. Contributions to Canadian biology. Marine biology; Natural history. HTDROID.^ OF EASTERN CANADA 161 CalyccUa si/ringa (Linnaeus). Trophosomc. Stolon smooth, not reticu- lated; liydi-oteea tubular; margin distinct; operculum of S or 9 converging segments; pedicel anuulated. Gonosome. Gonang'um on the stolon, oval or obovate; "sporosacs extruded into an acrocyst; jiedicel short, No. 52. Calycella syringa. Genus CUSPIDELLA. Trophosome. Hydrotheca tubular, sessile on a creeping stolon. Gonosome. Unknown. KEY TO SPECIES. a Gonangium obvate. h Hydrotheca segmented. 0. lacerata. C.
. Contributions to Canadian biology. Marine biology; Natural history. HTDROID.^ OF EASTERN CANADA 161 CalyccUa si/ringa (Linnaeus). Trophosomc. Stolon smooth, not reticu- lated; liydi-oteea tubular; margin distinct; operculum of S or 9 converging segments; pedicel anuulated. Gonosome. Gonang'um on the stolon, oval or obovate; "sporosacs extruded into an acrocyst; jiedicel short, No. 52. Calycella syringa. Genus CUSPIDELLA. Trophosome. Hydrotheca tubular, sessile on a creeping stolon. Gonosome. Unknown. KEY TO SPECIES. a Gonangium obvate. h Hydrotheca segmented. 0. lacerata. C. costaia. Cusp'ulella rosldia Ilincks. Trophosome. "Hydrothecae somewhat broadly cylindrical, encircled by two or three rather prominent ribs, or lines of growth, dividing them into segments, the uppermost or opercular segment formed of thinner material than the rest and supporting a conical, operculum, composed of very numerous convergent pieces " (Hincks).. Gonosome. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biological Board of Canada; Canada. Marine Biological Station. Toronto, Biological Board of Canada
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