1863.] ON NEW AUSTRALIAN MARINE SHELLS. A^ll 



rotundata, pallide luteo-fusco seu cameo tincta etfasdis duahus 

 castaneis interruptis ornata, areis cardinis anticis et posticis 

 maculis satiguineis tinctis ; superficie vaharum concentrice pli- 

 cata, jdicis parvis confertis ; niargine ventrali regulariter ar- 

 cuato. 

 Alt. 8 lines, lat. 1 1 lines. 



Hab. Banks's Straits, Tasmania ; Commodore Loring, H. M. S. 

 'Iris' {Coll. Angas.). 



This charming species is of a compressed ovate form, and of a pale 

 fulvous colour, delicately marked with chestnut and crimson. 



10. Crassatella banksix. Ad. & Aug. (PL XXXVII. fig. 16.) 



C. testa trigonali-ovata, compressa, siihtEquilaterali, latere antico 

 rotundato, postico subangulato, carnea, ad umbones albida, fasciis 

 duabusfulvis radiantibus ornata; sxiperficie valvarum concentrice 

 plicata, plicis ad latus posticum angulatis ; margine ventrali 

 arcuato. 



Alt. 5 lines, lat. 8 lines. 



Hab. Banks's Straits, Tasmania {Coll. Angus.). 



This species is of a pale flesh-colour, fading into white towards 

 the beaks, and with two yellowish-brown bauds radiating from the 

 beaks to the ventral margin. 



11. Nucula consobrina. Ad. & Ang. 



N. testa cuneato-ovata, obliqua, solida ; latere antico breviore, area 

 cardinali postica in medio elata; latere postico longiore, rotundato; 

 margine postico declivo ; superficie valvarum liris concentricis 

 subcrenulatis obsoletis interdum validis et crenatis ornata, epider- 

 mide pallide fusco-olivacea induta; margine ventrali concinne cre- 

 nulato. 



Alt. 3 lines, lat. 4 lines. 



Hab. New South "Wales (Coll. Angas.). 



This species is most nearly allied to N. pisum, Sow., from Chili, 

 but is less oblique. The style of sculpture varies, the concentric 

 ridges being sometimes very conspicuously crenate. 



12. Nucula loringi. Ad. & Ang. 



N. testa transversa, ovafa, ineequilaterali,subcompressa ; latere antico 

 breviore, producto in medio, area cardinali antica excavata ; latere 

 postico longiore, rotundato, superne vix producto, area cardinali 

 postica elata ; pallide olivaceo-viridi, ad umbonibus margaritacea; 

 margine ventrali arcuato, intus simplici. 

 Alt. 5 lines, lat. 7i lines, 



Hab. Keppel Bay ; Commodore Loring, H. M. S. ' Iris ' {Coll. 

 Angas.). 



This species somewhat resembles N. cumingii, but the sides of the 

 valves are more produced. We have dedicated it to Commodore 

 Loring, whose exertions in the cause of science have added many 

 new species to the MoUuscan fauna of Australia. 



