56 



a number of caterpillars, and that the parent insect had been kept 

 quite isolated. That at the time the moth was in the breeding-cage, 

 there was not only no male of the Euprepia present, but no male of 

 any Lepidopterous insect. M. Speyer has published similar observa- 

 tions in the ' Stettiner Entomologische Zeitung' for 1847, p. 18, with 

 respect to certain species of Psychidae ; whilst an analogous fact is 

 noticed by Lacordaire, in his 'Introduction a l'Entomologie,' ii. 283. 

 "Note sur la pretendue poussiere Cryptogamique qui recouvre le 

 Corps de certaine Insectes ; " by M. Charles Coqueril. This paper 

 is followed by another on the same subject, by M. A. Laboulbene. 

 " Notes pour servir a l'histoire du Cyrtonus rotundus, suivies de la 

 description de cette insecte et d'ane espece voisine;" by MM. E. 

 Mulsant and A. Wachran. (Read before the Academie des Sciences, 

 &c. de Lyon, July, 1849). " Catalogue des Carabiques recueilles par 

 M. Bocande dans le Guinee Portugaise, avec la description sommaire 

 des especes nouvelles ;" by M. Laferte-Senectere. The commence- 

 ment of this paper, which is published in several parts, will be found 

 in the 'Revue' for 1849. "Description d'un genre uouveau et 

 de quelques especes du groupe des Tettigonides ; " by M. Signoret. 

 Description d'un genre nouveau de l'ordre des Hemipteres Heterop- 

 teres, et de la section des Hydrocoryses ; " by the same author : both 

 papers are accompanied by plates. " Enumeration des Insectes qui 

 consomment les Tabacs ; " by M. Guerin-Meneville : with a plate. 

 " Pathologie des vers a soie (Bombyx mori, L.) etudes sur le sang ; " 

 by M. A. Focillon : a paper which appeared originally in the 

 ' Gazette des Hopitaux.* A paper relating to the same subject, viz., 

 " On the Diseases of Silkworms " was read by M. Guerin-Meneville, 

 at the Academy of Sciences of Paris, on the 26th of August. 



The 'Stettin Entomologische Zeitung'' for the year 1850, is rich 

 in memoirs and notices ; the principal papers are as follows : 

 " Catalogue of the species of Sphex of Linnaeus, found in the princi- 

 pality of Birkenfeld at Herrstein ; " by Tischbein. " On some new 

 Alpine Coleopterous Insects;" by Miller. "On the Rhizotrogus 

 marginipes, Mulsant ; " by Rosenhauer. " On Rhizotrossus foveola- 

 tus, a new species ; " by Bach (a corresponding member of our 

 Society) : and " Further observations on the Bostrichus Kaltenbachii ; 

 by the same author. " On the History, Economy, and Development 

 of Gonioctena 5-punctata, Fb., pallida, Fb., Leona cyanella and L. 



* Translated in the ' Annals of Natural History ;' see No. 29, for May, 1850. (Vol. v. 

 of second series). 



