474 Transactions. 
linguiform, reaching anterior scar and occupying more than half of body- 
avi гају ith two cardinals, the 
Length, 26 mm.; height, 21 mm.; width (one valve), 6 mm. Length, 
24mm.; height, 20mm.; widt (one valve), 5 mm. 
Types (two vales), from Rissington, Hawke's Bay (Pliocene), in author's 
collection — collected by Dr. Benson. Also paratypes from Glengaree, 
Napier. 
This shell is unlike. any previously described from New Zealand, and, 
on account of its dental peculiarities (very large posterior cardinal an 
lateral of right valve, and absence of anterior lateral), Mr. Marwick 
has created for it and a related species the new genus, Barytellina, with 
the Nukumaruian B. crassidens Marw. as type (Proc. Mal. Soc., vol. 16, 
p. 25, 1924.) 
Ligament fairly long, strong, Interior filled with matrix. 
eight, 25 mm. ; length, 39 mm. ; width (two valves), 6 mm. 
Type and four paratypes, from Otiake (Hutchinsonian), in the author's 
collection. Collected by Mr. R. 8. Allan, whose name is attached to the 
cies 
The shell has some resemblance in shape to Tellina gaymardi Iredale, 
but this has anterior end shorter and a smooth appearance. The nearest 
relative seems to be Macoma edgari Iredale, and it is on account of 
Ив relationship with this species, especially in hinge, that it is placed in 
