1862.] M.0.A,L, MORCH’S REVIEW OF THE VERMETID2. 67 
Var. 3. AMPLA. 
T. laxe contorta, tenuiuscula; anfr. viv contigui, teretes, ampli, 
primum depressiusculi, angulo acuto aperturam versus evane- 
scente ; anfr. ultimus solutus, erectus, breviusculus ; lire longi- 
tudinales parve, approximate, rugis incrementi subcequalibus 
decussate, inde interstitiis subtiliter punctato-scrobiculatis ; 
anfr. ultimus superne liris duabus tribusve interruptus, nodulis 
compressis elongatis. Color albus, presertim intus, superne 
Jlavescens in anfr. primis pallidissime lilaeinus. 
Diam. apert. 27 m.; long. tubi aperturalis 30 m.; diam. anfr. 
penult. cire. 15 m. 
? Vermetus sipho, Lam., Chenu, Ill. t. 7. f. 3, minor. 
? Serpulorbis sipho, Chenu, Man. p. 320, f. 2306 (copy). 
Hab. In ins. Melitens. (Coll, nostra). Specimen in lapide molli 
flavo affixum. 
2. THYLACODES MELITENSIS, Gm. 1791. 
T. teretiuscula, contorta, umbilicata, decussatim striata, costis 
longitudinalibus nodulosis, intus levi polythalamia (Gm.). 
Die vielkammerige gewundene Seeschlange, Schroter, Finl. ii. 
p- 576, t. 6. f. 19, 1789 ; Schréter, Neue Litteratur, 1785, ii. p. 216. 
Hab. Fossilis in Melita inventa, gyris 2 primis recta sibi impositis 
(Gm.). Formatio tertiaria. 
Var. 8. REPENS, 
1716. Evuvia serpentis in lapides conversa, Besler, 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 lirz are of a vesiculous nature. 
Var. y. ITALICA. 
Vipera petrificata, Worm, Mus. 1655, p. 90. 
Wurmférmige Meerrhire, Knorr, Petrif. 2.Th. 2. Bd. p.288. t. 1.7; 
(Tubus aperturalis), Knorr, ib. p. 298, t. 1a. 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. Dict. t. xlviii. p.571 (Piémont, Bordeaux); 
Vermetus arenarius, Hornes, Geol. Reichsanst. p- 200, t. 20. 
f. 5,6; Griffith, A. Kingd. 
Hab, Fossilis in form. tert. Italize borealis. 
3. THYLACODES DENTIFERUS, Lam. 
T. teres, contorta, costellis longitudinalibus duabus tribusve den- 
tiferis. 
“Cette espéce devient assez grand,” —Lam. 
Var. ¢, testis majoribus subsolitariis (Mus, no.), Lam. 
