These are composed of strontium sulfate crystals, which do not fossilize, and take the form of either ten diametric or twenty radial spines.

These scales, also called denticles, are similar in structure to teeth, and have one median spine, and two lateral spines.

These bottom feeders are generally considered edible, and have sharp spines rather than scales.

These protrusions, or spines, are designed to capture the neurotransmitters released by the presynaptic neuron.

These included increasing relative buoyancy in soft sediments by developing spines on the shell, gaining the ability to swim, and in a few cases, adopting predatory habits.

These form the endoskeleton, which takes on a number of forms that are externally expressed as a variety of structures, such as spines and granules.

These neighbouring cells secrete an organic pellicle on the outside of the developing spicule, whose aragonite is deposited by the central cell ; subsequent division of this central cell allows larger spines to be secreted in certain taxa.

These spines are used for locomotion, withdrawing the head and pushing forward, then gripping the substrate with the spines while drawing up the body.

These adaptations, variations on habit, trunks, branches, branchlets, spines, leaves, or flowers, are plentiful in demonstrating how Pachypodium as a genus fosters greater variation in its speciation.

These long visual fibers penetrated the lamina with arborizations, a tree-like branching of the fibers and spines.

These spines make it difficult for the nudibranchs to access the polypide of the zooid.

These leaves are modified into spines in many genera, in some ( e. g. Paliurus spina-christi and Colletia cruciata ) spectacularly so.

These spines are very sharp which aid the fish in defense.

These doors are almost always glazed, so as to allow the spines of the books to be read.

These animals are covered entirely with conical spines that are mostly uncalcified.

These fish have bifurcated subocular ( located under the eyes ) spines, which are used as a defense mechanism and for obtaining prey.

These spines normally lie flat, but may be extended when the loach feels threatened.

These Corydoras species have bony plates of armor and strong spines as defenses, making them less palatable ; by mimicking these species in size and coloration, Otocinclus avoid predation.

These Corydoras species have bony plates of armor and strong spines as defenses, making them less palatable ; by mimicking these species in size and coloration, Otocinclus spp.

These spines form a dense layer that obscures the stems.

These spines grow on a hard shell called the “ test ”, which encloses the animal.

These legs are actually flexible spines that were once part of the pectoral fin.

These tall neural spines did not closely resemble those of sail-backs such as Dimetrodon of the Permian Period.

These illiterate boors conscripted from villages all across the Czarina's empire had, Suvorov may have told Lewis, just two things a commander could count on: physical fitness and personal courage.

These new poems have only a few direct references to jazz and jazz musicians, but they show changes in Patchen's approach to his poetry, for he has tried to enter into and understand the emotional attitude of the jazz musician.

These have never gone out of style in Scandinavian homes and now seem to be reappearing here and there in shops which specialize in handicrafts.

These gentlemen already have done the party harm by their seeming reluctance to vote aid for the depressed areas and by their criticism of Mr. Kennedy for talking about a recession and unemployment.

These proposals would reduce the amount of tax that DuPont stockholders might have to pay -- from an estimated 1.1 billion dollars under present law to as little as 192 million dollars.

These arrangements would have been impossible if the business community was truly interested in the welfare of its employes.

These forty-seven special purpose governments have the authority to levy taxes, to borrow money, own property, sue and be sued, and in general to exercise normal corporate powers.

These registries are sponsored by 18 national medical, dental, and veterinary societies and have as their mission the assembling of selected cases of interest to military medicine and of establishing through the mechanism of follow-up of living patients the natural history of various diseases of military-medical importance.

These thermometers have now been sent to the United Kingdom for calibration at the National Physical Laboratory.

These provisions are designed to reflect the differences in wealth and population among the States, with the objective that a vocationally handicapped person have access to needed services regardless of whether he resides in a State with a low or high per capita income or a sparsely or thickly populated State.

These could be costly and have a serious effect both at home and abroad.

These destructive forces also have a seriously adverse effect upon the watersheds and their life-supporting waterflows, and upon the other renewable forest resources.

These specialists, I learned, have done a great deal of work to improve the size and health of the plants and the resulting flowers.

These engines have a cylinder diameter of 3-7/8 inches and a stroke length of 3 inches.

`` These recent steps do not offer the possibility of extension to the great number of senior engineers who have displayed technical competence.

These have to do with property rights, municipal official attitudes and a host of others.

These vehicles, with large sensitive areas, have collected data for long enough times to give reliable impact rates for the periods of exposure.

These dosages could have been increased by increasing the source strength which was small in this case.

These have been labeled Regions 1, 2, and 4, respectively, in Fig. 1.

These drugs have no effect on the iodide concentrating mechanism, but they inhibit organification.

These groups have varied widely from mere families, primitive, totemic groups, and small modern cults and sects, to the memberships of great denominations, and great, widely dispersed world religions.

These things have been disseminated by other means, but always in the wake of extensive publication of analytic results.

These children have been described as those who were trying to say something to adults who did not understand.

These have an upper-middle-class leadership and a middle-class membership, with rare exceptions, where working-class parents are active in local P.-T.A. matters.

These must have been for local calls strictly, as in May 1900 the `` only long distance telephone '' in town was transferred from C. B. Carleton's to Young's shoe store.