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Sepia officinalis (Linnaeus).
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Loligo vulgaris, with its feather, or internal bone (Lamarck).
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Indian Deep-Sea Mollusca. Chiroteuthis pellucida, from the Bay of Bengal, 922 fathoms
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Stoleteuthis iris, lateral view of type [31].
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Taonius paso Lesueur, d'apres Joubin, face ventrale (Princesse-Alice).
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Sepia tuberculosa (Limarck).
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Megalocranchia fisheri, ventral view of type.
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Cephalopode Transparent : Grimalditeuthis Richardi. Le Transparence de ces mollusques est si parfaite qu'il devient parfois difficile de deisinguer l'ensemble de leur corps; en revanche, elle permet de faire de curieuses observations sur les fonctions de certains de leur organes
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Internal bone of Sepia officinalis.
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Two stages in the development of Loligo vulgaris Lam.; a,a, first and a2,a2 second pairs of arms; br, branchiae, seen through m, mantle; e, e, eyes; f, fins; fu, funnel; v.s, vitelline sac. 1895. Loligo--Development.
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Two stages in the development of Loligo vulgaris Lam.; a,a, first and a2,a2 second pairs of arms; br, branchiae, seen through m, mantle; e, e, eyes; f, fins; fu, funnel; v.s, vitelline sac.
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Stoloteuthis iris, ventral view of type [31[.
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Taonius hyperboreus Stp., N. Atlantic.
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Histioteuthis de Bonelle. Bistioteuthis Bonelliana
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Ommastrephes hawaiiensis, ventral view of type [243].
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Grimaldituthis Richardi, d'apris Joubin, face ventrale (Princesse-Alice).
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Sepia officinalis (Linnaeus).
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Bathyteuthis abyssicola (After Hoyle).
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Cephalopods. Ommastrephes illecebrosus V
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Sketch of Deep-Sea Luminous Cuttle-Fish with numerous light-organs.
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Shell of Spirula Peronii Lam:. A, Outside view; B, showing last chamber and position of siphuncle
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Sepia officinalis L., with mantle cut away to show position of internal shell. (The ends of the tentacular arms are cut off).
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Cephalopods. Chiroteuthis lacerlosa Verrill; Loligo Pealei var. Borealis
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Ommastrephes illecebrosus.
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Gigantic Cuttle-Fish.