ulrich-bassler] revision of paleozoic bryozoa 293 



12. Another series of the same, X 18, showing further variations in 



form of the vesicles. 

 Upper Coal Measures, Springfield, Illinois. 



Ftychoclodia agcllns new genus and species p. 290 



13. The most complete of the specimens upon which this remarkable 



genus and species is founded. See also figure 10. 

 Upper Coal Measures, Springfield, Illinois. 



Plate LXVIII « 



(Figures i to 6 and 9 are after Ulrich in Pal. INIinn., in. Pt. i.) 



Vinella re pens Ulrich p. 274 



Fig. I. Two colonies attached to the inner side of a ventral valve of 

 Strophomcna sepfata W. & S. ; natural size. 



2. Portion of one of the colonies, X 18. 



3. Another portion of the same zoarium, X 18, showing a nucleus 



with five divisions of the tubular stolons radiating from it. 

 Black River shales, St. Paul, Minn. 



Vinella radialis Ulrich p. 274 



4. Natural size view of the type specimen. 



Corryville beds, Lorraine formation, Cincinnati, Ohio. 



Vinella radiciformis conferta Ulrich p. 275 



5. Several nuclei and the connecting stolons, X 18. 



6. Part of a colony, X 4.1/2, showing the close development of the 



nuclei. 



Waldron shales. Waldron, Indiana. 



Vinella radiciformis (Vine) p. 275 



7. Portion of the creeping network of the typical form of this spe- 



cies, X 9, showing several nuclei. 



Rochester shales, Lockport, New York. 



]"inella? multiradiata new species p. 276 



8. Part of a colony attached to a crinoid column, exhibiting many 



nuclei and the intertwining of the numerous radiating stolons, 

 X9. 

 Rochester shales, Lockport, New York. 



Ascodictyon stellatum Nicholson and Etheridge, Jr p. 287 



9, 10. Two clusters, X 18 and X 9. Only one of the vesicles in the first 

 figure has the surface punctse represented. 



Hamilton formation. Eighteen ]\Iile creek, New York. 



Ascodictyon siluriense Vine p. 286 



11. Two isolated clusters of vesicles, X 9, attached to a fragment of 



LcptcEua rhomhoidalis. 



Rochester shales, Lockport, New York. 



12. A number of clusters of vesicles with connecting stolons, X 9, 



growing on a small Orthoceras. 

 Waldron shales, Waldron, Indiana. 



Ascodictyon Horeale new species p. 288 



13. Portion of a colony with numerous clusters of vesicles, X 9, grow- 



ing upon a Stropheodoiita. 



Hamilton formation, 2 miles west of Alpena, Michigan. 



