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Mactra purpurea, Spengl...... 125) Modiola divaricata, Phil. A5 | 
— _ pusilla, A. Ad. . 126 elongata, Sws........ 35 
— Reevei, Desh.........: 124 — emarginata, Bens..... 39 
— Reevesi, Gray ........ 127 — Evansi, E.A.Sm.... 36 
— reticulata, Spengl. |. 129 — Fortunei, Reeve 39 
— vostralis; Desh)....... 128 — glaberrima, Dunk. . 37 
— rugosa Indiae orientalis, — gracilis, Phil.. 40 
(Clits o ces Oe 129 = Hanleyi, Dunk. ..... 34 | 
_ setosa, Quoy ......... 124 | = Japonica, Dunk. ... 38 
— squalida, Lam. 124 | — lignea Reeves... 37 
- suleata;,, Valence... 3... 122 — Metcalfei, Hanl.. . 35 
IMLCETIC 16) eyes eer Hees ct oie 124 — modiolus, Linné 36 
Mactrinula see Mactra....... 126 _ nana, Dunk.. 43 
Maera see Tellina ......... 103 —= opitexs Phils. 44 
Malleus albus, (Ch.) Lam. .... 49 — — Say. £ 45 
— ANAbvINUSs oa ate: 49 — perfragilis, Dunk. . 38 
decurtatus, Lam.. 49 — Philippinarum, Hand! 36 
— figuratus; Ghee cece £9, - plumescens, Dunk. . 35 
~ resulayEorsk. je 9. <1 49 — ramosa, Cless..... 38 
— — — var. de- - rhomboidea, Hanl.... 34 
curtatus, Lam...... 49 —_ Rumphii, Phil. ... 36 
— tigrinus, Reeve. ... 49 | - semen, Lam. . 5 at's) 
= vulsellatus, Lam...... . 49) — Silicitlayluam:,12)ye: 42, 43 
Mantellum see Lima. | —  subramosa, Hanl. . 38 
Margaritifera see Pteria. | — tumescens, Dunker 
Martesia fluminalis, Blanf.. . 189 | (Clessin) 35, 36 
— Grayana, Leach ..... 189 | Modiolaria coenobita, Vaill.... 43 
-- multistriata, Sow. 189 | — coralliophaga, (Ch.) 
~ rivicola, Sow. . . 189} Gins Ae. saet: . 45, 188 
= striata (L.), Sow. 187, 188 | — Cumingiana, Dunk. 
Meretrix see Cytherea.... 130, 131 (Reeve) . .. 43 
Merope see Standella .... 128, 129 cuneata, Gould. . 43 
Meleagrina see Pteria. . 48 — divaricata, Phil.. 45 
Melina Cumingi, Reeve 51 — marmorata, Forb.. 43 
—  Isogonum, Linne...... 51 miranda, E.A.Sm.. 44 
— nucleus, Lam... 52 — nana, Dunk. . . 43 
Merisca see Tellina. opifex, Phil. . 44 
Mesodesma crassula, Desh... 123 | Moera see Tellina ......... 102 
— glabrata, Lam. 122 | Moerella see Tellina. 
-- mitis, Desh. .. . 122) Monothyra orientalis, Gm..... 186 
Savignyisouss). «2 122\Montacutais sso ae ee = 85 
= striata; Ch... 122, 123 = bidentata, Mont.. 86 
Mesodesmatidae....... 122 _— costata, nsSpiey. 85 
Metis see Tellina. = ferruginosa, Mont. 86 
Minutissima leguminum, Ch... 182 — japonica, A. Ad.. 86 | 
Modiola angusta, Cless.. . 38 — paula, A. Ad. ... 86 
- arcuatula, Hanl...... 37 rudis; n. sp)..... 88 
- barbata, Linné.... 35, 36 — triangularis, A. Ad. 87 
— cinnamomea, Lam.... 42 a variabilis, n. sp.. 87 
cultellus, Desh. ...... 38 — venusta, n. sp... 85 
— Cumingiana, Dunk. 43) Montagua . .vajoereisvie2 21> == 85 
— difficilis; Desh: 2..... WAS VLOTIEAG TLIC penenesce ents esl ete ake. < 85 
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Myidae. : 169 
Myodora rigors Reeee oe 5 iil 
Myrtea see Lucina 73, 78 
Mysia oblonga, Sow. 80 
Myutilicardia variegata, Brug? 67 
Mytilidae . i 33, 54 
Mytilus bilocularis, tinne a: 39 
— cinnamominus, Ch.... 42 
—  coralliophagus, Ch. ... 45 
— excisus, Wiegm. 40 
— fuscus, Gm....... 42 
— Hyotis, Linné........ 65 
_ lithophagus, Ch....... 40 
— Nicobaricus, Ch....... 39 
opalus,; Lames j..c 3.0. 34 
— smaragdinus, Ch.... 34 
— viridis, Minne . .,.7::. 33 
Naranio costata, Lam.,...... Toyz 
— divaricata, Chs....... 157 
_ lapicida, Ch..... 157, 188 
Nausitora edax, Hedl. . 191 
-- Manni, Wright 190 
Neaera fragilis, A. Ad. . 118 
Gouldiana, Hinds Scone 10K) 
— lata, Hinds oe 118 
—  pulchella, H.Ad..... 193 
TOSeass LIN dS ey eae ees 193 
—  Singaporensis, Hinds .. 192 
Novaculina andamanensis, 
Preston 184 
— Siamensis, Morl... 182 
Nucula Belcheri, Hinds....... 8 
—  convexa, Sow.... 7 
Cumingi, Hinds. . 7 
—  lLayardi, A.Ad........ 7 
Mauritiana, Sow. 9 
- puellata, Hinds....... 9 
— retusa, Hinds. 9 
—  serotina, Hinds 8 
-- tenella, Hinds .. 8 
Nuculana Belcheri, Hinds . 8 
-— mauritiana, Sow... . 9 
— nasuta, Sow..... 9 
— puellata, Hinds .... 9 
| —_— retusa; Hinds)... 9 
| Nuculidae............... 7 
Omphaloclathrum see Chione., 146 
Ostrea anatina, Gm......... bs 2) 
— arborea, Ch... 66 
- attenuata, Sow. ....... 64 
— circumsuta, Gould..... 64 
