Maryland Geological Survey 377 



and digitate terminal branches, and small digitate and simple lateral 

 branchlets ; third lateral sinus much smaller than either of the others, with 

 two unequal, short, sinuous and dentate terminal divisions, and a few 

 irregular, short, smaller lateral spurs; dorsal or antisiphonal lobe (ven- 

 tral lobe of d'Orbigny and others) scarcely as large as one of the terminal 

 branches of the siphonal lobe, longer than wide, with three or four small 

 lateral branches, and normally a trifid free extremity.'' — Meek, 1876. 



Type Locality. — Navesink Hills, New Jersey. 



Fragments of this species are rare in the Cretaceous outcropping along 

 the Chesapeake and Delaware Canal in Delaware, and, although it has 

 been reported from Mayland, such occurrences have not been verified. 



Occurrence. — Matawan Formation. Post 218, near Summit Bridge, 

 Chesapeake and Delaware Canal, Delaware. 



Collection. — Maryland Geological Survey. 



Outside Distribution. — Mataivan Formation. Merchantville clay marl, 

 Woodbury clay. New Jersey. Monmouth Formation. Navesink marl, 

 New Jersey; Alabama (Morton). Pierre and up into the Fox Hills in 

 Dakota, Montana, Colorado and Nebraska. 



Baculites asper Morton 

 Plate XII, Figs. 8, 9 



Baculites asper Morton, 1834, Syn. Org. Rem. Cret. Group, U. S., p. 43, pi. 

 i, figs. 12, 13; pi. xiii, fig. 2. 



Baculites asper Gabb, 1862, Proc. Acad. Nat. Sci., Phila., for 1861, p. 396, pi. 

 iii, fig. 4. 



Baculites asper Meek, 1864, Check List Inv. Fossils, N. A., Cret and Jur., 

 p. 23. 



Baculites asper ? Meek, 1876, Rept. Inv. Cret. and Ter. Fossils, Up. Mis- 

 souri, p. 404, pi. xxxix, figs. lOa-lOd. 



Baculites asper Whitfield, 1892, Mon. U. S. Geol. Survey, vol. xviii, p. 278, 

 pi. xlvi, figs. 10, 11. 



Baculites asper Johnson, 1905, Proc. Acad. Nat. Sci., Phila., p. 26. 



Baculites asper ? Weller, 1907, Geol. Survey of New Jersey, Pal., vol. iv, p. 

 823, pi. cix, figs. 6, 7. 



Description. — " Transversely suboval, with prominent circumscribed 

 lateral nodes and numerous septa." — Morton, 1834. 

 Type Locality. — Cahawba, Alabama. 



