MOLLUSCA. 



PART II. 



By Charles Hedley. 



Conchologist, Australian Museum. 



SCAPHOPODA AND GASTROPODA. 



(Plates xxxvi., xxxvii., xxxviii.) 



SGAPHOPODA. 



DENT A LIU M, Linne. 



DENTALIUM THETIDIS, sp. nov. 



(Fig. 61.) 



Stations 13, 49. 



Shell white, rather thin, tapering and very 

 little curved. Sculpture : seven elevated ribs 

 run the whole length of the shell, those on the 

 concave side are stronger and wider apart 

 than the others ; each interspace is grooved 

 by a dozen fine even stride, faintly crossed by 

 growth lines ; towards the aperture one or two 

 interstitial riblets arise. Anal oritice simple. 

 Length, 8 mm.; diameter of aperture, 1 mm. 



This species apparently belongs to the group 

 of D. octangulatum, among which the fine dense 

 longitudinal strife distinguish it. 



The example described and two fragments 

 occurred in 63-75 fathoms off Port Kembla. 

 A second 

 Points. 



Fig. 61. 

 specimen occurred in 41-50 fathoms off Cape Three 



