Fig. 
Fig. 
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Fig. 
Fig. 
Fig. 
Fig. 
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Fig. 
Fig. 
Fig. 
52. 
53- 
. Tetilla laminaris. Spicules a to g, X310; h, 800; a, stouter form of skeletal oxea; b, long 
63. 
64. 
SPONGES OF BEAUFORT (N. C.) HARBOR AND VICINITY. 179 
Suberites undulatus. Tylostyles. 385. 
Stylotella heliophila. a,b,c, styles. 385. 
slender form of skeletal oxea; c, inequiended oxea of ectosomal brushes; e, stout protriane 
of lower part of body; /, protrizene from oscular margin; g, hair-like protrizene of general surface; 
h, sigmata. 
. Reniera tubifera. a, characteristic oxea and young stage; b, style; c, strongyle. 640. 
. Acanthella corrugata. a, style of the radial fibers, 138; b, oxeote modifications of the same, 
X138; c, d, e, megascleres with irregular ends, 640. 
. Microciona prolifera. a, b, skeletal styles, < 385; c, spinose styles, 385; d, isochela, X 1,380; 
e, toxe, X1,380. 
. Esperiopsis obliqua. Spicules a tod, X 640; e tof, X 1,380; a, smooth style; 6, spinose style; 
c, strongyle; d, slender tylostyle; e, toxa; f, twisted isochele. 
. Axinella acanthifera. a, style, common form; 6, style, stouter form; c, style, longer slendered 
form, projecting at surface; d, spinose style. 360. 
. Phoriospongia osburnensis. a, strongyles, 385; 6, tridentate isochele in side, dorsal, and 
ventral views, X1,380; c, sigmata, 1,380. 
. Hircina ectofibrosa. Ends of filaments. 1,380. 
. Lissodendoryx carolinensis. a, style, X640; b, tylote, 640; c, d, isochele in face and side 
views, X 1,380; e, sigmata, X 1,380. 
Phloeodictyon nodosum. Oxeas. 640. 
Aplysilla longispina. a, simple skeletal fiber, 138; 6, upper end of dendritic fiber, «138; 
c, dendritic skeletal fiber, including base of fiber and apex of one branch, 138; d, part of 
fiber, showing pith, < 640. 
