Proceedings of the Boston Society of Natural History. 



VOL. 33, No. 8, 

 p. 429-460, pi. 30-35. 





ON TURRITOPSIS NUTRICULA (McCRADY). 



BY WILLIAM KEITH BROOKS AND SAMUEL RITTENHOUSE. 



BOSTON: 



PRINTED FOR THE SOCIETY. 

 SEPTEMBER, 1907. 



