ECTOPROCTA. 
Pol. 11 
Eschara lamellata , E. prominens, E. porosa, E. intermedia , n. spp., 
Montecchio Maggiore, Gottardi, pp. 306-309, pi. xiv, figs. 3-6. 
Escharella reticulato-punctata, Hi neks, E. reticulata , McGill., E. tri- 
spinosa , Johnst., redescribed, with figs. ; Levinsen, pp. 318-320, pi. xxvii. 
E. stylifera , n. sp., Kara Sea, id. t. c. p. 321, pi. xxvii, figs. 8-10. 
Lepralia viti'ea, n. sp., Jan Mayen, Lorenz, p. 89, pi. vii, figs. 4-6. L. 
fistulosa , L. schwageri, L. mediocris, n. spp., Bavarian Tertiary ; Kos- 
chinsky, pp. 50 & 51, pi. iv, figs. 4-6. L. ombonii, n. sp., Montecchio 
Maggioro, p. 305, pi. xiv, fig. 1. 
Mucronella laevigata , M. cystioides, M. semierecta, M. beneclcei , M. 
inhabilis, M. loricata , M. sutneri , n. spp., Bavarian Tertiary ; Koschinsky, 
pp. 52-57, pis. iii, figs. 2-4, 6-9, & v, fig. 1. 
Pachy/craspedon , n. g. : zooecia ovate or cylindrical, aperture sur- 
rounded by an annular ridge, usually semicircular, with a notch in the 
proximal margin ; for P. clarum, P. zittelii, P. lautum, P. separatum , P. 
gotzreuthense, n. spp., includes also Lepralia otophora , Has., Bavarian Ter- 
tiary ; id. t. c. pp. 43-45, pi. ii, figs. 2-6. 
Porella tenuis , n. sp., Bavarian Tertiary, id. t. c. p. 60, pi. v, fig. 3. 
Smittia rigida , n. sp., Jan Mayen, Lorenz, p. 91, pi. vii, fig. 9. 
TJmbonula margaritata , TJ. cyrtoporoides , n. spp., Bavarian Tertiary ; 
Koschinsky, p. 59, pi. ii, figs. 8 & 9. 
Costulidje, n. fam. 
Zooecia having their frontal wall formed of flattened ribs, usually 
hollowed, radiating from the external border towards the median liue of 
the zooecium, where they fuse intimately ; these ribs are connected with 
each other sometimes by a larger or smaller number of transverse bars, 
sometimes side by side, the ribs always remaining visible ; for Costula, 
n. g., for Escharella arge , d’Orb. ; Jullien. It contains the following 
genera : — 
Barroisina , n. g. for Reptescharipora elegantula, Hagenow, and Lepralia 
haueri , Reuss ; id. t. c. p. 605. 
Collarina, n. g. for Lepralia cribrosa , Waters, Cellepora circumcincta, 
Reuss, and Eschara filiformis , d’Orb. ; id. t. c. p. 607. 
^ Golletosia, n. g. for Lepralia endliclieri , Reuss, and L. scarabceus , Reuss ; 
id. t. c. p. 610. 
Oribrilina, Gray, 1848, of which Eschara radiata , Moll., not Lepralia 
punctata , Hass., is taken as type ; id. t. c. p. 604. 
JDecurtaria , n. g. for Semieschar por a cornuta i Beissel ; id. t. c. p. 606. 
Figularia, n. g. for Lepralia Jigularis, Johnst., and L. eleg antis sitna, 
Seg. ; id. t. c. p. 608. 
Jolietina , n. g. for Cribrilina latimarginata , Busk ; id. ibid. 
Lyrula , n. g. for Cribrilina hippocrepis , Hincks ; id. t. c. p. 606. 
Mumiella , n. g. for Semiescharipora mumia , d’Orb. ; id. t. c. p. 605. 
Murinopsia , n. g. for Semiescharipora galeata , Beissel, and Multeschari- 
pora franegana , d’Orb. ; id. t. c. p. 608. 
Puellina, n. g. for Lepralia gattyce , Busk. : id. t. c. p. 607. 
Reginclla, n: g. for Cribrilina fur cata, Hincks ; id. t. c. p. 605. 
