POLYPLAOOFHOB l'l 



valve and posterior purl of tin- posterior valv. 'liate 



valve- having the lateral aivu> swollen, smooth, delienti-ly rugate 

 intrrnally ; central area- lainellosc. Marginal HLMIH. nt 

 roseate. Len-th 14, width \) mill. AV,/> ('/, ,/,,,/;,/. KMP-. I 

 Musi'iim. ( not-ht-hr. in Bull. Soe. Thiloni. 1888-'8 1, p. 



7. Australian species. 



HANI.KYA VAKIAT.IMS Adams and Angas. 



Shell oblong, whitish, variegated with blackish-brown. Valves 

 broad, earinated; dorsal areas longitudinally densely costate, the 

 rib> closely pustulose; lateral areas hut .slightly elevated, trans- 

 versely unclulately costate, tbecostse closely pustulose. Girdle, hav- 

 ing short white corneous spicules at the margin, and hunches of pale 

 spicules. 



Length 10, breadth 10 mill. (Ad. & Aug.*). 



Yorke's Peninsula, S. Australia (Coll. Angas), under stones at low 

 water. 



AD. & ANG., P. Z. S. 1864, p. 194. ANGAS, P. Z. S. 1865, 

 p. 188. 



Carpenter surmises that this may be a second species of Angasia, 

 but this can hardly be the case, although the girdle characters sug- 

 gest a superficial similarity. It may be a Chceiopleura or even an 

 Acantliochilc*. 



LEPIDOPLEURUS LIRATUS Adams and Angas. 



Shell small, elongated, convex ; yellowish-brown, maculated with 

 pale brown. End valves and lateral areas concentrically rem 

 sulcated, densely and minutely lirate, the lira closely pustulose. 

 Posterior valve elevated, lateral areas slightly elevated ; median 

 valves obtusely carinated in the middle; dorsal areas longitudinally 

 lirate, the lira closely pustulose. Girdle pale-brown, densely covered 

 with minute scales. 



Length 8, width 4 mill. (Ad. & Any.) 



Yorkes Peninsula, S. Australia, under stones at low water 

 (Angas). 



Lepidopleuru* lirntiiA II. AD. & Axe., P. Z. S. 1864, p. 192. 

 ANGAS/. c. 1865, p. 187. 



The generic position of the species is unknown, but it may he an 

 Ischnochiton of the contrnctit* group. 



