Part II - State of New Jersey

Margarites abyssina (Gabb) 1860Plate 47, Figures 4, 5, 7Solariunt abyssinzis, Gabb, 1860, Proe. Bead. Xat. Sei. Phil. (1860),p. 94, pL 2, fig. 9.Margarita abyssina. T\'hitfield, 1892,p. 133, pl. 17, figs. 1-5.Mavgarita ab!lssina, \\Teller, 1907, p. 669, pl. 75, figs. 20-22.Jfurgarites abyssi.itu., Gardner, 1916, p. 505.Blnryarites abyssinn., Groat, Organist and Richards, 1954, p. 49.Description.-"Shell small, not exceecling half an inch in its greatestdiameter; spire moderately elevated, the apical angle being ahont70' or i5' ; rolutions four to four and a half, very ventricose, giving acircular section when hroken across; snture (leep and \\.ell marked,xvhile the whorls in the internal cast are closely appressed and slightlyimbedded into each other, showing the shell to be thin; also seen wherethe east rests partially in the matrix, the space left by the removal ofthe shell \\,here no compression has ocer~rred being harely perceptible;umbilicus broad and open, showing several of the \rolutions within ; surfacemarked by very fine, even, spiral lines over the entire shell, with anapparent stronger line on the periphery, and crossed by finer lines ofgrowth which are bent baelt\'ard in crossing the volution, cancellatingthe surface." (IVhitfield)The dimensions of a rather large individual are: height, 9 mm.;masimum diameter, 10 mm.Rentarks.-\\Teller notes that individuals of this species from theNaresink formation normally are of a larger average size than thosefrom the Merchantrille formation. Gnrdner mentioned that althoughthis species is intermediate in size and in numher of whorls and relativeattitude of the spire between BI. elevata Gardner and fii. depressaGardner, it is more similar to the former than to the lattcr.Range in New Jersey-MERCIIANTVILLE: 14, 15WOODRTJRY: 20MT. I,ATJ~EI,-XAVES~NK : 39, 40,43, 46, 47, 49, 53TINTOX: 63Range outside New Jersey-Delaware, MarylandType.-Burlington County, N. J. AFSP 18780NEW JERSEY GEOLOGICAL SURVEY