112 MOLLUSCA FROM THURSDAY ISLAND. 



Family OLIVID^. 



Oliva CiERULEA Bolten. 

 Ancilla cingulata Sby. 



Family CONJD^. 



CONUS CAPITANEUS L. 



„ LiviDUS Bnig. 



,, MARMOREUS L. 



,, MUSTELINUS HwttSS. 



,, OMARiA Hwass. 

 This shell is often mistaken for its ally C. textile L. 

 It may be separated by its darker colom*, more cylindrical 

 shape, and by the chestnut coloured patches being arranged 

 horizontally rather than radially. 



CONUS STRIATUS L . 

 „ TEXTILE L . 



„ VIRGO L. 



,, viTULiNus Hwass. 



Family TURRID^. 

 *Drillia (Surcula) javana L. s. Pleurotoma 

 nodifera Gm. 

 A novelty on our shores, but agreeing in all points 

 of structure with a specimen from Molucca, obtained from 

 Messrs. »Sowerby and Fulton, the well known conchologists. 

 It is beautifully figured by E. A. Crouch in his " Lamarck's 

 Conchology " published in 1826. 



Family TURBINELLID^. 

 Peristernia australiensis Rve. 

 This shell is found on our eastern coast from the Tweed 

 River to Thursday Island, and is easily recognizable by its 

 oval shape, its 8 ribs on the body whorl, marked by two 

 brown bands, broken into square spots. 



Family FUSID^. 

 Fasciolaria filamentosa Bolten. 



Family MITRID^. 

 MiTRA CORRUGATA Lamk. = jukesii a. Ad. 

 „ porphyretica Reeve. 



* Shells so marked are additions to Queensland lists. 



