e 
192 F. B. Meek—Fossils of the Illinois Geological Report. 
siocrinus, with the anal and interradial spaces filled by numerous 
pieces. The differences between both of these types and the 
allied group Onychocrinus will also be apparent by comparing 
them with O. exculptus L. & C., plate xrv, fig. 4. 
Batocrinus pyriformis Shumard; pl vy, figs. 5a, 6, «—The 
original typical specimen of this species consisted of the body 
only, without the arms or ventral tube. Our figures, however, 
also illustrate, for the first time, the arms, a portion of the 
column and most of the ventral tube or proboscis. At the time 
our figures were drawn, and the explanations of the plate were 
prepared, the very fine specimen represented by figure 5a was 
fastened on a board, with the ventral tube made out by adjust- 
ing together several pieces, so as toinclude, with an intermediate 
piece, the terminal portion represented by fig. 5c. Misunder- 
standing Mr. Wachsmuth, to whom the specimen belonged, 
when he stated that the pieces of the tube, as adjusted together, 
were all known to belong to the same species, I left him with 
the impression that they were known all to belong to this indi- 
vidual specimen 
On receiving Mr. Wachsmuth’s letter containing this informa- 
tion, I struck out of the figure, on one of the proofs of the plate, 
the portion of the tube connecting figures 5a and 5c,* so as to 
leave the latter detached; but as I did not afterward see the 
explanations of the plate, the necessary correction there was 
unintentionally overlooked, and Mr. Wachsmuth thus wrongly 
made responsible for the assertion that the detached portions 0 
the tube figured were known all to belong to the same individ- 
ual specimen. 
I mention the above facts, because, if the terminal part of the 
tube replaced from another specimen belonged to a smaller im 
dividual, it would necessarily make the extremity relatively too 
much attenuated, and the opening proportionally too small 
Actinocrinites delicatus M. and W ; plate v1il, fig. 2,—Since 
describing this little crinoid under the above name, Mr. Wachs- 
* Tt may be ai or figures are mentioned in 
tiene unless atherwite sated, they aly pureed to the Illinois Report under 
consider. 
