VIU LIST OP ILLUSTEATIONS, 



PAGE 



Fig. 27. — Three figures of animal and shells of Spirula Peronii, Lamk. ; 



New Zealand 11 



,, 28. — JSelemnoteuthis antigua, Cxmmngton; Oxfordian, "Wilts 12 



,, 29. — Two restorations of animal and shell of Belemnite (after 



D'Orbigny) 12 



,, 30. — Ammal and sheU. oi Ommastrephes saffiitatus, Lavak. ; British ... 13 



,, 31. — Animal of Belemnite restored (after Owen) 14 



,, 32. — Plesioteuthis (Dorateuthis) Syriaca, H. "W., sp. ; Cretaceous, 



Lebanon ... ... ... ... ... ... ... ... 14 



,, 33. — Fossil booklets of Cephalopod; Lithographic Stone, Solenhofen 15 



,, 34. — Female Argonaut in act of swimming 16 



,, 35.— («) Female oi Argonauta argo, Linn., contracted into its shell; 



{b) the shell 15 



,, 36.— Animal and shell of Cheiroteut his Vefanyi, WOrh.; Atlantic ... 16 



,, 37. — ,, ,, Nautilus pompiliut, Linn. ... ... ... 18 



,, 38. — Shell of JVawit^w* (seen in section) 18 



,, 39.— A. Aturia aturi, 'Rasi. ', Miocene, Dax and Bordeaux 19 



B. ,, ,, var. Australis, M'Coy ; Miocene, Victoria, 



Australia 19 



,, 40. — Section of JVaM<i?M« »<r»aiM«, Sby, ; Lias, Charmouth 20 



. ,, 41. — A tur ia ziczac, J. Shy.; London Clay, Highgate 21 



,, 42. — On Aoc(?rrts or«aiMm, Boll ; U. Silurian, Gothland 22 



,, 43a. — Fragment of Actinoceras Bigsbyi, Bronn; Ordovician, Ken- 

 tucky, U.S 23 



,, 433. — Ideal section (restored) of -4 c<i«oc<?ras, showing structure ... 23 



,, 44. — Huronia vertebralis, ^iokes ; Drummond I., Lake Huron ... 24 



,, 45. — Piloceras invaginatum, SaXier \ Durness Limest., Sutherlandshire 24 



,, 46. — Gomploceras; Silurian. «, nearly straight form ; J, curved form 26 



,, 47. — Views of interior of Ascoceras manubrium, Lindstr. ; C. Silurian, 



Gothland 26 



,, 48. — Cyrtoceras (Meloceras) elathratum, Foord; Silurian, Calvados, 



France 27 



,, 49. — Ophldioceras simplex, HarvdinAQ', Silurian, Bohemia 27 



,, 60. — H>rcoceras mirum,Ba.TrandiQ; Devonian ,, 28 



,, 61. — Biscites mutabiliSyWQoj; Carboniferous Limestone, Ireland ... 29 



,, 62. — Cmlonautilus mulliearinatus, Shy. ,, „ ,, ... 29 



,, 63. — Solenoeheilus conspicuum, De Kon. ,, ,, ,, ... 30 



„ 64. — Goniatites {Glyphioeeras) sphcericus, Martin ; Carboniferous 



Limestone, Derbyshire 31 



,, 55. — Goniatites (Brancoceras) Ixion, Hall; Goniatite Limestone, 



Indiana ... ... ... ... ... ... ... ... 31 



,, 66. — Goniatites {Prolecanites) oompressus, Sby. ; Carboniferous Lime- 

 stone, I. of Man 31 



I, 67. — Ceratites nodosus, Be B.aaa; Muschelkalk 33 



,, 68. — Trachyceras Aon, Miinst. ; Alpine Trias 33 



,, 69. — Phylloceras heterophyllum, Sby. ; U. Lias, "Whitby 34 



