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Acanthonotus Owenii, 2.
Acanthosoma, 7.
AchÆus, 7 (2).
Achtheres, 12.
—— percarum, 9 (2).
Allorchestes, 4, 8.
Alpheus, 6, 7, 12.
Amphilochus, 2, 8.
Amphipoda, 3, 6, 8 (2), 12.
AmphithoË, 2, 8.
Anceus, 8.
Anelasma squalicola, 12.
Anilocra, 6.
Aratus, 2.
—— Pisonii, 5.
Artemia, 9.
Asellus, 8.
Atylus, 8.
—— carinatus, 2.

Batea, 8.
Bodotria, 4, 8.
BopyridÆ, 8 (2).
Bopyrus, 8 (2).
Brachyscelus, 6, 8 (2), 9, 10 (2), 12.
—— crusculum, 8.
Brachyura, 12.
Branchiopoda, 9.

CalanidÆ, 10.
Caligus, 8.
Caprella, 8 (3).
—— attenuata, 6.
—— linearis, 6.
Carcinus mÆnas, 7.
Caridina, 7.
Cassidina, 6, 8 (3).
Cerapus, 2, 8 (3).
Chalimus, 8.
Chondracanthus, 9.
Chthamalus, 9.
Cirripedia, 9 (2), 10.
Cladocera, 9.
Copepoda, 4, 9 (2), 10, 12.
Corophium, 8 (2).
—— dentatum, 8.
CorycÆidÆ, 10.
Crangon, 7.
Crayfish, 10.
Cryptoniscus planarioÏdes, 8 (2).
Cryptophialus, 12.
—— minutus, 9.
Cuma, 8.
Cumacea, 8.
Cyclograpsus, 4, 5, 7.
CyclopidÆ, 10.
Cyclops, 9 (2), 10.
Cyclopsine, 9.
Cymothoa, 8.
Cymothoadiens, 8.
Cypridina, 10.
Cypris, 8, 10.
Cyrtophium, 2, 8, 10.
Cythere, 10.

Daphnia pulex, 8.
DercothoË, 8.
DiastylidÆ, 4, 8.
Dichelaspis Warwickii, 12.
Dulichia, 8 (2), 10.

Edriophthalma, 3, 6, 8.
Entomostraca, 9.
Entoniscus, 8.
—— cancrorum, 6, 8 (2).
—— porcellanÆ, 6, 8 (2), 12.
Erichthus, 7.
Eriphia gonagra, 2, 5.
Euphausia, 7 (2), 10, 12 (2).
Eurynome, 7.
Evadne, 8.

Filograna, 11.

Gammarus, 8.
—— ambulans, 8.
—— Dugesii, 4.
—— puteanus, 6.
Gecarcinus, 7 (2).
Gelasimus, 2, 4 (2), 5, 7.
—— vocans, 5.
GlaucothoË Peronii, 7.
Grapsus, 5 (2).

Hermit Crabs, 7 (3), 12.
Hippa emerita, 7 (2).
Hippolyte, 7 (2), 12.
Hyperia galba, 8.
—— Latreillei, 8.
—— Martinezii, 8.
“HypÉrines anormales et ordinaires,” 6, 8.

Idothea, 8 (2).
Insecta, 11.
Isopoda, 3, 6 (2), 8, 12.

Kepone, 8.

LÆmodipoda, 6.
Lepas, 9 (2).
—— anatifera, 6.
—— australis, 9, 12.
LernÆodiscus porcellanÆ, 9.
Lernanthropus, 9.
Lestrigonus, 8 (2).
Leucifer, 7, 8, 10, 12.
LeucothoË, 2, 8.
Ligia, 8 (2), 10, 12.
Lobster, 7, 10.
Lupea diacantha, 5.

Macrura, 7, 12.
Maia, 7 (2).
Megalops, 12.
Melita, 8.
—— anisochir, 2.
—— exilii, 2 (2), 4.
—— Fresnelii, 2 (3).
—— insatiabilis, 4 (2).
—— Messalina, 4 (2).
—— palmata, 2, 4.
—— setipes, 2.
—— valida, 2.
Microdeutopus, 3, 8.
Montagua, 8.
Mysis, 7, 8, 10 (3), 12 (2).

“Nauplius-larvÆ”, 3 (3), 7, 8, 9 (3), 12 (2).
Nebalia, 9.
Niphargus, 6.

Ocypoda, 2, 5 (2), 7.
—— rhombea, 5.
Orchestia, 8 (2), 10.
—— Darwinii, 4 (2).
—— gryphus, 4.
—— sylvicola, 4 (2).
—— tahitensis, 4.
—— telluris, 4 (2).
—— Tucurauna, 8.
—— Tucuratinga, 8.
Orchestoidea, 8.

Pagurus, 12 (2).
PalÆmon, 7 (3), 10, 12 (2).
Palinurus, 7, 10, 12 (2).
Peltogaster, 9.
—— socialis, 9.
PenËus, 3, 10, 12 (2).
—— setiferus, 7.
Persephone, 12.
Philoscia, 8 (2), 12.
Phronima, 6, 10.
—— sedentaria, 8.
Phryxus, 8.
Phyllopoda, 9.
Phyllosoma, 7 (2).
Pinnotheres, 7.
Podophthalma, 7.
Polyphemus, 10.
PontellidÆ, 10.
Porcellana, 7 (3), 10, 12 (2).
—— stellicola, 7, 12.
Porcellionides, 8.
Praniza, 8.
Prawns, 7, 12.
Protella, 8.
Protula, 11.
PycnogonidÆ, 9.

Ranina, 2, 5.
Rhizocephala, 9 (2), 10, 12.

Sacculina purpurea, 9 (5).
Scalpellum Peronii, 12.
Sergestes, 7.
SerpulÆ, 11.
Sesarma, 2, 4, 5, 7.
Shrimps, 7.
SphÆroma, 8.
Squilla, 6, 7 (2), 12.

Talitrus, 8.
Tanais, 6 (2), 8 (2), 10, 12.
—— dubius, 4.
—— Dulongii, 3, 4.
Tatuira, 7 (3), 12.
Tetraclita porosa, 9 (2).
Trilobites, 9.

Xantho, 7.
Xiphosura, 9.

ZoËÆ, 3 (2), 6, 7 (2), 12 (3).