SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 125, NO. 2, PL. 4 



I, Turbonilla (Chemnitsia) eurytioni, type; 2, Turbonilla (Chemnitsia) hesperusi, 



type; 3, Turbonilla (Chemnitsia) terra, type; 4, Turbonilla {Chemnitzia) cacusi, type; 



5, a, b, Turbonilla (Chemnitsia) atlasi, cotypes ; 6, Turbonilla (Chemnitsia) antaeiisi, 



type; 7, Turbonilla (Chemnitsia) cerberusi, type; 8, a, b, Mormula woodringi, type; 



9, a, b, Mormula mansfieldi, type ; 10, a, b, Mormula gardnerae, type. 



