exiguum, - 
Modiola Papuana, - 
vulgaris, . - 
Mopioraria, - - 
discors, - - 
marmorata,  - = 
Molleria costulatum, - 
Monracura, - - 
bidentata, - - 
ferruginosa,  - - 
substriata,  - - 
tenella, - - 
Montagua Danmoniensis, 
Murex acuminatus, — - 
adversus, - - 
angulatus, — - - 
antiquus, - - 
Bamffius, - . 
Barvicensis,  - - 
carinatus, - - 
corneus, . - 
INDEX. 
PAGE| 
Murex—(continued), 
App, costatus, - . - 
92 elegans, - - - 
92 emarginatus, - - 
94 erinaceus, - - - 
93 gracilis, - - - 
95 linearis, - - . 
94 nebula, - . - 
93 purpureus, — - - - 
91 reticulatus, — - : - 
95 rufus, - . . 
94 scaber, - - - 
54 septangularis, - - 
o3 septem-angulatus, — - : 
55 tubercularis, - - - 
54 turricula, - - - 
App. | Musculus ex ceeruleo niger, - 
83 | Mya, - - - - 
110 arctica, - - - 
110 arenaria, - - dd. 
App. bidentata, - : - 
78 Binghami, — - - - 
80 byssifera, - - - 
77 declivis, - - - 
77 distorta, - - - 
78 ferruginosa, - - . 
16 mequivalvis, - - - 
10 nitida, - - - 
10 Norvegica,  - - . 
11 ovalis, - . - 
1 pretenus, — - - - 
11 prismatica,  - - = 
54 pubescens, - : - 
16 purpurea, = - - 
16 striata, - - - 
16 suborbicularis, - - 
LG. 17 substriata, —- - . 
16 truncata, - - 
57 | Myrtea spinifera, - - 
85 | Myrtizus, - - - - 
86 — discors, - - - 
95 discrepans, — - - - 
89 edulis, - - - 
88 Galloprovincialis, : 
88 imeurvatus,  - - - 
84 marmoratus, - - - 
89 modiolus, - - - 
