18G7.] 137 [Abbot. 



if It were one of its own species. In fact, I do not think that lie per- 

 ceives his mistake, as I believe the only means he has of knowing this, is 

 the sensations received by means ol'his antennae. 



To make it clear I will illustrate my idea. For Instance if it is pro- 

 posed to unite a male Cecropia with a female Polyphemus, two male 

 Cecroplas will be procured, and also a female Polyphemus, and a 

 female Cecropia; the two females should be kept in a cage, and be- 

 tween midnight and one o'clock in the morning — as this time Is the 

 best for this species — the two males should be introduced, and they 

 will soon unite. As these Insects are of a different genus, of course 

 the eggs will not be Impregnated. 



March 6, 1867. 



Vice President, Dr. C. T, Jackson, in the chair. Forty-four 

 members present. 



Dr. J. C. White exhibited a specimen of Guarana, moulded 

 into the form of a Juraraca, the most poisonous of BraziHan 

 serpents ; it was brought from Brazil by Mrs. Agassiz, and 

 presented to the Society by Dr. B. E. Cotting. The Guarana 

 is made from the seeds of the PaulUnia sorbilis, which 

 are roasted, ground, mixed with water, mouhled and dried 

 hard in an oven. It contains a larger quantity of caf- 

 feine than either tea or coffee, and resembles in appearance 

 common chocolate ; dissolved in water it is used as a refresh- 

 ing drink, and as a remedy for fever and other ailments. 

 The Maues Indians, who manufocture it, believe it to be more 

 efficacious when made into the form of a serpent, as in the 

 specimen exhibited. 



Dr. S. L. Abbot read tlie folloAving transLation from the 

 XJnion .Medicale of Paris, giving au account of the chase and 

 capture of a large male Gorilla : — 



M. Henri de Parville gives. In his Review of the Sciences, in the 

 Constltudonel, the following interesting details of the capture of a 

 male gorilla : — 



A French geologist, a great collector of minerals and animals, at 

 this time In Gaboon, M. A. Berthlol, has sent us some details con- 



