444 



TWO NEW TRILOBITES FROM BOWNINO, 



It appears that the generic term Hausmamnia, proposed by Mr. 

 Etheridge, Junr., and Mitchell (These Proceedings, 2nd Ser., 

 x., 1895, p. 502) to take the place of Balmanites Barr., and 

 which had been previously suggested for a subgenus of Bal- 

 manites by Hall and Clarke (Pala?ont. New York, Vol. lxxxi.), 

 has been rejected by palaeontologists; and for this rejection I am 

 willing to admit there is very good reason, if there were no other 

 than that Balmanites has been so long in use and generally 

 accepted ; acting in compliance with this view the fossil above 

 described is placed in the Balmanites group, although it in some 

 minor features differs from the genotype B. eaudatus Brunn. For 



