PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 201 

 Table II — Continued. 



With the above data and those comprised in my report on the Lira- 

 pets and Chitons of Ahiska, &c., students shoukl be pretty well able to 

 refer any Chiton of whose characters they have made themselves masters 

 to its proper place in the general classification. 



November 30, 1881. 



