18G9.J 93 [Coues. 



the last named — they may amount to virtual consolidation. The 

 petro-mastoid and tympanic bulla are very late in coossifying with 

 surrounding bones. 



The basi-occipital (but not the basi-sphenoid) is perforated by 

 •what appears to be an extension of, establishing direct communication 

 between, the tympanic air-cavities. According to Owen (op. cit., p. 

 368), the basi-sphenoid is similarly perforated in Lepus timidus. 



Mr. H. A. Purdie announced the capture by Mr. C. F. 

 Maynard, of three specimens of the rare Tennessee Warbler, 

 in Newton. 



Rev. R. C. Waterston called the Society's attention to the 

 approaching centennial anniversary of the birth of Baron von 

 Humboldt, and suggested the celebration of the day by the 

 Society in some public manner. The proposition was re- 

 ceived with great favor by the members who subsequently 

 spoke upon the subject, and it was voted, on the motion of 

 Mr. Waterston, to choose a committee of three to consider 

 the subject and take such action as seemed advisable. The 

 President appointed Rev. Mr. Waterston, Dr. S. Kneeland 

 and Mr. S. H. Scudder, as the committee, to which the Pres- 

 ident and his Honor, Mayor Shurtleff, were subsequently 

 added. 



June 16, 1869. 

 The President in the chair. Seventeen members present. 

 The following papers were presented : — 

 Notice of a Cyclopean Pig. By Elliott Coues, M.D., U.S.A. 



I am indebted to my friend Dr. W. F. Smith, of the Army, for the 

 opportunity of examining the head of a newly born cyclopean pig. 

 The specimen, possession of which Dr. Smith has generously relin- 

 quished, has been deposited in Professor Wyman's cabinet. It is 



