252 RECORDS OF THE AUSTKALIAX MTSECM. 



Drilli'i ItoriJidaria Angas, Proc. Zool. See. 1865, p. 159. LI. Tate, Trans. 

 Phil. See. Adelaide, ii., 1(S79, p. 137. Id. Soweiby, Proc. Malac. Soc, 

 ii., 1896, p. 24. /(/. Pritchard and Gatliff, Proc. Roy. Soc. Vict., xii., 

 1900, p. 170. /,/. Verco, Trans. Roy. Soc. S.A., xxxiii., 1909, p. 296. 



Since the type was obtained by the " Astrolabe,'' it probably came 

 from King George Sound. The Adelaidean example differs from the type 

 by smaller size and tawny colour. 



A relation of this species is Drill ia cprnvJa Angas, really a native of 

 Stewart Island, New Zealand, but erroneously ascribed by its author to 

 N.S.Wales.43 



lldh. Victoria: — Portland (Pritchard). South Australia: — St. Vincent 

 Gulf to St. Francis Island (Verco). Western Australia: — King George 

 Sound (Tate). New Holland: — Tigre Bay (British Museum). 



Melato.ma lygdina sp. IIOV. 



(Plate xlv., tig. U.) 



Shell thin, lanceolate, subtnrreted, spire produced, base constricted. 

 Colour uniform yellowish-gray. Whorls exceeding ten. Sculpture: — The 

 fasciole is only indicated by the even truncation of the ribs ; surface smooth, 

 so that a few microscopic growth scratches are only just perceptible ; the 

 ribs are prominent, short, oblique, wave-shaped, spaced about twelve to a 

 whorl; just behind the aperture the ribbing becomes ii'regular, the place 

 of a final rib being taken by three small riblets which coalesce above. 

 Aperture pyriform ; sinus U-shaped, rather deep. Length 27 mm., 

 breadth 85 mm. 



This species is represented by a single specimen with an imperfect 

 apex. 



lldh. Victoria: — 150 to 200 fathoms, off Gabo Island ("Endeavour"). 



MeLATOMA SI'AniCLXA sp. Itiiv. 



(Plate xlv., fig. 45). 



Shell large, solid, elongate-conic, regularly iaperiug. Colour cinnamon- 

 brown. Whorls ten. Sutui'e linear. Sculpture: — Below the sutui-e runs 

 an elevated spiral cord ; in the intervals between tlie ribs and on the base 

 are fine spiral threads ; the fasciole area is excavate, ornamented with fine 

 spiral threads crossed by concentric strife ; the ribs are fourteen to a whorl, 

 oblique, round-backed, commencing below the fasciole and vanishing on 

 the base. Aperture pyriform ; insertion of lip ascending above the plane 

 of tlie sutuie, and suppoi'ted by a prominent callus knob ; inner lip a smear 

 of callus; sinus rather wide and shallow; canal short and open. LengtJi 

 25 mm., breadth 8 mm. 



« HedU-y— Pioc. Linn. Sue. N.S.W.. xxxviii., 1913, p. 311. 



