JP LAT E IV. 



Fig. 1. EucALYPTOCRiNUS (Hypanthocrinus) egani, n. sp. — Cast of the 



calyx and the dome immediately covering the cavity of the calyx, 140 



la. Cast of the dome, the canal leading from it, with the expansion at the 

 top of the interbrachials, and the extension above, where it was 

 covered by plates, and also showing the form of the interbrachials. 



\h. Cast of the body, dome, and interbrachials. 



\e. Cast of the interbrachials showing the widened concave edge which 

 united with the dome and the three slits with which it was inter- 

 looked ; also the canal leading from the dome to the top-of the in- 

 terbrachials and the extension above. 

 Fig. 2. Myelodactyltjs bridgeportensis, n. sp.— A dextral specimen, 

 or the right side, showing the finger-like processes extending over 

 the inner whorls, 141 



2a. A sinistral specimen or the opposite side of what I have called a dex- 

 tral specimen, showing the radiate structure. 



2h. The dextral or right side having nearly all the finger-like processes 

 removed, so as to show the larger and smaller whorls and their 

 union at the central part of the disk. 



2c. Showing the radiate structure. 



2d. Showing the radiate structure. 



2c. Magnified view of a fractured specimen, showing the radiate structure. 

 The use of the words dextral and sinistral in the description 

 should probably have referred to the right and left sides, and yetl 

 have not determined whether or not the two sides are exactly 

 alike, that is whether the finger-like processes are or are not the 

 same on the two sides. 

 Fig. 3! PALiEASTER MIAMIENSIS, n. sp. — Ventral side, natural size. . 143 



Fig. 4. Bythopora nashvillensis, n. sp. — Natural size, .... 143 



4a. Magnified view. 



