1865. } MOLLUSCAN FAUNA OF SOUTH AUSTRALIA. 181 
160. ELENCHUS APICINUS. 
Monodonta apicina, Menke, Moll. Nov. Holl. p. 15. 
Station. Deep water. 
Hab. Aldinga Bay. 
An exquisite species, with the pearly interior of a cerulean-blue 
colour. 
161. ELENCHUS LEUCOSTIGMA, var. 
Trochus leucostigma, Menke, Phil. Abbild. t. 7. f. 7. 
Canthiridus variegatus, Gray. 
Station. Deep water. 
Hab. Encounter Bay (red variety). 
162. ELENCHUS VIRGULATUS. 
Trochus virgulatus, Phil. 
Station. Crawling amongst the Zostera beyond tide-marks. 
Hab. St. Vincent’s Gulf. 
163. ELENCHUS BELLULUS. 
Trochus bellulus, Dunker, Phil. Abbild. t. 7. f. 6. 
Station. Same as the preceding. 
Hab. St. Vincent’s Gulf. 
This species, so remarkable for its porcelain-like style of painting, 
is very common in St. Vincent’s Gulf. 
164. ELENCHUS IRISODONTES. 
Trochus irisodontes, Quoy et Gaim. Voy. de l’Astrol. iii. p. 246, 
pl. 63. f. 7-12. 
Monodonta virgata, Menke. 
Station. Along with EL. bellulus. 
Hab. St. Vincent’s Gulf; also Tasmania. 
Of this pretty green species, with the outer coat removed, the 
natives of Tasmania formerly made pearly necklaces with which to 
adorn their persons. 
165. LeE1lopyRGA PICTURATA. 
Leiopyrga picturata, H. & A. Adams, Ann. and Mag. Nat. Hist., 
Jan. 1863, p. 19. 
Station. 3 to 4 fathoms, on sand. 
Hab. St. Vincent’s Gulf. 
This species is also found in Middle Harbour, Port Jackson, New 
South Wales. Letopyrga cingulata, A. Adams, occurs at Port Es- 
sington. 
166. BANKIVIA PURPURASCENS. 
Bankivia purpurascens, Beck ; Deshayes, Manuel de Conch. 
B. varians, Gray, MS. Brit. Mus. 
Station. 3 or 4 fathoms, on sand. 
Hab. St. Vincent’s and Spencer’s Gulfs. 
This species is very abundant on all the shores of extra-tropical 
