File: Biston betularia. png | Peppered Moth caterpillars are superb twig mimics on birch ( left ) and willow ( right ) branches

Biston betularia morpha typica, the standard light-colored Peppered Moth.

Biston betularia morpha carbonaria, the melanic Peppered Moth, illustrating discontinuous variation.

The peppered moth ( Biston betularia ) is a temperate species of night-flying moth.

Biston betularia caterpillars on birch ( left ) and willow ( right ), demonstrating twig mimicry.

It is a common mistake to confuse the name of the morph with that of the species or subspecies, hence mistakes such as " Biston carbonaria " and " Biston betularia carbonaria ".

European breeding experiments have shown that in Biston betularia betularia, the allele for melanism producing morpha carbonaria is controlled by a single locus.

In Biston betularia cognataria, the melanic allele ( producing morpha swettaria ) is similarly dominant to the non-melanic allele.

Biston betularia betularia morpha typica, the white-bodied peppered moth.

Biston betularia betularia morpha carbonaria, the black-bodied peppered moth.

* An interactive game to simulate how evolution works with Biston betularia

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* Peppered moth ( Biston betularia ), the subject of a well-known study in natural selection.

Ford was the supervisor of Bernard Kettlewell during Kettlewell's famous experiments on the evolution of melanism in the peppered moth, Biston betularia.

* Peppered moth, Biston betularia,

His grant was to study industrial melanism in general, and in particular the peppered moth Biston betularia which had been studied by William Bateson during the 1890s.

The peppered moth, Biston betularia, is justly famous as an example of a population responding in a heritable way to a significant change in their ecological circumstances.

In Science, Grant ( 2002 ) critically summarised the book's content, saying " What it delivers is a quasi-scientific assessment of the evidence for natural selection in the peppered moth ( Biston betularia ), much of which is cast in doubt by the author ’ s relentless suspicion of fraud ".

The peppered moth Biston betularia is also a model of parallel evolution in the incidence of melanism in the British form ( f. carbonaria ) and the American form ( f. swettaria ) as they are indistinguishable in appearance.

Biston is a genus of large, long-winged moths belonging to the family Geometridae.

) the peppered moth, Biston betularia, whose color is determined by two allele genes C and c. The CC and Cc moths are dark, while the cc moths are light.

In 25 years we have only found two betularia on the tree trunks or walls adjacent to our traps, and none elsewhere ".

( The best evidence is that he received a monthly wage of about $125, very good money in an era when top hands worked for $30 and found.

The personal quality of Samuel Beckett is similar to qualities I had found in the plays.

In the work of every artist, I suppose, there may be found one or more moments which strike the student as absolutely decisive, ultimately emblematic of what it is all about ; ;

And it is precisely in this poorer economic class that one finds, and has always found, the most racial friction.

but when the bird is found at last, it turns out to be a fake.

This is important to understanding the position that doctrinaire liberals found themselves in after World War 2, and our great democratic victory that brought no peace.

Since a civilizational crisis involves also a crisis in private interests and in the ruling class, reaction is normally found among those who feel themselves to be among the ruling class.

The basic truth in the reactionary response is to be found in its realistic assumption of the primacy of the real over the ideational.

A characteristic expression of such concern and inquiry is found in Joseph P. Lyford's Introduction To The Agreeable Autocracies, a recent paperback study of the institutions of modern democratic society.

Ptolemy's problem is to forecast where, against the inverted bowl of night, some particular light will be found at future times.

Although it is constantly made to look foolish ( too simple to come in out of the rain, people say, who have found in the innocent an impediment ), it does not mind looking foolish because it is not concerned with how it looks.

In his effort to stir the public from its lethargy, Steele goes so far as to list Catholic atrocities of the sort to be expected in the event of a Stuart Restoration, and, with rousing rhetoric, he asserts that the only preservation from these `` Terrours '' is to be found in the laws he has so tediously cited.

If `` Jack the Courtier '' is really to be taken as Swift, the following remark is obviously Steele's comment on Swift's change of parties and its effect on their friendship: `` I assure you, dear Jack, when I first found out such an Allay in you, as makes you of so malleable a Constitution, that you may be worked into any Form an Artificer pleases, I foresaw I should not enjoy your Favour much longer ''.

Some historians have found his point of view not to their taste, others have complained that he makes the Tory tradition appear `` contemptible rather than intelligible '', while a sympathetic critic has remarked that the `` intricate interplay of social dynamics and political activity of which, at times, politicians are the ignorant marionettes is not a field for the exercise of his talents ''.

What evidence is available would seem to indicate that Brooks, unlike his older brother Henry, had most of the methodological vices usually found in the amateur.

Softness is found in crushed textures.

Just the barest suggestion of a heel is found on teenage pumps.

An illustration of this attitude is found in John A. McCone's letter to Dr. Thomas Lauritsen, reported in a note elsewhere in this issue of The New Republic.

One indication of the merits of the new management is found in the fact that during the period 1951-1956, while total annual mileage put on the vehicles increased 35%, the total maintenance cost increased only 11%.

No satisfactory solution has been found, but this is due more to the difficulties inherent in the problem than to a lack of interest or diligence on the part of the assessors.

Several germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.

if such person is deceased or is under a legal disability, payment shall be made to his legal representative: Provided, That if the total award is not over $500 and there is no qualified executor or administrator, payment may be made to the person or persons found by the Comptroller General of the United States to be entitled thereto, without the necessity of compliance with the requirements of law with respect to the administration of estates ; ;