62 
PEOBOSCrXA. 
TTXREPRESEXTED AXD DOUBTFUL SPECIES. 
1. angula (Pocta), 1892. 
Syx. Diastopora angulus, Pocta, 1892. Mech. Koryc. Hory : Ceska Akad. 
Fr. Jos. Praze, sect. ii. p. 15, pi. ii. figs. 31, 32. 
Char. — Zoarium a simple band, triangular in cross-section. Peristomes 
irregularly arranged, but with a tendency towards an oblique linear arrange- 
ment, -03 to -04 mm. in diameter. 
Distrib. — Cenomanian — Kor}’caner Schichten : Kank, Bohemia. 
Aff. — jS'early allied to P. radiolitorum (Orb.), but with more 
slender zooecia. 
2. complanata, Reuss, 1854. 
Syn. Froboscina complanata, Reuss, 1854. Kreidesch.-Ostalp. : Denk. Akad. 
Wiss. "Wien. vol. vii. pi. xxviii. fig. 8. 
Char. — A young unbranched zoarium, with from 1-5 zocecia in width ; orifices 
distant, irregularly quincuncial. 
Distrib. — Turonian: Nefgraben, Gosau. 
Aff. — This is possibly a young form of P. radiolitorum (Orb.), or 
of P. angustata (Orb.). 
3. divaricata (wow Rdmer), Pocta, 1892. 
Syn. Stomatopora divaricata, Pocta, 1892. Mech. Koryc. Hory; Ceska Ak. 
Fr. Jos. Praze, sect. ii. p. 11, pi. i. figs. 1, 4. 
Char, — Zoarium uniserial-multiserial ; branching irregular. Zooecia sub- 
elliptical, like those of Stomatopora calypso. Apertures irregular in distribution, 
distant. Zooecia *5 to *7 mm. long, ‘3 to *5 mm. broad; apertures ‘08 to 
•12 mm. in diameter. 
Distrib. — Cenomanian — Korycaner Schichten ; Kank, Bohemia. 
4. echinata (Miinst.), 1829. 
Syn. Cellepora echinata, Munster, in Goldfuss, 1829. Petref. Germ. p. 102, 
pi. xxxvi. fig. 14. 
,, ,, Hagenow, 1839. Keu. Jahrb. 1839, p. 279. 
Aulopora [Cellepora) echinata, Romer, 1840. Yerst. nordd. Kr. p. 18. 
Char. — Zoarium irregular, branched ; apertures well raised, irregular in arrange- 
ment ; zooecia long. 
Distrib. — Oligocene : Astrup. (Type.) 
Senonian : Riigen [jide von Hagenow and Romer) . 
Aff. — The Cretaceous specimens referred to this species may 
belong to P. fasciculata. 
