DESCRIPTIONS OF SPECIES. 103 



are distinct pali, with an elongate elliptical cross section before all septa 

 except those of the last cycle, and are arranged rather definitel}' in two 

 crowns. The wall and septa become secondaiily thickened. Columella 

 composed of a few ascending more or less twisted laminae. Calicular fossa 

 rather deep. 



Locality. — Maiilnez, California. 



Horizon. — Martinez group. 



Types. — Collection of Dr. J. C. Men-iam, University of California. Speci- 

 mens iipon which the above description and figures in this paper are based 

 are in the United States National Museum. 



Trochocyathus conoides (Gabb and Horn). 

 PI. VIII, flgs. 8 to 10. 



1S()0. Trochosmilia conoides Gabb and Horn. Jour. Acad. Nat. Sci. Phila., 2d ser., 

 Vol. IV, p. 399, pi. Ixix, figs. 12 and 13. 



The original description is : "Resembles closely Tr. mortoni (i. e., Balano- 

 phyUia irrorata ^•ar. mortoni), above described, differing in its much more 

 robvist form and the finer strife exteriorly, which are granulous." 



Locality. — " Crctaccous, N. J." 



The type of this .species is, fortunately, in the Academy of Natural 

 Sciences of Philadelphia, and the authorities of that institution very kindly 

 loaned it to me. The type is a miserable fragmental specimen, and 

 from what Gabb writes of it one would suspect it to be related to Balano- 

 phyllia. Fortunately there are specimens of the same species mixed with 

 Morton's ^^Turbinolia" inauris in the Philadelphia Academy collections, and 

 there is also a specimen in the United States National Museum. All of the 

 specimens without doubt come from the same locality. A specimen of 

 Flabellum mortoni sp. nov. is in the vial with Gabb's type, both labeled 

 "Types"! This species is with it in all of the lots of specimens. It is 

 possible that Tr. conoides may be the same as Morton's discarded "■Tiirhi- 

 nolia" inauris. The following description is not based on the type, as it is 

 not well enough preserved to serve as a basis for a specific diagnosis, 

 though the specimen can, as already stated, be identified: 



Corallum short cornute, rapidly increasing in diameter, curved in 

 the plane of the shorter transverse axis of the calice; cross section 

 elliptical. 



