BY C. HEDLEY, 193 



underside projects a spoon-shaped limb. Length 18; breadth 

 7 mm. 



Hah. — Sixteen miles east of Wollongong in 100 fathoms; 

 several specimens dredged by Mr. G. H. Halligan and self. 



Type. — To be presented to the Australian Museum. 



The Eggs of Lotorium spengleri. 



(Plate viii, fig. 19.) 



Numerous specimens of Lotorium spengleri., Chemnitz, were 

 discovered (16 : x. :'03) in the act of ovipositing in rocky pools at 

 low-tide mark in Sydney Harbour. The eggs were concealed 

 under the bodies of the parents. From the nest figured I forcibly 

 removed the mollusc. In shape the mass resembled a peach split 

 down the centre, the cavity answering to that occupied by the 

 peach stone. Each mass, pale yellow in colour, firmly adhered by 

 its base to the rock, and was usually torn in removal. The 

 example drawn weighed 2 J ozs., and measured 60 mm. in diameter 

 and 35 mm. in depth. The eggs are packed in a tough, semi- 

 transparent cup-shaped membrane, externally with close imbri- 

 cating scales; the margin is shortly folded over the eggs in the 

 interior. The capsules are conical, about 10 mm. long, their base 

 attached to the inner wall of the envelope, their apex projecting 

 into the central hemispherical cavity. They are densely packed, 

 tier above tier, and are probably laid in spirals; the top tier held 

 about thirty-five capsules. 



Chione despecta, n.sp. 



(Plate X., figs. 35-38.) 



Shell small, solid, triangularly ovate, equilateral. Colour grey. 

 Sculpture : radials none ; concentric, about twenty fine, thin, 

 elevated, upturned, spaced lamellae, which traverse the whole 

 shell. In their interstices are fine microscopic concentric threads. 

 Lunule faintly impressed, short and narrow. Dorsal area not 

 differentiated. Umbo prominent. Inner ventral margin crenu- 

 lated. Pallial sinus short and shallow. Hinge : left valve with 

 13 



