10 Pol. 
POLYZOA. 
p. 26. P. umbraculiformc, P. microstomum , P. protectum, P. lenticulare , 
n. spp., Koschinsky, pp. 26-28, pis. i, figs. 5, 6, & 7, & iv, fig. 1. 
Rhagasostoma , n. g., always a strong frame round the cell, within 
which stretches the depressed operculum : the aperture, rather large and 
delicately bordered, lies within the frame, and has the form of a P. 
Under the anterior margin of the aperture a ridge-like tooth projects 
into it more or less ; for R. circumvallatum , R. liexcigonum , R. cingens, 
n. spp., Bavarian Tertiary ; id. t. c. pp. 29-31, pi. v, figs, 4-9. 
MlCROPORIDiE. 
Steganoporella discrepans, S. similis, n. spp., Bavarian Tertiary, 
Koschinsky, pp. 32 & 34, pis. iv, fig. 2, & i, figs. 8-10. 
RETEPORID2E. 
Retcpora elongata, Smitt, redescribed with figs., Levinsen, p. 323, pi. 
xxvii ? fig. 11. 
CRIBRILINIDiE. 
Cribrilina tenuicosta, n. sp., C. chelys , n. n. (= Celleporaria radiala, 
Rss.), Bavarian Tertiary ; Koschinsky, p. 36, pi. i, fig. 3. 
PORINIDiE. 
Porina canaliculata , n. sp., Bavarian Tertiary, Koschinsky, p. 40, 
pi. iv, fig. 10. 
Selenariidje. 
Stichoporina simplex , S. protecta , S. crassilabris, n. spp., Bavarian 
Tertiary, Koschinsky, pp. 64-66, pis. vi, figs. 4-11, & vii, figs. 1-4. 
Kionidella , n. g. : zoarium elevated from the surface of attachment, 
leaving a central space, with which the zooecia communicate by canals ; 
aperture violin-shaped ; avicularia are usually present near the aperture ; 
for K. exeelsa and K. obliqueseriata , n. spp., Bavarian Tertiary, id. t. c. 
pp. 67-69, pi. vii, figs. 5-13. 
Myriozoid^]. 
Schizoporella lineolifera , S. magnifiea, S. serratimargo , n. spp., Adriatic, 
Hincks, pp. 267 & 268, pis. ix, fig 10, & x, figs. 1 & 6. Other species 
figured. S. limbata, n. sp., Jan Mayen, Lorenz, p. 88, pi. vii, fig. 3. S. 
dssa , S. subsquammoidea , S. perspicua , n. spp., Bavarian Tertiary, Kos- 
chinsky, pp. 46-49, pis. iii, fig. 1, ii, fig. 1, & iv, fig. 3. 
Escharimc. 
Cyphonella, n. subg. Xhnbonulce , for C. nodosa , n. sp., Bavarian Tertiary, 
Koschinsky, p. 60, pi. vi, fig. 1. 
