ON RECENT POLYZOA. 669 
Fossil Tertiary Polyzoa—continued. 
Coralline 
Crag 
Lower Red 
Crag 
Middle Red 
Crag 
Pre-glacial 
Arctic 
Paleolithic 
Neolithic 
Hippothoa 
| dentata, S. V. W. 
divaricata, Lame. : 
Patagonica, Bush 
Lepralia, Johnst. 
divisa, Norm. ‘ * 
edax, Busk wo eter lh “ese 
infundibulata, Bush . * 
megastoma, S. V. W.. 
Pallasiana, Moll. 
papillata, Busk . 
Reussiana, Busk . P 
simplex, Johnst. . : * 
spinifera, Johnst. . * 
pertusa, Hsp. 
' Umbonula, Hincks 
i verrucosa, Hsp. . 5 * 
| Porella, Gray 
~ concinna, Busk . c * 
7K OK OK 
* 
7 2K OK OK 
struma, Worm. . : * 
Escharoides, Smitt 
Sarsii, Smitt : 3 * 
Smittia, Hincks 
Landsborovii, Johnst. . * 
| crystallina, Norm. * 
| Phylactella, Hincks. . | Alysidota 
") catena, S. V. W. 
} labrosa, Busk . 5 * 
 Mucronella, Hincks 
Bowerbankiana, Bus 
coccinea, Johnst. . 
lobata, Bush 
variolosa, Johnst. 
- ventricosa, Hass. 
: Peachii, Johnst. 
| Palmicellaria, Alder 
Skenei, Z. and S. 
os, Pallas 
cornuta, Busk * 
incisa, M.-Ed. . .| * 
monilifera, W-Hd. .| *« | * | * | * 
* 
* 
* 
L. mamillata 
2K OK OK OK OK OK 
L. bicornis 
* 
porosa, W.-Hd. e 
pertusa, W-Hd. . - 
patens, Smite . ; * 
Sedgwicki, M-Hd. .| * | * | * 
sinuosa, Busk  . A lice esl aes 
socialis, Busk . rial lee 3 
cd 
i=) 
=] 
77) 
ct 
Dae | 
& 
8 
° 
| Flustra 
dubia, Busk . silt oF 
avicularia, Mont. : x 
- Hemeschara (?) Eschara per- 
| imbellis, Busk . . | * * ; onal (A. Bo. 
