164 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



10200. Dictyocordaites lacoi Dawson. Type. 



Catskill (Dev. ). Meshoppen, Pennsylvania. 

 Dawson, Can. Rec. Sci., IV., 1890, pp. 2, 3, text fig. 1. 



5406. Dictyotites fasciolatus Penhallow. Types. 

 25098. Upper Chemung or Catskill, Erian (Dev.). Lanesboro, 



Susquehanna County, and Factory ville, Wyoming 

 County, Pennsylvania. 



Penhallow, Proc. U. S. Nat. Mus., XVI, 1893, p. no, pi. 11, 

 fig. 10a; pi. 12, fig. 10b. 



5407. Dictyotites maximus Penhallow. Type. 



Marcellus shales, Erian (Dev.). Union Springs, Cayuga 

 Lake, New York. 



Penhallow, Proc. U. S. Nat. Mus., XVI, 1893, p. in, pi. n, fig. n. 



3215. Dioonites buchianus (Ettingshausen) Bornemann. 



3773. Illustrated specimens. 



3775. Potomac (Dow. Cret.). James River, entrance to Trent's 



3776. Reach; banks of Dutch Gap Canal; fishing hut above 

 canal; Kankeys, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889. pp. 182-184, pi- 68, 

 fig. 1; pi. 69, figs. 1, 3; pi. 70, figs. 2, 3; pi. 71, fig. 1; pi. 72, 

 figs. 1, 2; pi. 73, figs. 1-3; pi. 74, figs. 1-3. 



3216. Dioonites buchianus angustifolius Fontaine. Types. 

 3799. Potomac (Low. Cret.) Dutch Gap Canal; fishing hut above 



canal; Kankey's; crossing of the Occoquan, near 

 telegraph station, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, p. 185, pi. 67, fig. 6; 

 pi. 68, fig. 4; pi. 71, fig. 2. 



3739. Dioonites buchianus angustifolius Fontaine. 



Illustrated specimen. 

 Trinity (Low. Cret.). Glenrose, Texas. 



Fontaine, Proc. U. S. Nat. Mus., XVI, 1893, p. 265, pi. 36, fig. 6. 



31S0. Dioonites buchianus obtusifolius Fontaine. Type. 



Potomac (Dow. Cret.). Left bank Dutch Gap Canal, 

 Virginia. 

 Fontaine, Mon. XV, U. S. Geol. Surv., 1889, pp. 184, 185, pi. 168, 

 fig- 3- 

 3736. Dioonites buchianus rarinervis Fontaine. Type. 



Trinity (Low. Cret.). Glenrose, Texas. 



Fontaine, Proc. U. S. Nat. Mus., XVI, 1893, p. 264, pi. 36, figs. 3, 4. 



3738. Dioonites dunkerianus (Goeppert) Miquel. 



Illustrated specimen. 

 Trinity (Low. Cret.). Glenrose, Texas. 



Fontaine, Proc. U. S. Nat. Mus., XVI, 1893, p. 265, pi. 36, fig. 12; 

 pi. 37, fig. 1. 



8218. Dioonites linearis Emmons. Type. 



Triassic. Chatham Count}-, North Carolina. 



Emmons, Amer. Geology, VI, 1857, p. 121, pi. 4, fig. n. 

 = Ctenophyllurn braunianum angustum. 



