MR HARVEY on an Anomalous Case of Vision. 



in the other through the mother. In some families, this pecu- 

 liarity of vision appears to be transmitted through a son, with- 

 out affecting in the smallest degree a daughter ; and in other 

 cases precisely the reverse. In the present instance, however, 

 the anomaly appears to have originated with the individual, no 

 member of his family being similarly circumstanced, he having 

 always regarded himself as a singular and unfortunate exception 

 to the whole. 



PLYMOUTH, July 20. 1823. 



