SIPHONARIA.— Plate I. 



culd, snbirn'fjuliii-i, depresse coiwexa, radialim cos- 



iatd, c(k/is rni/i/iii.i, alternaLim majoribus ; intuit U- 



oido-casliiiieii, mnnjitii; albo macnlatd. 

 The toothed Siphonakia. Shell ovate, rather thick, 



sonievvliat irregular, depressly oouvex, radiately 



ribbed, ribs rude, alternately larger; interior livid 



chestnut, white-spotted at the edge. 

 UuoY and Gaimard, Voy, de I'Astrolabe, vol. ii. p. 340. 



pi. 25. f. 19 ami 20. 

 llulj. Australia. 



Chiefly distinguished by the livid brown eolouring of 

 the interior and short white tessellated spots of the inner 

 margin. 



Species 5. (Fig. u, b, Mus. Cuming.) 



SiPHOXARiA L/EviuscuLA. Sipli. testa snborbicnhiri, clc- 

 vato-conw.vu. ecrfici' aittire mbincUnato, radialim li- 

 raid et snlculii. /iri\ liirihuH ; sordide cinered, intios 

 pitrjjnreo-riiji-tn-ii/c, uiiirijinc nix denticidafd. 



The smooth Siphonabia. Siiell suborbicular, elevately 

 convex, top a little inclined anteriorly, radiately 

 ridged and grooved, ridges smooth ; dirty-ash, in- 

 terior purple-i'ed, scarcely denticulated at the edge. 



De Blainville, MS., Mus. Cuming. 



Hab. Valparaiso. 



An orbicular raised shell, with the top a little inclini-d 

 towards the front. The (uiter surface is only superticially 

 ridged, while the interior is of a peculiar purple-red 

 colour. 



