19G MR. G. r. ANi'iAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, 



Film. MARGINELLIDiE. 



57. Marginella (Glabella) muscaria. 



Marginella muscaria. Lam. Anim. sans Vert. x. p. 441 ; Reeve, 

 Condi. Icon. pi. 8. f. 29 a, h. 



This species inhabits deep water in Port Jackson. It may be 

 distinguished by its coating of flesh-coloured enamel, as well as by 

 being the largest species of the genus occurring in that locality. It 

 is found likewise in Tasmania. Length 7 J lines. 



.58. Marginella attenuata. 

 Marginella attenuata, Reeve. 



A transparent, horny, attenuated species, dredged iu Port Jackson. 

 Length 4| lines. 



59. Marginella translucida. 



Marginella translucida, Sow. in Coll. Cuming. 



A solid, white, shining species, with an elevated spire. Dredged 

 at Port Stephen. Length 4 lines. 



60. Marginella turbinata. 



Marginella turbinata, Sow. Thes. Conch. Marginella, p. 38'), 

 pi. 7.5. f. 70, 71. 



Stouter than the preceding, with the spire shorter, and having in 

 some specimens a crcuulatcd plication round the upper part of the 

 whorls. Dredged in Middle Harbour. Length 4 lines. 



61. Marginella simplex. 



Marginella simplex. Reeve, Conch. Icon. pi. 22. f. 115. 



Tinged with flesh-colour on the back ; spire very short. Dredged 

 in Port Jackson. Length 3| lines. 



62. Marginella (Cryptospira) ovulum. 

 Marginella ovulum. Sow. Thes. Conch, p. 401, pi. 78. f. 188. 

 White or flesh-colour. The last whorl is produced over the spire. 



Dredged in Port Jackson and Port Stephen. Length 42 lines. 



Fam. Cassidid^. 



63. Cassis achatina. 



Cassis achatina. Lam. Anim. sans Vert. x. p. 33 ; Reeve, Conch. 

 Icon. Cassis, pi. 10. f. 28 «, b. 



This very beautifully variegated shell, though rare, is to be met 

 with in several parts of Port Jackson, and also at Woollongong and 

 Port Stephen. The Rev. Mr. Hannah collected some specimens at 

 Algoa Bay, Cape of Good Hope — a remarkable circumstance, as the 

 species is very local in Australia, being confined, as far as we are 



