Tertiary Fossils, 239' 



Two casts of Teredo tuljes found here corre8ix)nd with tlie ahiiost 

 straight small tubes of the above species wliich came from the- 

 Miocene of Canterbury, N.. Zealand. 



Cudmore Collection. 



Class GASTEROPODA. 



Fam. TROCHIDAE. 



Genus Astele, Lwainson. 



Astele sp. 



Several casta and moulds of a form referable to the alx)ve genus^ 

 occur in the white limestone. It has rather smooth, flat whorls, and 

 a thread-like ornament round the base. It resembles an unde- 

 scribed species from the Miocene of Victoria. 



Cudmore Collection. 



Fam. NATICIDAE. 



Genus Natica, Scopoli. 



Natica suhstolida, Tate, var. grandis, nov. 



Description. — Shell of the type of Xafica suhstolida, Tate/ but 

 of much larger dimensions and heavier build, the Length being 

 more than twice that of the specific form (54 mm., as compared 

 with 25 mm. in the species). 



A large specimen of Natica, somewliat deformed, but evidently 

 belonging to the new variety, has l>een figured by Mr. C. J. Gabriel 

 and the writer from the Mallee Bores, under the name of 3'. siibin- 

 fiMidibulnm, var. crassn, Tate.^ 



This large variety is fairly conmion in tlio limestone of the 

 Ooldea district, and its large size (over 2 inches in length), makes 

 it a conspicuous fossil. 



Cudmore Collection. 



Natica cf. hamiltonensis, Tate. 



Natica hamiltonensis, Tate, 1893, Trans. R. Soc. S. Austr., vol. 

 XVIII. pt. 2, p. 319, pi. X. Fig. (). 



A cast referred with slight doul)t to this common Tertiary fossil 

 was found here. 



Cudmore Collection. 



4. Natica (Ncverita) siibstolida, Trans. R. Soc. S. Austr.. Vol. XVIT., 

 p II. 1893, p. 323, pi. VI. Fif?. 3. 



5. Proc. Roy. Soc. Vict, Vol. XXVI. (N.S.) pt. IT.. 1914, p. 321. pi. XXV. 

 Figs, 15a, b, 



