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[Key to Species of Euplecta. 



A. Shell turbinate or subturbinate, thin, horny, finely 



decussated above ." ". layardi. 



subdecussata. 

 baconi. 

 acalles. 

 pulcJiella. 



B. Depressedly turbinate, or turbinate or lenticular, 



generally sharply keeled, with granular costulation 



or striatiou on upper surface semidccussata. 



rosamonda. 



subcastor. 



travancorica. 



indica. 



albizonata. 



emiliana. 



Icevis. 



binoyaensis. 



verrncula. 



fluctuosa. 



prestoni. 

 . scobinoides. 



yardeneri. 



C. Globosely conoid or depressed, with rounded peri- 



phery subopaca. 



partita, 

 trimeni. 



D. Conoidly depressed and carinate acuducta. 



isabellina. 

 colletti. 



E. Trochiform. 



a. Sculpture granular cacuminifera. 



yranulifera. 



b. Sculpture finely decussated hyphasma. 



turritella. 



c. Smooth mucronifera. 



phidias. 

 concavospira. 

 apicata. 

 orbiates. 



F. Depressedly turbinate. 



Finely decussate mucosa.] 



