Part II - State of New Jersey

and says that 'each rib is reflected back into a little lip or notch nt..thcangle of the hasal varina.' " (\\711itfeld)The dimensions of a 1;lrge specimen are: height, 31. mlu. ; ~nasimurndiameter, 18 mm.- 12onge in Few Jersey-I?IIERCHANT\'ILLE : 15\VOODRlJRY : 22\ilENONAI$: 34, 35MT. LAllREL~NAYESINK: . 40.59TIXTOX :11an{~e otttside h7c1u Jersey-AlabanlaT,ype.-l'rairie\@luff, Bla.; ANSP 15498- .-~cala cyclostoma Gabb 1876Plate 50, Figure 1Srala (Opalio) ~cyclostoma, Gabb, 1676, Proe. Bead. Xat. Sci. Phil.(1876) p. 297.-Description.-"Shell smaller and sligl~tly more slender than thepreceding; whorls seven, cross sections circular; surface marked bynumerous prominent reeurved ribs, one of which on each whorl is thick-(:ncd, shou~ing a periodical arrest in grolr-th; between these ribs is veryminute revolving seulptnre, a little more distinct on the earlier whorls.Aperture circular, l~ordered by a very thick expanded lip; base of bodywhorl bordered by a strong rib. Length .55 inches, width .25 inch."(Gabb)Type.-New Jersey; ANSP 15496.Scala thomasi Gabb ? 1876Plate 50, Figure 2Scala (Opalia) Tkontasi, Gabb, 1876, Proc. Acad. Nat. Sci. Phil. (1876),p. 296.Scalaria Thon~asi 9, Whitfield, 1892, p. 137, pl. 18, fig. 1.Scda thomasi, ? \Teller, 1907, p. 674, pl. 76, fig. 4.Description.-"Sl~cll slender, turreted, xr-borls numerous, closelycoiled and very ventrieose, with rather close sutures, numbering sevenor more in a specin~en of less than seven-eighths of an inch in length ;apical angle less than 30°, probably not more than 25', the specimenbeing too imperfect to allow of positive mcasurcment; aperture apparentlyround and the base of the volution slightly carinate, and theaxis imperforate; surface marked by numerous slender, longitudinalribs or variees, which are erect, closely arranged, and directed obliquelybackward in passing from the uppcr to tbe lower side of the volutions;NEW JERSEY GEOLOGICAL SURVEY