MOUNT LAUREL-NAVESINK. in 



Rostellites nasutus Gabb. 

 Cithara MuUicaensis Whitf. 

 Cithara sp. 

 Hamift^a mortoni (Forbes). 



Ce;phai.opoda. 



Belemnitella americana Mort. 



Vertebrata. 



Crocodile scutes. 



Henry Conover's marl pit is situated a little over 1.5 miles a 

 little west of north from) Holmdel. The Navesink fauna at this 

 point occurs in two zones in the marl, the association of species 

 being somewhat different in each. The following section has 

 been recognized at this locality (Locality 128). 



128^. At the edge of the brook north of the marl pit 

 the dark Wenonah sand is exposed, its depth being un- 

 known. 



128^. Dark greensand marl, no fossils,' .. .|. ....... ... 4 feet. 



128^. Gray, brown or dark greensand marl, with 

 many fossils, ' i. . .,. . ... 2 fe,et. 



128*. Greensand marl, barren or but sparsely fossilif- 

 erous, . ,. , ,. . .'. ..,...., 3 feet. 



128^. Greensand marl with many fossil Gryphaea 

 shells and other fossils, . ... . .,. ..,'..., ,. . .,. . .,. i foot. 



128^- Greensand marl without fossils to top of bank, 15 feet. 



Locality 128^. — The lowermost fossiliferous zone in Henry 

 Conover's marl pit is marked by the common occurrence of Tere- 

 hratella varmxenH, a species which has not been recognized else- 

 where, in the recent operations of the Survey. T. plicata occurs 

 also, but it is a rare species in this bed, becoming much more 

 abundant in the higher fauna in the same section. The complete 

 fauna recognized here is as follows : 



ECHINODERMATA. 



Echinoid spines. 



