408 University of California Publications in Geology [Vol. 9 



List of Species From Localities in the Siphonalia Sutterensis Zone — 



(Continued) 



1853 1856 692 2225 2365 



Clavella tabulata Dickerson x 



Cordiera gracillima Cooper x x .... x 



Cylichna costata Gabb x — - x 



Drillia ullreyana Cooper x x 



Drillia cooperi, n. sp x 



Drillia orovillensis, n. sp x 



Exilia perkinsiana (Cooper) x x 



Exilia dickersoni (Weaver) x 



Fusinus lineatus Dickerson x 



Fusinus merriami, n. sp x 



Ficopsis remondii Gabb x 



Galeodea tuberculata (Gabb) x 



Lunatia nuciformis Gabb x x .... x 



Monodonta wattsi, n. sp X x 



Murex (Ocinebra) nashi, n. sp x 



Natica, sp x 



Nyctilochus diegoensis (Gabb) .... .... x 



Nyctilochus thunani, n. sp x 



Nyctilochus californicus Gabb x x 



Nyctilochus whitneyi Gabb x x 



Niso polita Gabb x 



Neverita globosa Gabb x .... .... x 



Neverita secta Gabb x .... .... x 



Olivula marysvillensis Dickerson x 



Olivella mathewsonii Gabb x .... x 



Perissolax blakei (Conrad) x 



Surcula crenatospira Cooper x 



Surcula holwayi Dickerson x 



Surcula clarki Dickerson x x 



Surcula davisiana (Cooper) x 



Surcula (Surculites) sinuata Gabb x 



Siphonalia sutterensis Dickerson x x 



Terebra wattsiana Cooper x 



Turritella, sp x 



Turritella merriami Dickerson x .... x x x 



Turris andersoni Dickerson x 



Turris inconstans Cooper x — - .... x 



Turris monolifera Cooper x x .... x 



Turris suturalis (Cooper) x x 



Voluta lawsoni Dickerson x x .... 



Cancer, sp x 



Synechodus, sp x 



List of Localities 



1853. Marysville Quadrangle. Tejon Group. About two and one-half 

 miles west, ten degrees north of South Butte in small canon east of 

 county road. Coll., R. E. Dickerson. 



1856. Marysville Quadrangle. Tejon Group. Two miles east of South 

 Butte. Coll., R. E. Dickerson. 



