Part II - State of New Jersey

Range in New Jersey-WOODBURY: 18Type.-Lorillard, N. J. ; NJSM 9510.Triton praecedens Whitfield 1892Plate 54, Fiyres 5, 6Tviton (Epidromzis) praecedens Whitfield, 1892, p. 58, pl. 5, figs. 6-7.l'n'ton praecedens Weller, 1907, p. 726, pl. 84, figs. 7-8.Descriptton.-"S11ell small and moderately slender, spire elevated.longer than, or about equal to, the length of the body volution and anteriorbeak, as viewed from the back of the shell; apical angle of thespire between 30' and 35' ; volutions quite ventricose, with stronglymarked sutures; principal variees oecuring at about every two-thirdsof a volution, but with secondary varices between, visible on the east5hut not definitely enough to give a positive idea of their exact number,yet apparently three on the body volntion; each of the principal varicesmarked by about seven well defined depressions on the back, indicatingthat number of spiral ridges on the shell and protuberances on the innermargin of the lip; aperture of medium size, semi-lunate, the outerlip only moderately expanded; columella slender, and anterior beakof moderate length ; number of volutions not definitely ascertained, asthe specimens arc imperfect." (Whitfield)Range in New Jersey-MT. LAUREL-NAVESINK: 46,49,537'ype.-Mnllica Dill, N. J.Trachytriton ? atlanticum Whitfield 1892Plate 57, Figures 12,13; Plate 64, Figure 4Trachytriton atlanticum Whitfield, 1892, p. 59, pl. 5, figs. 8-11.Trachytriton ? atlanticum Weller, 1907, p. 727, pl. 84, figs. 11-14.Description.-"Shell small, the casts seldom reaching a length ofmore than an inch and a quarter; spire with an apical angle of about40" to 45" ; volutions four and a half to five in number, rather convexand moderately distinct, the sutures in the cast being distinct and thespaces left by the removal of the shell quite considerable; last volutionlarge, forming more than half the entire length, and being as lonz bclowthe point of greatest diameter as the length of the spire above, givingan equally biconical or fnsiform feature to the east, with a moderatelylong and somewhat curved beak and canal; aperture large, pointedabove auil slightly extended below; narrow-elliptical in outline, withthe outer margin rather more convex than the inner one; lip of theouter volution apparently slightly deflected; the surface of the volutionshave been marked by revolving lines, at least in the lower part.as is shown by their remains on the surfaces between the volutions ofNEW JERSEY GEOLOGICAL SURVEY