4 BRITISH FOSSIL CORALS 
3. Caryopuynuia Tennanti, Duncan. PI. I, figs. 4—6. 
The corallum has a large base, a curved cylindrical stem, and an inclined elliptical 
calice. It is short in relation to its broad base. 
The calice is open and shallow. 
The columella is small, and terminates in twelve knob-shaped endings to the 
fasciculi. 
The septa are unequal, and there are five incomplete cycles. 
The laminz are marked with curved lines of granules, are wavy and unequal. 
The pali are higher than the columellary processes, are wavy, flattened, and curved. 
The costz are sub-equal in the upper third, but are not seen below. 
Height, ltrd inch. Length of calice, ths inch. 
Locality. Sussex; Upper Chalk. In the Collection of Professor 'Tennant, F.G.S. 
This species connects the Cretaceous Caryophylie@ with those of the Tertiary and 
Recent systems. 
Famity—TURBINOLID &. 
Division—TurBINOLIACES. 
Genus nov.—ONcHOTROCHUS. 
The corallum is simple, tall, slender, rather hook-shaped or clavate, and presents 
evidences of irregular growth. 
There is no endotheca. 
The costa are rudimentary, and there is no columella. 
The septa are few in number. 
The epitheca is pellicular and striated. 
The genus is somewhat allied to Smlotrochus, Stylotrochus, and very distantly to 
Flabellum. 
_. OncHorRrocuus sERPENTINUS, Duncan. Pl. VI, figs. 1—4. 
The corallum is tubulate, curved superiorly, and straight and tapering inferiorly. A 
sudden diminution in the diameter of the upper part of the corallum exists. 
The coste are quite rudimentary. 
The epitheca is marked with fine transverse striations. 
