“Cribrimorph ”’ Cretaceous Polyzoa. 89 
17. T. cerberus, sp. n. 
Type-specimen. British Museum, D. 28205; Danian ; 
Faxe, Denmark. 
18. T. | Reptescharellina| prolifera (Gabb & Horn), 1862, 
Journ. Ac. Nat. Sci. Philadelphia, series ii. vol. v. 
part il. p. 146, pl. xx. fig. 28 ; Danian; New Jersey. 
Il. HaptocerHaLopora, gen. nov. 
Species. H. uniceps, sp. n. 
Type-specimen. British Museum, D. 28214; Danian ; 
Faxe. 
IIT. PHrRacropora, gen. nov. 
Genotype. P. constrata. 
Tabular Diagnoses of the Species. 
A, A y-shaped mass of secondary tissue grows 
proximally to the median process of the 
apertural bar and forms a secondary front 
wall; incrusting forms. 
IeaN-SRAped. Mass PTOMR oh. 6 ow a « aeid mere Fala 4 1. P. operta. 
2. V-shaped mass naIrow ....6-...ces see eee 2, P. constrata. 
B. Secondary tissue above the V-shaped mass 
grows proximally to form a secondary front 
wall. 
1, Secondary front wall incomplete. 
PUB CRUSIIE OS hon int oh \e sisistore inxs ls oe wees 3. P. obducta. 
EPOCH MUMIATONNAT) Vcc cideirie esis, ceale gs rae 4. P. obtecta. 
2. Secondary front wall complete ; erect cylin- 
ICDS Ye ebetotes ps 5 RS Se PACED OTE 5. P. gastropora. 
1. P. operta, sp. n. 
Type-specimen. British Museum, D. 17997 ; mucronatus- 
zone ; Riigen. 
2. P. constrata, sp. nu. 
Type-specimen. British Museum, D. 15332; mucronatus- 
zone; Riigen. 
3. P. obducta, sp. n. 
Type-specimen. British Museum, D. 15395 ; mucronatus- 
zone; Riigen. 
4. P. obtecta, sp. n. 
Type-specimen. British Museum, D. 15019,  mucronatus- 
zone; Riigen. 
