. The Intellectual observer. inEngland, and is not found in any abundance. It is lighter incolour, and has a duller glaze than the true Samian ware,which, however, it resembles in its forms. It is generallyplain, but Mr. Roach Smith has given, in his Collectanea,engravings of two very curious attempts to imitate theembossed ornaments of the Samian ware. One of these(Gollectan. vol. i. p. 159), found at Castor, in Northampton-shire, by Mr. Artis, was a piece of a bowl, the design uponwhich was evidently copied, but very unsuccessfully, from aSamian ware model. The other (Gollectan. vol. iv. p.
. The Intellectual observer. inEngland, and is not found in any abundance. It is lighter incolour, and has a duller glaze than the true Samian ware,which, however, it resembles in its forms. It is generallyplain, but Mr. Roach Smith has given, in his Collectanea,engravings of two very curious attempts to imitate theembossed ornaments of the Samian ware. One of these(Gollectan. vol. i. p. 159), found at Castor, in Northampton-shire, by Mr. Artis, was a piece of a bowl, the design uponwhich was evidently copied, but very unsuccessfully, from aSamian ware model. The other (Gollectan. vol. iv. p. 68) wasfound at Oundle, in Northamptonshire. Mr. Smith describesit as made of a light red clay, glazed within and without witha thin reddish-brown and somewhat lustrous glaze. In sub-stance it is not so compact and hard as the Samian ware; butthe figures are equally well executed with the best of theusual Samian ware designs. The mark of the potters name,stamped on the external side, is OFLIBERTI. 238 Spectroscope SPECTROSCOPE APPARATUS. In our first volume, p. 362, we published a paper on SpectrumAnalysis, in which the elementary principles of the processwere explained; and in vol. iii. p. 338, will be found a veryimportant article by Mr. William Huggins on SpectrumAnalysis applied to the Stars. In this paper, Mr. Hugginsdetails many interesting results, arrived at through his ownadmirable investigations, and he prefaces this part of the sub-ject by a very lucid explanation of spectroscope are also given of the spectra of several of the mostimportant metallic and other substances, and of those affordedby ac Orionis, Sirius, and Aldebaran. Since this account waswritten, Mr. Huggins has continued his researches with aperseverance and skill that have placed him in the first rankof observers, and enabled him to throw light upon questionsof the highest interest in astronomy and physics. We hopevery shortly to lay before our readers a full account of
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