EXPLANATION OF PLATE VI. 



Mytii.oconciia iNCKASSATA Coiirad (]). :W). 



Figs. 1,2. Views (if ii .spLcimcu t'loni SiiutU Carolina, introdiK^cd to nIhiw the f,'eiHr:il Corni. |Am. 

 Mils. Nat-. Hist.] 



M()i>i(ii..\ INFI.ATA Tuomey ami llolniis (|>. :t!t). 

 Fui. If. View iif the light .side of a well-preserved 8iie<^imeii. 



4. View of a distorted internal cast from the Brown days. 



Ai«:a (Stkiauca) ckntknaria Conrad (|). 12). 



Figs. 5,t>. Exterior and interior views of a speeimeu of s.nall size, allh(iii:;li tin- hiiyest jierftert one 

 seen from the State. 

 7. Knlarged view of the hinjie, sliowinj; the jieciiliar .strnctnie of the teeth- 



Akca (ScAriiAHCA) CALLU'LEOHA C'ourad (p. 43). 



Km ». A eop.v of Mr. Conrad's tignre, Miocene Fosa., I'l. xxix, fig 2. 



it. View of llie only fiagnuint .seen from New Jersey. 



AiiCA (.ScaI'Harca) lienosa Say {p. 44). 



Figs. 10, 10a. A i-oi>y of Say's original lignns no fragments from New .lersey being perfect euongh to 

 ti^nire. 



AncA (Scaphauca) stinuosTKATA Conrad (|>. 45). 



Fig. 11. Copy of (Nrarad's figure, Miocene Foss., PI. XXX, tig. 7. 



12, 13. Two of the fragments ol)tained from the well-boring at Atlantic City, N. J., where the 

 remains of the above two species were also obtained. 



156 



