140 A. E. Verrill— The Bermuda Islands; Geology. 
of several species are also common,* and also fragments of starfishes, 
echini, and other echinoderms. Fragments of caleareous worm-tubes 
Figure 35.—Bermuda Foraminifera. 1, Miliolina circularis, side view ; 2, Milio- 
lina seminulum, side view; 2a, end view ; 3, M. pulchella, side view ; 3a, 
end view; 4, Textularia trochus, side view ; 5, T. concava, side view; 5a, 
end view; 6, T. luculenta, side view; 6a, end view; 7, Clavulina communis, 
side view ; 8, Nodosaria mucronata, side view ; 9, Biloculina ringens ; 10, 
Globigerina bulloides ; 10a, the same, with bases of spines remaining; 11, 
Orbiculina adunca, young; 12, the same, adult; 13, Cornuspira foliacea, x 8; 
14, Nonionina depressula; 15, Cristellaria compressa; 16, Peneroplis pertusus; 
Figs. 1-10 , 14-16, after Brady ; 11-13 after A. Agassiz. 
of the Serpula family are also common in the deposits from near 
ledges and reefs. 
* Among the common species are Orbiculina adunca, Orbitolites marginalis, 
O. duplex, O. complanata, Orbulina universa, Miliolina cireularis, M. venusta, 
M. seminulum, M. pulchella, Cornuspira foliacea, Textularia conecava, T. lucu- 
lenta, T. trochus, Ammodiscus tenwis, Clavulina communis, Peneroplis pertusus, 
