Petrifactions and Their Teachings: Or, A Hand-book to the Gallery of Organic Remains of the British MuseumH. G. Bohn, 1851 - 496 pages |
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Page 2
... process by which petrifaction is effected is still involved in obscurity ; mineral solutions have permeated the original tissues , and the organic molecules have been replaced by mineral molecules , but how . this transmutation is ...
... process by which petrifaction is effected is still involved in obscurity ; mineral solutions have permeated the original tissues , and the organic molecules have been replaced by mineral molecules , but how . this transmutation is ...
Page 83
... process of attach- ment , an articulated stem composed of numerous separate pieces of a solid calcareous substance ... processes , and supports a vase or recep- tacle , formed of a series of calcareous plates closely adjusted to each ...
... process of attach- ment , an articulated stem composed of numerous separate pieces of a solid calcareous substance ... processes , and supports a vase or recep- tacle , formed of a series of calcareous plates closely adjusted to each ...
Page 84
... process of attachment by which the animal was permanently fixed to the rock . The peduncle is in some species flat and expanded , like that of the Gor- gonia ; in others , it consists of long jointed processes . These several parts are ...
... process of attachment by which the animal was permanently fixed to the rock . The peduncle is in some species flat and expanded , like that of the Gor- gonia ; in others , it consists of long jointed processes . These several parts are ...
Page 86
... process of attachment : five pentagonal pieces are united to the sides of the central plate , and above these a like number of hexagonals , which receive the five upper plates that form the margin ; each of the latter has a semilunar ...
... process of attachment : five pentagonal pieces are united to the sides of the central plate , and above these a like number of hexagonals , which receive the five upper plates that form the margin ; each of the latter has a semilunar ...
Page 101
... processes are entire , and the articulating surfaces of the joints smooth and uninjured ; even portions of egg- shells , and mandibles , and the bony rings of the trachea or air - tubes , are preserved . In their general aspect these ...
... processes are entire , and the articulating surfaces of the joints smooth and uninjured ; even portions of egg- shells , and mandibles , and the bony rings of the trachea or air - tubes , are preserved . In their general aspect these ...
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Common terms and phrases
ancient animal arch articular articulated beds belong birds body bones British Museum carnivora caudal vertebræ cavity cervical Cetiosaurus chalk characters clay collection colossal convex coracoid cranium Crocodile crocodilian Cuvier deposits dermal Dinornis discovered distal dorsal Eningen Eocene extinct extremity feet femur figured and described fishes formation fossil fossil remains fragments Gavial genera genus gigantic humerus Hylæosaurus Ichthyolites Ichthyosaurus Iguana Iguanodon imbedded inches long integument length Lign limestone lower jaw Maidstone mammalia margin Mastodon Medals of Creation Megalosaurus Memoir metatarsals Monte Bolca Mosasaurus numerous obtained Oolite Organic Remains original osseous paddles phalangeal plates Plesiosaurus portion posterior present Professor Owen quarry remarkable reptiles resemble ribs sandstone saurians scapula shells skeleton skull slab species specimens spine stems stone Stonesfield strata structure surface Sussex Table-case tail teeth Teleosaurus tertiary tibia Tilgate Forest tooth Trans transverse upper vertebral column Wall-case Wealden Wonders of Geology Zealand