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Taster :: Taster (n.) One of a peculiar kind of zooids situated on the polyp-stem of certain Siphonophora. They somewhat resemble the feeding zooids, but are destitute of mouths. See Siphonophora..

Asiphonate :: Asiphonate (n.) An asiphonate mollusk.

Sprack :: Spoutshell (n.) Any marine gastropod shell of the genus Apporhais having an elongated siphon. See Illust. under Rostrifera.

Nectostem :: Nectostem (n.) That portion of the axis which bears the nectocalyces in the Siphonophora.

Siphon :: Siphon (n.) A sproutlike prolongation in front of the mouth of many gephyreans.

Siphonophoran :: Siphonophoran (a.) Belonging to the Siphonophora.

Physalia :: Physalia (n.) A genus of large oceanic Siphonophora which includes the Portuguese man-of-war.

Velella :: Velella (n.) Any species of oceanic Siphonophora belonging to the genus Velella.

Pneumatocyst :: Pneumatocyst (n.) A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia..

Calamary :: Calamary (n.) A cephalopod, belonging to the genus Loligo and related genera. There are many species. They have a sack of inklike fluid which they discharge from the siphon tube, when pursued or alarmed, in order to confuse their enemies. Their shell is a thin horny plate, within the flesh of the back, shaped very much like a quill pen. In America they are called squids. See Squid..

Siphoid :: Siphoid (n.) A siphon bottle. See under Siphon, n..

Siphoniferous :: Siphoniferous (a.) Siphon-bearing, as the shell of the nautilus and other cephalopods..

Siphonobranchiata :: Siphonobranchiata (n. pl.) A tribe of gastropods having the mantle border, on one or both sides, prolonged in the form of a spout through which water enters the gill cavity. The shell itself is not always siphonostomatous in this group..

Siphonoglyphe :: Siphonoglyphe (n.) A gonidium.

Siphonia :: Siphonia (pl. ) of Siphoniu.

Nectocalyx :: Nectocalyx (n.) One of the zooids of certain Siphonophora, having somewhat the form, and the essential structure, of the bell of a jellyfish, and acting as a swimming organ..

Siphon :: Siphon (n.) A tubular organ connected both with the esophagus and the intestine of certain sea urchins and annelids.

Siphonal :: Siphonal (a.) Of or pertaining to a siphon; resembling a siphon.

Physograde :: Physograde (n.) Any siphonophore which has an air sac for a float, as the Physalia..

Diphyozooid :: Diphyozooid (n.) One of the free-swimming sexual zooids of Siphonophora.

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