1861 .] M. o. A. L. morch's review of the vermetid^e. 353 



glomerata. Sow. Gen., belongs perhaps to this species, accordmg to 

 the colour ; but the hrse are too strong. 



Subgenus 2. Petaloconchus, Lea. 



Laminis ab axi procedentibiis. 



The typical species and the following are unknown to me; but 

 I suppose, from their external similarity to V. cortortus, that the 

 position of the laminse is similar, as it would seem to be from the 

 section represented by Lea. 



11. Vermetus (Petaloconchus) sculpturatus, Lea. 



T. vel contorta vel turrita, crassa, costulis longitudinalibus no- 

 dnJiferis, laminis i7ifenns politis, Icevibus, ad aperhiram ob- 

 soletis ; apertuj-a rotunda. 



Diam. "20 inch. 



P. scul2ituratus, Lea, Philad. Trans. 1843, ix.p. 230, t. 3. f. 54; 

 Woodward, Man. p. 4G2. 



Hab. Miocene of Petersburg, U.S. {Lea). 



12. Vermetus (Petaloconchus) domingensis. Sow. 



T. contorta, crassa, tvbido plerumque spirali, anfractibus ad 

 marginem inferiorem angidatis, angulo costulisque longitudi- 

 nalibus graniferis, costulis nonnullis etiam infra unguium an- 

 fractuum graniferis. 

 P. domingensis. Sow., Quart. Geol. Journ. 1850, vi. p. 51, t. 10. 

 f. 9. 



1 St sinker n iihnlich Nerinea, Merian, Bericht Naturforsch. Basel, 

 1844, vi. p. 64. 



Hab. Tertiary beds of St. Domingo {T. S. Henniker) ; 1 Jamaica 

 or Antigua {Merian). 



Seems to be near P. sculpturatus (Lea), only his species does 

 not appear from his figure to have any granular longitudinal ridges 

 below the angle of the convolutions {Sow.). 



13. Vermetus (Petaloconchus) intortus, Lam. 



" T. tereti-angidata, subcontorta, in spiram deformem contorta, 

 subglomerata, plicis transversis crebris." — Lam. 



Serpitla intorta. Lam., 1818, v. p. 365. no. 16. 



Vermetus 1 intortus, Desh. v. p. 623. no. 16. 



Serpula intorta, Chenu, 111. pi. 1. f. 6 et forte 6 a. 



Petaloconchus intortus, Sow., Moore, Lond. Quart. Geol. Journ. 

 ISr.O, vi. p. 39 : Bronn, Jahrb. 1852, p. 509. 



Hab. Fossile des environs de Plaisance, et se trouve en France, 

 pres de Dax {Lam.). 



Var. a. subapenninica. 



T. subsolitaria, irregulariter spiraliter torta ; anfr. contigui sub- 

 quadrangular es, latere externo rectangulato, liris tribus cequi- 

 distantibus obsoletis, rugis transversis decussatis, inde obso- 

 letissime foveolati ; columella laminis duabus validis usque in 

 Proc. Zool. Soc— 1861, No. XXIII. 



