James.] 400 [Dec. 6, 



DESCRIPTION OF PLATES. 



All the specimens figured are the property of the Tulane University. 



Plate X. 



Fig. 1. Superior molars of Mylodon JiarlaniiOw., from separate teeth ; 

 nat. size, from below. 



Fig. 2. Mylodon harlanii Ow., grinding face of inferior m. iii from 

 above. 



Fig. 3. Mylodon renidens Cope, maxillary bone with teeth, from below. 



Fig. 4. Mylodon sulcidens Cope ; Inferior molar iii profile ; a from 



above. 



Plate XI. 



Fig. 5. Mylodon renidens Cope ; a, b, c, Inferior molars ii, iii and iv 

 from above. 



Fig. 6. Mylodon renidens Cope ; third inferior molar. 



Fig. 7. Mylodon sulcidens Cope; a, superior m. iv from below ; h, su- 

 perior m. iv from inner side. 



Fig. 8. Equus intermedins Cope, last five superior molars from below ; 

 nat. size ; with posterior extremity of maxillary bone. 



Plate XII. 



Fig. 9. Equus intermedins Cope ; Symphysis mandibuli from above ; 

 nat. size. 



Fig. 10. Equus intermedins Cope, basioccipital and part of the basisphe- 

 noid and adjacent regions ; nat. size. 



An Early Essay on Proportional Representation. 



By Edmund J. James 



{Read hefore the American Philosophical Society, December 6, 1S95.) 



On May 3, 1844, the American Philosophical Socielj', of Philadelphia, 

 gave Thomas Gilpin, Esq., permission to read a printed paper, entitled, 

 " On the Representation of Minorities of Electors to Act witli the Major- 

 ity in Elected Assemblies." Tlie paper had been printed by tlie author 

 at his own expense and dedicated to the Society. The date at the end of 

 the paper is May 1, 1844 ; in the dedication May 3, 1844. 



Two copies of the pamphlet are in the Pliiladelphia Library ; one is 

 reported to be in the Boston Athenaeum Library ; one is in the Harvard 

 College Library ; one in the Franklin Institute Library ; one in the 

 library of James Monaghan, of West Cliester, and there are probably also 

 copies in other libraries. It is a small pamphlet of fifteen pages and was 

 reprinted in the Penn Monthly in 1872. 



This paper is remarkable as being one of the first systematic discussions 



