A few copies of the following works are still to be had 

 from the Author. 



Index to Desor's Synopsis des Echinides 



Fossiles. 8vo. 48 pp. 1910. Price 95. od. 



"le complement indispensable du 'Synopsis' de 

 Desor " Revue critique de Pal^ozoologie. 



"Should prove of great use to every worker on 

 Echinoids " Geological Magazine. 



" Dr. Bather has supplied a long-felt want and 

 has done a valuable service to all students of living 

 and fossil echinoids" Nature. 



Wachsmuth and Springer's Monograph on 

 Crinoids. A Review reprinted in 64 pp. from 

 the Geological Magazine for 1898-9, with 

 Portrait, Obituary, and Bibliography of 

 C. Wachsmuth, and an Index. Price 2s. od. 



" For the concise statements of his own views on 

 various questions all crinoid students will be under 

 lasting obligations to Mr. Bather " C. R. K. in 

 American Geologist 



4 ' Observations tres importantes . . . eclairees 

 par des figures indispensables " Revue critique 

 de Pal£ozoologie. 



(l His delightful Review " Ottawa Naturalist. 



