VERMETUS. 173 



anterior extremity free. Operculum plain, thin. Animal dark 



P"''Ple. Southern Europe. 



It is Serpula glomerata, of Linn., 12th Edit., but not of 10th 

 Edit., and V. intortus, Weink. " I have examined five or six 

 ojroups without finding any internal laminae, as Sowerb}^ and 

 Moore appear to have done. In a comparatively few specimens 

 I have found a distinct medial lira on the columella." — Moroh. 

 This author describes vars, occlusa, suturalis and scolo- 



PENDRINA. 



V. VERMICELLA, Lam. PI. 49, fig. 33. 



Yellowish, filiform, narrow, transversely rugose, flexuous, 

 without longitudinal sculpture, conglomerated into a dense mass. 



W. Africa. 



It is V. glonteralu)^, Daudin, V. Liitpe (xVdanson), Deshaj^es. 

 Morch describes a var. pilaris. 



Y. anellum, Morch. PI. 49, fig. 34. 



Shell sinistral, spirorbiforra, white, spire affixed, umbilicus 

 open, whorls few, with transverse close ribs. Diameter of shell 

 about 2 to 3-5 mill. 



Todoft Sanlos Bai/, L. California (on Haliotis). 



Very like a Spirorhis in shape, and " perhaps will prove to be 

 the type of a new genus." — Morcii. 



Section Macrophragma, Carpenter, 1857. 

 V. MACROPHRAGMA, Carp. PI. 48, fig. 10. 



Shell small, chestnut-colored, laterally attached, often eroding, 

 spirally twisted, first whorls flattened, contiguous, tlie last 

 loosely contorted, with close longitudinal lira? and incremental 

 striae ; interior armature (see figure). 



San Diego ^ Cal., L. Cal.^ Mazatlan, Realejo. 



" V. contortus, Carp., is perhaps the adult stage of this species, 



which again possibly may be a form of Aletes centiquadrus.''^ — 



M(iRCH, 



V. cocHLiDiUM, Carpenter. PI. 48, fig. 17. 



Distinguished from the preceding species by its internal 

 laminffi ; the shell is of a lighter color and larger growth. 



Australia; var. from Tahiti. 



