PLATE CXVI— Continued. 



CORNULITES DISTANS. Hall. 



Page 18. , 



Fig. 23. An enlarged individual, showing the slightly llexuous form of the tube, and the distant, regular 



annulations. 



Clinton group. Rochester, Monroe county. 



CORNULITES, Sp. ? 

 rage 19. 

 Fig. 24. A portion of an individual enlarged, doubtfully referred to this species, showing the strong annu- 

 lations and the smooth interspaces. 

 Fig. 25. Lateral view of the same specimen, showing that the tube is narrower in one diameter than in the 

 other. 



Clinton group. Near Lockport, Niagara county. 



CORNULITES CHRYSALIS, 11. sp. 

 Page 20. 

 Fig. 26. An individual enlarged, in which the annulations are very regular and present the appearance of 

 a series of closely set, inverted and ensheathed cones. 

 Lower Helderberg group. Locality doubtful. 

 Fig. 27. A much enlarged example, showing more distinctly the features exhibited in preceding figure. 



Lower Helderberg group. Locality doubtful. 

 Fig. 2S. A very small tube, enlarged to ten diameters, attached for its entire length to a branch of Trema- 

 topora regularis. The form is slightly fiexuous and the annulations nearly obsolete. 

 Lower Helderberg group. Near Cldrksmlle, Albany county. 



CORNULITES CINGULATUS, 11. Sp. 

 Page 20. 

 Fig. 29. A small fiexuous tube, enlarged, showing the unequally distant annulations which are sharply 

 angled toward the aperture but evenly rounded toward the apex. 

 Lower Helderberg group. Locality doubtful. 



CORNULITES TRIBULIS, 11. S|>. 

 •Page 20. 

 Fig. 30. Two individuals of this species, growing in an aduascent condition, enlarged to three diameters, 

 showing the low irregular annulations and the fine longitudinal striae. 

 Hamilton group. Sopewell, Ontario county. 



CORNULITES INCURVUS. 

 Page 18. 

 See Plate 115, fig. 31. 

 Fig. 31. A fragment of rock, showing several tubes of this species, natural size. 



