562 PHILOSOPHICAL TRANSACTIONS. [ANNO 1789. 



Banks, you may acquaint him from me, that the little brother is suspended by 

 tlie OS pubis; an elongation of the sword-like cartilage of Peruntaloo having 

 anastomosed with that bone at the symphysis. The lower orifice of the stomach 

 seems to lie in the sac or cylindrical cavity between the two brothers on the right 

 side, and what may be reckoned the right hypochondre of the little one, as that 

 part is tumid and full after eating. The alimentary canal must be common to 

 both, as the anus of the little one is imperforate. There is a bladder of urine 

 distinctly perceived, which occupies the left side of the sac, or left hypochondre 

 of the monster. Besides which, there remain only the sacrum, ossa innominata, 

 and lower extremities perfect. 



Peruntaloo says he has as complete a sense of feeling with every part of the 

 body of his little brother as of his own proper body, and this may account for 

 the erections you saw, and making water distinctly ; but this volition does not 

 extend to the legs or feet, which are cold in comparison with the rest. 



I am, &c. James Anderson. 



XFl A Supplementary Letter on the Identity of the Species of the Dog, Wolf, 

 and Jackal \ from John Hunter, Esq. F. R. S. p. l6o. 

 In the year 1787 I had the honour of presenting to the r. s. a paper to prove 

 the wolf, the jackal, and the dog to be of the same species. But as the com- 

 plete proof of the wolf being a dog, which consisted in the half-bred puppy 

 breeding again, had not been under my own inspection, though sufficiently well 

 authenticated, I saved a female of one of the half-bred puppies, mentioned in 

 that paper, in hopes of being myself a witness of the fact ; but when the period 

 of impregnation arrived, we unluckily missed that opportunity. However, 

 another half-bred puppy has had young, which is equally satisfactory to me as if 

 my own had bred. John Symmons, Esq. of Milbank, has had a female wolf in 

 his possession for some time, which was lined by a dog, and brought forth 

 several puppies. This was a very short time after the brood had been produced 

 by Mr. Gough's wolf, the subject of my former paper, therefore the puppies 

 were nearly of an age with mine. These puppies Mr. Symmons has reared; 

 only one of them was a female, and she had much more of the mother or wolf 

 in her than any of the rest of the same litter. I communicated my wish to Mr. 

 Symmons, that either his puppy or mine should prove the fact to our own know- 

 ledge; which he immediately, with great readiness, acceded to. On the l6th, 

 17 th, and 18th of December, 1788, this bitch was lined by a dog, and on the 

 18th of February she brought 8 puppies, all of which she now rears. If we 

 reckon from the l6th of December, she went 64 days ; but if we reckon from 

 the 17th, the mean time, then it is 63 days, which is the usual time for a bitch 

 to go with pup. These puppies are the 2d remove from the wolf and dog, 



