The Austral Rhynchoneltacea. 175' 



tuhulifei-a, (?) Rhynchonella, Tate. 



Tate, 1899, p. 257, pi. VIII., figs. 4, 4a. 



Tate says, " R. tubulifera, if juvenile, is indicative of 

 a much less gibbous shell" (than R. squamosa) "in the 

 adult stage." This, although a minute form, is apparently 

 mature, as it shows the contour of a fully developed rhyn- 

 chonellid. 



Oligocene. — (?) Lower beds, Muddy Creek. Victoria. 

 Miocene. — Polyzoal Rock, Muddy Creek, Victoria. 



A note on the European Rhynchonellid erroneously referred to the 

 Australian Cainozoic Fauna as Rhynchonella baileyana. (See 

 Plate I., figs. 14, 15). 



References.— Tate, 1885, pi I. Id., 1886, p. 94, pi. VI., figs. Za-c. 

 Id., 1899, p. 257. 

 This species was recorded by Tate in 1885, as occurring at Jemn:iy's 

 Point, Gippsland Lakes, and collected by Mr. J. F. Bailey. 



At the time of description, Tate seemed to suspect that it was 

 anomalous as a Tertiary species, for he remarks that it recalls some 

 Mesozoic ones, and adds, " I do not know of any other fossil which has 

 so depressed and broadly oval form, conjoined with marginal plications 

 and small suberect beak as it possesses." 



In 1899, Tate added a note for this species (p. 257), and said, 

 " My surmise of its Mesozoic origin is confirmed by Mr. R. Etheridge, 

 jnr., who attributes it to the Cretaceous of Faxoe." We have ex- 

 amined an extensive series of Cretaceous Rhynchonellae in the National 

 Museum, and these, together with a comparison of Davidson's figures 

 in his Cretaceous Memoir, proves that the above form belongs, not to a 

 Danian rhynchonellid, but to a well-known form of the Senonian 

 Chalk, found in England, and on the Continent. That species is 

 Cyclothyris limhata, Schlotheim sp., of which the following is the 

 principal synonymy. 



Terehratulites Um'batus, Schlotheim, 1813, p. 113 (Faujas, 



1799, pi. XXIV., fig. 4). 

 Terebratula suJ)plicata, Mantell, 1822, p. 211, pi. XXVI., 



fig. 5. 

 Rhynchonella limhata, Schlotheim sp., Davidson, 1854, p. 79, 

 pi. XII., fig. 1-5. 

 We are much indebted to Professor Sir Douglas Mawson for hia 

 kindness in allowing us to see the specimen in the collection of the 

 Adelaide Museum, and we have taken this opportunity of giving a 

 photograph of it, as well as of a typical specimen from the Senonian 

 of Ciply, Belgium (Nat. Mus. Coll.). 



III.— Description of Tegulorhynchia, sp nov. 

 Genotype " Rhynchonella squamosa," Hutton. 



(a). — Definition. 



Ventrally uniplicate, generally wider than high; shell moderately^ 

 stout; typically with a strong undulate and tegulate ornament, cor- 



