SCIENXIHC NEWS. O/l 



divifiot), by iXl.r Gionia, Tliis fifli is ihe ajprinus idus ;Mimo'ns of th^ 

 the male only has prickles, and lofes them after ^pa^^"'"g dTm^'of Sd-" 



time, ences, &c, of 



1 .5, A chemico-medica! efTay on the pulmonary confumption, Turin. 

 by Jof, Hypc. Rizzetti. The principal fubjed of this eflay is 

 the nature of the matter expectorated. 



The following papers are by foreign members. 



1. JNTemoir on the ufe of varying the conflant quantity-in 

 fumming up equations with variable coefficients, by Dr. 

 Brunacci. 



2. A f\{lematiral enumeration of the coleoplera found in tiie 

 territory of Saluzzo, with oblervations, by Law.- Ponza. To 

 this catalogue are annexed two plates, containing the follow- 

 ing new (pecies, Cvccinellanumeralis, — c.objblela, — curculio 

 fpinofus, — c. dubius, — c. rugofus, — cerambj/x prccujius, — c. nie- 

 lanocephalus, — chryfomela mdunncephala, — ch. variegata, — ch. 

 pretiofa, — ch, hiduofa, — -fcarabaus rufcffcens% — cnntharis imprej'- 

 jlf'rons, — atidabus funercuSf — dj/tijaisJilphoidt's,—'tenehno rufus, 

 — birrliusroffli, — carabus attcnuatus, — c. metallicus, — c. roffii, — 



forficula bipuntUita, — fdpha finuata, — f. fcabra. 



3. On the motion of the hairs of the fij/pnmnadiantoides, by, 

 Palaraedas de SufFren. Parts endued with irritability had al- 

 jeady been obferved in the hairs of fome modes. Mr. De S. 

 has found it in thofe of the /*. a. and defcribes all the fingulart- 

 ties of the phenomenon. This paper is accompanied with a 

 plate. 



4. Of a refin employed by the bee in conftruding its comb?. 

 By Fr. Mouxy Deloche. 



5. Entomological obfervations ; by Mr. Difderi. Mr. D. 

 firft (ketches ihe hi/lory of the filkworm ; and then proceeds 

 to certain hymenoptera, chiefly of the genera tenthredo, ich' 

 vewnon, fphex, et vejpa. 



6. Specimen of the fungi of the %'ale of Pifa, by Hugh 

 Camino. The new fpecies are figured on three plates. They 

 are Agaricus elatior : a. miniatus : a. pezizoides : a. aftro-, 

 fanguineus: a. tricolor: Boletus (cobinaceus : Helvellagrandis:. 

 h. reflexa ; b. inflata : Peziza achracea : p. pyriforrais : Re-' 

 ticularia rofea : Mucor fruticulofus. 



7. Obfervations on the native gold found among fand, by 

 Lew. Boffi, of Milan, 



To 



