138 REPORT ON ZOOLOGY, MDCCCXLIII. 



toma, Gueriu ; Anchytarsus, Guerin ; Cneoylossa, Guerin. Nothing is stated, 

 so far with respect to the contents of each genus. 



CYPHONITES. A monograph of Euclnetus, Schiipp., (Nyctetts, Latr.), is 

 published by Guerin, in the fourth Livraison of the ' Auim. Artie.' The 

 genus is still limited to the two species, E. heemorrhoidalis, Germ., and 

 E. meridionalis, Lap. 



LAMPYKID.E. Matteucci has communicated to the Academy of Paris the 

 results of his researches on the nature of the luminous material of the 

 Lampyris italica, in a letter to Dumas. This insect, "St. John's Worm," 

 contains a substance which emits light without any perceptible heat, and 

 also without its being requisite that the animal should be entire, or even 

 living. In carbonic acid gas, and in hydrogen, the luminosity ceases after 

 30 to 40 minutes, if the gases are pure. In oxygen the light is decidedly 

 more brilliant than in atmospheric air, and lasts three times as long, as well 

 in the separated luminous segments as in the whole insect. When the lu- 

 minous matter shines in oxygen or atmospheric air, a portion of the 

 oxygen is consumed, and replaced by a corresponding quantity of carbonic 

 acid. Warmth, up to a certain point, exalts the luminous power, and cold 

 produces the reverse effect. Too elevated a temperature disorganizes the 

 luminous matter, and the same takes place also in air, and in other media, 

 when it is separated from the animal ; but the luminous power may also 

 cease before the death of the insect. (Compt. Rend. Fror. N. Notiz. 27 

 Bd. s. 168; Ann. Nat. Hist, xii, p. 373.) 



Phengodes pulchella, Roulinii, Meyaloplitlialmus collaris, Gueriu (Rev. Zool. 

 p. 17), arc new species from New Granada. 



LYCIDJS. Mauuerheim (Bull. Mosc, p. 88) found in Finland, JHctyoptera 

 fii/brida, a new species, standing midway between D. aurora and affmis, but 

 more nearly allied to the former, from which it differs in the colour, which is 

 a deep black beneath, and more of a blood-red above, in the twice as broad 

 rhomboid central cell of the prothorax, and the wider interstices of the elytra. 



Two species from Sitka, D. ha mat us, and simplicipes, are characterized by 

 the same. (Ib. p. 245.) 



Li/cm a/ppendiculatus, Sturm (Catal. p. 329, pi. i, fig. C), from Senegal, 

 is Laporte's L. africanus. 



TELEPHORIB^. Schummcl (Arb. uud Verand. der. Schles. Gcsellsch. Yr. 

 J. 1843, s. 193) has found in Silesia two species of Caiitharis, of which, 

 the one, C. vielanoceros, is without doubt identical with C. barbara, F. ; the 

 other, C, denticollis, black; the whole prothorax and legs red, tarsi blackish 

 at the tip, 2f long; differs from C. fulcicollis, Gyll., in the entirely black 

 head, shorter black antennae, and the uniformly yellowish red colour of the 

 inferior surface. The posterior angles of the prothorax project as a small 

 pointed tooth. 



