Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 1; Volume 13American Philosophical Society, 1873 |
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abdomen Acad angle antennæ Anterior tibiæ apex aphelion apical arching at base basal Body beneath black broader carinate cavities chlorite coarsely punctured color concave convex corundum coxæ crest Curc damourite deeply densely punctured dilated disc distance dorsal fin elongate Elytra elytron Eobasileus Epipleuræ extending external subhumeral feebly arcuate femora finely punctured front genus groove hind tibiæ Horn humeral impressed inch inner intervals flat joining the sutural joint Journ Length longer than wide marginal stria Mars mean perihelion Mesosternum middle and hind moderately coarsely moderately convex moderately densely moderately shining molar narrow nearly oblique Occurs outer perihelion piceous planetary preceding species premolar Proc Prof prominent Propygidium prosternal Prosternum pubescent punc punctate Pygidium Rostrum Schönh Scutellum short sides slender slightly smooth Society specimen spinulose stria stria entire striæ subhumeral stria sutural tarsi Thorax tibiæ finely tourmaline transverse truncate tured Uintatherium Uranus Ventral segments Width
Popular passages
Page 180 - As it has been the inclination of kings and the choice of philosophers, so it has been the common favourite of public and private men ; a pleasure of the greatest, and the care of the meanest ; and, indeed, an employment and a possession, for which no man is too high nor too low.
Page 193 - in whatever direction a body moves on the surface of the earth, there is a force arising from the earth's rotation which deflects it to the right in the northern hemisphere, but to the left in the southern.
Page 235 - Switzerland. One day we strolled into the well-known philosophical instrument manufactory of Mr. Hipp, to whom, among other things, I mentioned the need of a Micrometer Divider for plotting, and drew at his request three of its possible forms, such as seemed to me the most feasible, giving him an order for one, and leaving him to select the form he preferred. On my return to Philadelphia in the spring of 1868 I received it in a broken condition. The chain had been snapped by some custom-house official,...
Page 237 - ... &c., &c. Two little screws hold the ring in place, whichever one may be in request for any particular plotting. 'When plotting on the scale of some other unit of distance is required another ring is substituted. Stated Meeting, May 2d, 1873. Present, 14 members. Prof. CHASE in the Chair. Letters accepting membership in the Society were received from Henry W. Acland, dated Radclitfe Library Museum, Oxford, England, April 10th, 1873 ; James Ed.
Page 27 - General color pale-orange, with illdefined blackish shade on the sides, and 7 quadrate-blackish spots at the base of the dorsal fin; below, bright yellow; dorsal and caudal fin yellowish at base, margins with a broad blackish band; 3 black spots...
Page 411 - That at the great period when the chromiferous chrysolite beds (in part subsequently altered into serpentine, etc.) were deposited, a large quantity of alumina was separated, which formed beds of corundum.
Page 27 - ... only three of which extend to the basis of the caudal fin, viz., the second, third, and fifth. The first extends to opposite the middle of the second dorsal. The fourth commences below and in front of the basis of the pectoral, and extends to a point a little behind that measured by the extremity of that fin.
Page 475 - I. The mean motion of Jupiter's perihelion is exactly equal to the mean motion of the perihelion of Uranus, and the mean longitudes of these perihelia differ by exactly 180°. II. The mean motion of Jupiter's node on the invariable plane is exactly equal to that of Saturn, and the mean longitudes of these nodes differ by exactly 180°.
Page 274 - ... coal field. The work thus described was continued from September 1, 1858, to November 1, 1859, seven months being passed in field work, and with the following results : 1st. A large contour-line map was made on a scale of three miles to the inch, which has never been published. The original plottings were on a scale of five hundred feet to the inch. This map includes only the ground covered by the survey, and shows the positions of towns, countyline crossings, coal openings and other points of...
Page 370 - Chrysolitic rock somewhat mixed with anthophyllite ; 2. a layer of micaceous rock; 3. a seam of chalcedony ; 4. a stratum of chloritic rock (ripidolite) ; 5. the same through which the corundum is regularly diffused, sometimes in narrow veins or widening out to several feet.