160 M. o. A. L. morch's review of the vermetid^. [April 9, 



be taken for a cast of the coral, if several other specimens of Ver- 

 meti on the same kind of Pontes did not show a different sculpture. 

 This species is the deepest burrowing of all the Vermeti, the surface 

 being exactly in the same plane as the surface of the dead coral in 

 which it burrows. The young shell closely resembles Spiroglyphus 

 spiruliformis, M. de Serres, but the whorls are broader and flatter. 

 The operculum is covered with microscopical bodies similar to those 

 shown in fig. 16 of the plate. 



Var. /3. UNGUicuLATA. 



T. corallicola erodeiu semi-immersa, spira planorhiformis badia, 

 anfr. utrinque obtuse rectangulati, superne plant, liris obsoletis 

 subremotis, versus aperturam scepe linea castanea {interdum un- 

 dulata) marginatis ; laminae incrementi tenuissimcB appressce 

 margine irregulari, in locis occultis, prcesertim in antico latere 

 varicum, crassiores, conferte undulatce ; apertura circidaris li- 

 bera, faucibus albis, columella badia, colore in latere sinistra 

 perspicuo ; pone aperturam varicibus duabus erectis, validis, 

 acutis, antice excavatis. 

 Diam. apert. 5\-& m. 



I have no hesitation in referring this shell to S. textum, and the 

 presence of the characteristic undulated laminae of growth in a few 

 concealed places, and the two small ferruginous spots in var. a cor- 

 responding to the brown lines in the present variety, seem to be 

 sufficient reasons for this opinion. In the two varices, the form of 

 the whorls, and the manner of burrowing, it approaches Siphonium 

 maximum, Sow. The brown lines sometimes bordering the longitu- 

 dinal li7-cB point to some affinity with S. pictum. 



15. Siphonium (Stoa) scaphitella, Morch. 



T. scaphitifo7-mis affixa vix corrodens ; S])ira planorbiformis late 

 umbilicata ; anfr. afflxi unde jilanissimi ; superne convexi versus 

 aperturam ampliati, longitudinaliter lirulati ; lirce plerumque 

 alteriiatim minores, lira mediana et lirce lateris interni tres 

 validiores squamifer<x; squamce conipresscB,acutce,remotce ; latus 

 externum oblique varicoso-rugosum ; lamince incrementi brevis- 

 simce, tenuissimce, regulares, j^rcesertim in regione umbilicali 

 prominentes, aperturam versus obsoletce ; apertura circularis, 

 obliqua, libera. Color albus ; stratum internum lateris affixi 

 denudatum, badium. 



Diam. 5^ m. 



Operculum Jlaveseens pellucidum, superne concavum centro im- 

 presso ; in/erne convexum ,• impressio muscularis spiraliter con- 

 ferte tenuissime lirulata ; centro aurantio, disculo obtuso coc- 

 cineo ; limbus latus nitidus. 



Diam. 5 m. 



The lid is much thinner and somewhat flatter than that of the pre- 

 ceding, the centre is also more blunt and flattish. 



Hab, Ins. Philippin. ; a single detached specimen in Mr. Cuming's 

 collection. 



