CoraUiim in F.forbe.si, rar. occidenfalis. — Oirffi. 1-io 
Figure 21. Poi-lioii of the iippi'i- sui-racc of a coldiiv nf F(i>;>.sif,s 
forbexi whicAi shows the initial cell siiridiindod by cells of lli.' iliinl and 
fourth goneration. X i. 
FiCiURE 22. A curalliim of FdroxHi-xforbisi with coraliitt-s of Ihi- first, 
second, third, fourth, and fiftii generation. The interstitial cidls arc 
numerous and irre^^ular, the central omi older than (he nthcrs. The 
initial cell has hi-re an inscribed [K)sition. X4. 
Figure 23. Part of the surface of anorliiT spi'cimen of l'\ii-i,. •<!!,.•< 
forbesi illustratinii- a jjeriod of (h'velopmeni a lillli' sul)se(|iirnl lo the 
last. Cells of the first, second, iJiird. fourth, and fifth series are repre- 
sented, and these are in turn enclosed by another series of buds periph- 
eral to themselves. X4. 
Figure 24. A curious interg-rowtii of two colonies of F<(r,>.siti)< f,irb,.st 
into a single corallum. The development of each is regular. X4. 
Figure 2"). The same as seen from above. X4. 
Figure 2G. An abnormal form of FarDnitex furhisi in which unly three 
secondary cells have been developed. X4. 
pi-ate viii. 
Figures 1, 2. :!, 4. .">. Diagrammatic representation of several stages 
in the development of Fttnixitesforbrsi. 
Figure (). Faroxitex xpinigerus. The youngest specimen observed. The 
initial cell witli the four .secondary cells have been de\cl<»pe(l. There 
is a central interstitial bud as old as the second series. X 1. 
FiciURE 7. A young example of Fdrosites spinujenix showing a lariic 
number of interstitial buds characti'ristic of the species X4. 
FiGt:RE S. A ])rostrate example of Faroxitrx sjiiitifiirux with liiuhl\- 
thickened walls. X4. 
Figure 9. Another \iew of the same. x4. 
" Figure 10. A speciiuen of A>nv;.v(V^^'<.v^j//u'^(;/-'/.v showing the initial cell. 
the four secondary' cells, and a large number of inlersiiiial cells, x I. 
Figure 11. FaroHltcs xjdiiifjcrnx. .\ large colony in which the initi.il 
cell occupies a i)eripheral position. This feature, the result uf a dorsal 
extension of subsequent cells, is characteristic of tiiis species. XI. 
FtGURE 12. Another extensive colony of Faroxifrx xj)i/H'//( rux where the 
initial cell is peripheral but nol so prominent as in the i)receding. X I. 
Figure 13. Another colony of the same species showing Ihe dorsal 
growth of the secondary corallili's. and later series. X I. 
Figure 14. FuroxUcx xpiniiji'nix. \ specimen showinu' the rel.iiive po- 
sitions of the i)roximal members of the second and third series, together 
with the initial cell still peripherally located. X4. 
Figure 15. Lateral \ iew of an e\iensi\e colony of F<ir<isihx x/)iii///ir>/x, 
exhibiting the proiuinent position of the initial ci'll. X I. 
Figure 1(>. A specimen of Furoxitcx lu'iiiixiilicri-nx. which shows i In- 
initial cell, four symmetrical secoinlary ci'lls, and one ceiilral inlersli- 
tial cora'llite. The (piasi [x'dicellate condition of iliis specimen is wor- 
thy of notice. X4. 
Figure]?. Faroxitix (■i>iiicii'<. The ligure represents pari uf ihe under 
surface of the specimen. The broken coralliles ai'e more ele\ aled than 
