Proceedings, 22. köide |
Contents
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Common terms and phrases
A. A. A. S. VOL acid American Amphioxus appear Arctic Arctic ocean Association axis beds body Boston brain Brest Capt Casco Bay Centrarchus centre character clay coast color Crustacea curve deposits described diameter dorsal dose east elutriator entomologists evidence F. W. Putnam fact fathoms feet figures Fishes fissures fluid formation fossils genus geological gneiss graves Greenwich Grystes Gulf Stream hundred Hyptiotes inches long insects Island Lake larvæ length less limestone Lower Helderberg Mass median Micropterus miles mountain natural nearly Niagara nigricans observations ocean Ohio operculum paper photosphere plate portion Portland precession present probably Prof quartzite region River rocks schist scientific sediments seen shell side Silurian slate soil species specimens Spitzbergen stone storm strata stream surface Swanton synclinal thickness tion tube valley vent York
Popular passages
Page 89 - Of three specimens from an inch and a quarter to an inch and a half in length...
Page xvii - The objects of the Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science In different parts of America, to give a stronger and more general impulse and more systematic direction to scientific research, and to procure for the labors of scientific men increased facilities and a wider usefulness.
Page 22 - ... imagination — this God makes himself sufficiently visible by the endless wonders of which he is the author, but continues always invisible in himself. Let us not then refuse to believe even what we do not see, and let us supply the defects of our corporeal eyes by using those of the soul ; but...
Page 136 - Between the surface of the water that shelves off prodigiously, and the foot of the precipice, three men may cross in abreast without further damage than a sprinkling of some few drops of water.
Page 395 - And assuredly, there is no mark of degradation about any part of its structure. It is, in fact, a fair average human skull, which might have belonged to a philosopher, or might have contained the thoughtless brains of a savage.
Page 17 - ... mysterious in its course and operation, and as hard to be understood, as that of motion, light, or any other of the recognized forms of the energies of matter. Yes! after we have studied the heavens and all contained therein that the aided eye can reach, we shall yet have to descend to earth and study the every-day physical phenomena that are in and around men, finding even greater mysteries to unravel that meet our unaided senses every moment of our existence. I come now to the last point to...
Page 135 - In conclusion, we may say a word regarding the proximate future of Niagara. At the rate of excavation assigned to it by Sir Charles Lyell, namely, a foot a year, five thousand years or so will carry the Horseshoe Fall far higher than Goat Island. As the gorge recedes it will drain, as it has hitherto done, the banks right and left of it, thus leaving a nearly level terrace between Goat Island and the edge of the gorge.
Page 72 - Mouth, with the cleft moderately oblique, large (the supramaxillary (1) nearly to or (2) beyond the vertical of the posterior border of the eye). Supramaxillary with the accessory ossicle well developed. Lips : upper, little developed ; lower, moderate on the sides, but separated by a very wide isthmus. " Tongue moderate and free. "Teeth on the jaws in a broad band, acute, curved backwards, and increasing in size towards inner rows ; on the vomer, palatines and pterygoids, villiform. " Branchiostegal...
Page 179 - Helderberg group corresponds in character and position with the Hudson of the Lower Silurian and completes the Upper Silurian series by a return to land conditions. The two circles of deposition which have been described are grouped together under the term Silurian, but as each is complete in itself and is a record of a totally distinct round of changes, and as the fauna of the two systems have almost nothing in common, it will, I think, be generally conceded that it was an error to combine them...
Page 165 - For the young ones supposed to break through the belly of the Dam, will upon any fright for protection run into it; for then the old one receives them in at her mouth, which way the fright being past, they will return again, which is a peculiar way of refuge...