214 
AIJG. F. FOERSTE 
32. Amphilichas cucullus Meek and Worthen 
This species was described from the Kimmswick limestone in 
Alexander County, Illinois, presumably from the exposure south 
of Thebes studied by Professor Savage. The same species is 
common in the second quarter of the so-called Kimmswick lime- 
stone of Ralls and Pike Counties, measuring upward from the 
base. It is one of the most characteristic fossils of this horizon. 
It is overlaid by the Hormotoma major or McCune zone. 
33. Bumastus holei sp. nov. 
Plate XXI j figs. 15 A, B; plate XXII, figs. 15 A, B 
The cast of the lower side of the cranidium is characterized 
by shallow impressed lunettes, relatively very distant from each 
other, but rather close to the posterior margin. The length of 
the cranidium is 25 mm.; its width is 30 mm.; the distance be- 
tween the impressed lunettes is 18 mm. ; the length of the lunettes 
is 5 mm., and their posterior margin is 5 mm. from the posterior 
margin of the c anidium. The general convexity of the cranid- 
ium from side to side is small. 
The associated pygidium is 28 mm. wide, 19 mm. long, and 
has a convexity corresponding to that of the cranidium. The 
articulating axial part is 11 or 12 mm. in width, and from this 
axial part the lateral articulating margins bend back at an 
angle of at out 155 degrees. 
Found at locality 3 in the Kimmswick limestone section on 
Sanders branch. Probably identical with the species figured by 
Clarke (Pal. Minnesota, III, pt. 2, 1897, p. 722, fig. 36) as 
Bumastus orhicaudatus from the Prosser of Minnesota. The 
posterior part of the cranidium is not preserved well enough to 
determine whether or not a median pustule was present here 
originally named in honor of Prof. A. D. Hole, of Earlham 
College, Richmond, Indiana. 
