30 
Mr. A W. Waters on the 
Loc. Miocene: several localities in Austria and Hungary, 
Turin. Pliocene: Piacenza, Tuscany, Bruccoli, &c. (Sicily). 
Living: Mediterranean, Bed Sea (Aud.), Madeira (Busk), 
Florida (8m.). 
13. Lepralia Gattyce , Landsb. (PI. IX. fig. 6.) 
Lepralia Gattyce , Landsborough, Pop. Hist, of Brit. Zooph. p. 326, 
pi. xviii. fig. 71; B.M. Cat. p. 73, pi. lxxxiii. fig. 6. 
Lepralia Steindachneri, Heller, Die Bryoz. des Adriat. Meeres, Verh. 
der k.-k. zool.-botan. Gesellsch. Wien, vol. xvii. 1867, p. 109, pi. ii. 
fig. 19o. 
?Flustra Jaubertii, Aud. in Sav. Egypte, p. 68, pi. 9. fig. 9. 
The ovicell is large, orbicular, nearly as wide as the zooecia, 
with a slightly raised keel above the aperture. The border 
of the ornamented area is deeply indented; and occasionally 
in each indentation rises a very minute spine. In the 
centre of the area is a tubercle which sometimes is promi¬ 
nently raised and bifurcate at the extremity. In fig. 6 a 
this is seen surrounded with the minute spines just men¬ 
tioned. 
This is a semitransparent species, and, as it contains but 
little calcareous matter, is only to be satisfactorily seen 
when preserved in fluid, though the delicate radiating lines 
are only visible when dry. 
I did not recognize from Busk’s figure that it was the same as 
Heller’s L. Steindachneri; but upon comparison of the British- 
Museum specimen found that it had a well-marked area as 
figured by Heller. The figure given by Landsborough is 
much better than that in the British-Museum Catalogue. I 
cannot see that this has much resemblance to L. coronata, 
Aud., which seems more to approach L. vulgaris. 
Operculum (34*) *068 millim. wide, *04 long. 
Loc. Lesina (Adriatic), Sidmouth, jersey. 
14. Lepralia crihrosa , Heller. (PI. IX. fig. 4.) 
Lepralia cribrosa, Heller, Die Bryoz. des Adriat. Meeres, p. 109, pi. 11. 
fig. 6. 
The name crihrosa has already been used by Boeck for 
another species ; but as Boeck’s crihrosa is considered a syno¬ 
nym, I have provisionally retained Heller’s name. 
The zooecia of this species are much larger than those of L. 
Steindachneri ; but the two are evidently closely related. The 
ornamented area is perforated with small pores near the centre, 
and much larger ones at the edge; the ovicells have similar 
holes and radial lines. There is frequently an avicularium 
near the end of the ovicells, and usually one avicularium at 
