FROM THE FUNAFUTI ATOLL, 25 
At a depth of from 50-60 fathoms large quantities of both A 
and B were dredged in equal proportion. 
The immature stage of form A is common in some dredgings 
around Funafuti, where the fourm B is sometimes entirely absent. 
This sma!l form, the original of Dr. Brady’s C. Guembelianus, is 
seen to graduate into the larger forms of the same type, which 
when fully-grown attain a diameter of 4 inch (11 mm.). These 
fully-grown specimens had not been observed by Brady in the 
‘Challenger’ collection, for he remarked * :—‘* Notwitnstanding 
their minute dimensions in comparison with the only other 
recent species hitherto obtained, they are to all appearances 
fully grown.” 
Brady, however, appears to have seen the adult specimens 
later, since there are some examples in the Brady collection at 
the British Museum (Natural History) of this type, probably 
obtained by him on his visit to Fiji. 
The larger of those specimens examined by Lister appears to 
be a fully-grown individual of the form A; these were obtained 
from the 8.E. of Nomuka in the Tonga Islands, at a depth of 20- 
40 fathoms. The young of form A (=C. Guembelianus) was 
recorded in vol. ix. of the ‘Challenger’ Reports} from Station 
174 C, off Kandavu, Fiji Islands, at 210 fathoms. in the 
‘Summary of Results,’ however, the record reads “ Station 172 A, 
off Tongatabu, at 240 fathoms” f. 
The various records for Cycloclypeus Carpenter: around Funafuti 
are as follows, the localities being taken in rotation N. E. 8. 
& W.:— 
North of Pava Id.—At depths varying from 36 to 63. fms. 
At 36 fathoms examples of Cycloclypeus consisted chietly of the 
immature forms of the megalospheric type. A specimen (adult 
form A) from 63 fathoms is partially enclosed in an encrustation 
of Lithothamnion—an illustration of the consolidation of reefs 
by the intergrowth.and overgrowth of organisms. 
Off Funamanu Id. (Beacon Id.).—Form A occurs at 50 fathoms, 
very common, especially the young furm; at 8U fathoms there 
were very large examples of form B, encrusted with Polyzoa, and 
with Carpenteria and other adherent Foraminifera ; and at 150 
fathoms good typical examples, fully developed, of form A. 
* Rep. ‘ Challenger,’ vol, ix. p. 751. 
t Pp. 92, 93, & 752. 
¢~ Summary of Results, 1st part, p. 631. 
