Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067781
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067773
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067769
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067777
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067803
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067774
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067778
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067804
Giant barrel sponge (Xestospongia muta) exhibiting exposed tissue where portions of the barrels have been sheared off by stormFrom Wikimedia CommonsThe elkhorn coral colony at West Flower Garden Bank, located at approximately 27°54'33" N, 93°35'59" W, in the northwestern Gulf of Mexico, is situated behind the barrel sponge in this photo (October 2008) .
Cobalt blue sponge (Acanthancora cyanocrypta), surrounding the cucumber Psolus chitinoidesOnce its bright red tentacles have been withdrawn, the cucumber Psolus chitinoides is difficult to see. It is surrounded by the cobalt sponge Acanthancora cyanocrypta, formerly Hymenamphiastra cyanocrypta.
Spongia oculata, showing the orifices and currents outwards.. 2. Anastomosing horny substance of Spongia communis.; 3. Siliceous spiculum of S. papillaris.