THE FAUNA OF SOUTH WESTERN AUSTRALIA. 
87 
Stelletta aurora, n. sp. — Champion Bay near Geraldton. 
„ „ var. arenosa, n. var. — Champion Bay near 
Geraldton. 
Ecionemia obtusum, Lend. — Sharks Bay (Surf Point), Champion 
Bay near Geraldton. 
Family GEODIIDAE. 
I sops membranacea, n. sp. — -Sharks Bay (Middle Bluff). 
Geodia punctata, n. sp. — Sharks Bay (inner end of the South 
Passage and Surf Point). 
Family E PI PO LAS I DAE. 
Asteropus simplex, Cart. — Sharks Bay (Surf Point and off Sunday 
Island) . 
Family DON ATI I DAE. 
Donatia ingalli, Bow. — Sharks Bay (six different stations), Cock- 
burn Sound (Port Royal), Koombana Bay (off 
Bunbury). 
,, „ var. maxima, n. var. — Sharks Bay (two different 
stations). 
,, japonica, Soli. var. nucleata, n. var. — -Sharks Bay (two 
different stations), Cockburn Sound, Warnbro 
Sound, Albany (Oyster Harbour). 
,, ,, var. globosa, n. var. — Cockburn Sound (?). 
,, „ var. albanensis, n. var. — Albany (Oyster Har- 
bour). 
,, fissurata, Lend., var. ex/ensa, n. var. — Sharks Bay (Middle 
Bluff). 
Tuber ella aaptos, O.S. — Sharks Bay (Surf Point). 
Family CHONDROSIIDAE. 
Chondrilla australiensis. Cart. — Sharks Bay (five different stations) 
„ sp . — Champion Bay near Geraldotn. 
Chondrosia reniformis, Nardo. — Sharks Bay (Surf Point). 
,, „ var. rugosa, n. var. — Turtle Island. 
Family SP1RASTRELLIDAE. 
Hymedesmia stellata, Bow. var. cenlrifera, n. var. — Sharks Bay 
(Lagoon Point). 
,, lophasiraea, n. sp. — Sharks Bay (Surf Point). 
Spirastrella cunctatrix, O.S. -Koombana Bay (oil Bunbury). 
,, tentorioides, Dendy, var. australis, n. var. — Sharks 
Bay (Middle Bluff). 
„ digilata, n. sp. — Sharks Bay (Middle Bluff). 
Cliona celata, Grant. — Sharks Bay (Middle Bluff and X.N.E. of 
Heirisson Prong). 
,, margaritiferae, Dendy. Sharks Bay (oft Denham). 
