Elements of zoölogy a Elements of zoölogy : a textbook elementsofzolo00tenn Year: c1875 Tubularia. m, medusae; ct, coronal ten- tacle; p, proboscis. Campanularia.—The hydro-medusne in the bell-shaped cups drop out and become free medusae similar to Fig. 698. FIG. 698. In the Sertulariana (Fig. 696) and Campanularians, the hydroid has a stem which is covered by a horny sheath, which is formed into few or many bells or cups. In a fertile cup there are hydro-medusae, which at length drop out and become free medusae similar to Tiarop- sis (Fig. 698). In the Siphonophoree the hydroid acalephs exi
Elements of zoölogy a Elements of zoölogy : a textbook elementsofzolo00tenn Year: c1875 Tubularia. m, medusae; ct, coronal ten- tacle; p, proboscis. Campanularia.—The hydro-medusne in the bell-shaped cups drop out and become free medusae similar to Fig. 698. FIG. 698. In the Sertulariana (Fig. 696) and Campanularians, the hydroid has a stem which is covered by a horny sheath, which is formed into few or many bells or cups. In a fertile cup there are hydro-medusae, which at length drop out and become free medusae similar to Tiarop- sis (Fig. 698). In the Siphonophoree the hydroid acalephs exist as free communities, each community being made up of individ- Tiaropsis.
Size: 1588px × 1260px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
