109 



Chiefly in sponge at shallow depths ; Great Australian 

 Bight to Port Lincoln, Spencer and St. Yincent Gulfs, 

 Guichen Bay. Throughout Australia and the Indo-Pacific 

 region. 



Oblique, with about 30 scaly ribs ; attaining to two inches in 

 the longer diameter. 



161. Lima axgulata, Sowerby, Thes. Conch., p. 86, t. 22 r 

 £. 39 ; id. Eeeve, Mon., t. 3, f. 13. 



Living at two to six fathoms in St. Yincent Gulf and at Port 

 Lincoln. Also New South Wales, New Zealand, New Caledonia, 

 Philippines, and Panama. 



Obliquely subtrigonal, ventricose, very finely radiately 

 ribbed ; attaining to nearly one inch in the longer diameter. 



162. Lima bullata, Born ; id. Reeve, Mon., t. 1, f. 2 ; 

 L. Strangei, Eeeve, Mon., t. 3, f. 15; L. Japonica, A. Adams, 

 P. Z. S., 1863, p. 509 ; Eeeve, Mon., t. 5, f. 21. 



Wauraltee Island and, Wallaroo in Spencer Gulf, St. Yincent 

 Gulf, Guichen Bay. Also Tasmania, New South Wales, and 

 Queensland, extending to New Zealand, the Philippines, and 

 Japan. 



This species belongs to the section Limatula, having equi- 

 lateral, ovate valves ; rayed with numerous strong, rather 

 sharp ribs. Attaining to about one and a-quarter inch in the 

 longer diameter. 



163. Limea ArsTRLNA, Tate, antea, p. 73, t. 4, f. 7. 



Dead shells dredged in 32 fathoms in Backstairs Passage, 

 and in 22 fathoms in Encounter Bay ; also in Pliocene strata, 

 Limestone Creek, E. Glenelg, Yictoria. 



A small subovate, equilateral shell, ornamented with twenty 

 radiating nodulose ribs. 



Family SpoKDYLiiDiE. 



161. Spoxdylus texellus, Eeeve, Mon., t. 18, f. 67. 



Not uncommon from Eucla to Port Lincoln, St. Yincent and 

 Spencer Gulfs ; Guichen Bay ; also in Tasmania and in the 

 Pacific. 



Ovate, radiately ridged, bearing foliaceous or spinous ex- 

 pansions, the interspaces with crowded radial riblets, covered 

 with imbricating scales. Length, two inches. 



Family Axomiid,l. 



165. Placua:n'omia Ioxe, Gray, Proc. Zool. Soc, 1849, 

 p. 123 ; id., Eeeve, Mon., t. 2, f . 6 ; Tate, T. E. Soc. S. Aust, 1885, 

 t. 5, f. 7, p. 101. 



Not uncommon in St. Yincent Gulf, affixed to PinmT ; cast 



