﻿462 SOI.l'XAIA 



SOI.KXAIA Kl'GATA (SowCfln). 



Shell clon^akd, j^radually widened behind, dorsal and ven- 

 tral lines curved a little so that the shell is a trifle arcuate; 

 inequilateral ; beaks hii^h and full ; there is an anterior and 

 posterior ridge, the latter curved up in the middle, angular 

 and ending behind in a bliuit point at the base of the shell ; 

 posterior end truncated obliijuely ; surface irregularly, concen- 

 trically sculptured ; qiidermis olive-brown. 



Length <)2, height 31 mm. *■ 



Said to come from \'ictoria River. Australia. I am a little 

 in doubt about the locality. 

 Mycctopus meatus So\vEKl•.^■, Conch. Icon., X\'T. 1868, pi. 111, 



fig. 7. — Smith, Jl. de Conch., XXII, 187.1, pi. iv, fig. i. — 



Clksstn, Conch. Cab. Ano., 1876, p. 205. pi. i.xvii. fig. 4. 

 Platiris (Mycctopiis) nii^atus Lea, Syn., 1870, p. 90. 

 Solenaia ru^ata Simpson, Syn., tqoo, p. 657. 



Sowerbv gives no measurements or any account of the in- 

 terior of this shell. The beaks are higher than in any s])ecies 

 I know of. and there are two decided ridges radiating from 

 them, that in front being rounded, that, behind angular. 



Ciroup of Solenaia triani::;ularis. 

 vShell short, rounded on post-base ; very narrow in front. 



Sor.ENATA TRTANr.UI.ARTS (Heudc). 



Shell comparativelv short, thin, subtriangular, compressed. 

 being much wider behind than in front : dorsal and basal lines 

 nearlv straight ; posterior end ol)li(|ucly truncated above, 

 rounded below : beaks low but a])j)arcntly sharp, ])laced near 

 the anterior end and lightly corrugated ; anterior muscle scars 

 round; posterior scars pyriform ; nacre pale blue. 



T^ength 44. height 20. diam T2 mm. 



China. 

 Mycetopus triangularis Hei'de, Conch. Fluv. Xank.. TX. 1885,. 



pi. LXXII. fig. T38. 

 Solenaia triangularis Simtson, Syn.. 1900. p. 657. 



