1862.] M. O. A. L, MORCh's review of the VERMETIDiE. 67 



Var. /3. AMPLA. 



T. laxe contorta, tenuiuscula; anfr. vix contigui, teretes, ampli, 

 primum depressiusculi, angulo acuto aperturam versus evane- 

 scente ; anfr. ultimus solutus, erectus, hreviusculus ; lirce longi- 

 tudinales parvce, approximatce, rugis incrementi subceqiiulihus 

 decussatce, inde interstitiis suhtiliter punctato-scrohicidatis ; 

 anfr. ultimus superne liris duahus tribusve interruptus, nodulis 

 compressis elongatis. Color albus, prcesertim infus, superne 

 favescens in anfr. primis pallidissime lilacinus, 



Diam. apert. 27 m. ; long, tubi aperturalis 30 m. ; diam. anfr. 

 penult, circ. 15 m. 



? Vermetus sipho. Lam., Chenu, 111. t. 7. f. 3, minor. 



"i Serpulorbis sipho, Chenu, Man. p. 320. f. 2306 (copy). 



Hab. In ins. Melitens. (Coll. nostra). Specimen in lapide moUi 

 flavo affixura. 



2. ThYLACODES MELITENSIS, Gm. 1791. 



T. teretiuscula, contorta, umhilicata, decussatim striata, costis 

 longitudinalibus nodulosis, intus laevi polythalamia (Gm.). 



Die vielkammerige gewundene SeescJdange, Schroter, Einl. ii. 

 p. 576, t. 6. f. 19, 1789 ; Schroter, Neue Litteratur, 178.''>, ii. p. 216. 



Hab. Fossilis in Melita in-venta, gyris 2 primis recta sibi iiiipositis 

 (Gm.). Formatio tertiaria. 



Var. /3. REPENs. 



1716. Exuvia serpentis in lapides conversa, Easier, Rariora, t, 36. 

 f. 102. 



1817. Serpula grandis, Link, Verz. Rostock, p. 23 (Lang, Lapid. 

 t. 50. f. 3). 



This species is chiefly distinguished from the preceding by its 

 great thickness ; the granules of the lirse are of a vesiculous nature. 



Var. y. ITALICA. 



Vipera petrifcata, "Worm, Mus. 1655, p. 90. 



WurmformigeMeer7'hdi'e,'Kx\orx,VttYi{. 2.Th. 2.Bd. p. 288. t, l.y; 

 (Tubus aperturalis), Knorr, ib. p. 298, t. 1 «. f. 13. 



Serpula polythalamia, Brocchi, Subapp. 268. 



Serpula dentifera, var. c. Lam. v. p. 367. no. 24. 



Serpula arenaria, Bronn, Hal. Tertiarg. 1831, p. 65. 



Serpula decussata, Defr. Diet. t. xlviii. p. 571 (Piemont, Bordeaux) > 



Vermetus arenarius. Homes, Geol. Reichsanst. p. 200, t. 20. 

 f. 5, 6 ; Griffith, A. Kingd. 



JEab. Fossilis in form. tert. Italise borealis. 



3. Thylacodes dentiferus, Lara. 



T. teres, contorta, costellis longitudinalibus duahus tribusve den' 



tiferis. 

 " Cette espece devient assez grand." — Lam. 



Var. ^, testis majoribus subsolitariis (Mus. no.), Lam. 



