. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 332 G. PULITZER-FINALI wide and 10 to 15 mm apart. The ectosomal skeleton consists of a reticulation of plurispicular tracts 45-90 |im thick, forming meshes 180-300 urn wide. The choanosome is cavernous; its skeleton is a reticulation of close-set, ill-defined plurispicular tracts. The spicules are oxeas slightly curved, measuring 180-210 x 5-12 (j,m (the most common thickness is 9 |im, but very thin oxeas are numerous).. Fig. 70 - Amphimedon rubiginosa sp. n., the holotype. Scale: 1 cm. Callyspongiidae Callyspongia p


. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 332 G. PULITZER-FINALI wide and 10 to 15 mm apart. The ectosomal skeleton consists of a reticulation of plurispicular tracts 45-90 |im thick, forming meshes 180-300 urn wide. The choanosome is cavernous; its skeleton is a reticulation of close-set, ill-defined plurispicular tracts. The spicules are oxeas slightly curved, measuring 180-210 x 5-12 (j,m (the most common thickness is 9 |im, but very thin oxeas are numerous).. Fig. 70 - Amphimedon rubiginosa sp. n., the holotype. Scale: 1 cm. Callyspongiidae Callyspongia perforata (Fig. 71) Occurrence: Shimoni (04°43'S - 39°23'E), Howards Rocks, depth 2-4 m, diver, 23 February 1974. , Holotype (): msng 48335. : The specimen (not entire) is subcylindrical, 10 cm long, cm thick, bifurcating at the top in tapering processes. The surface bears acute conules about 2 mm high. The numerous oscules are on one side only, in a row, 4 to 8 mm wide, with elevated rim. The sponge, in life, was slightly mucous. The colour in spirit is ochre (), the consistency resilient, harsh to the touch. The ectosomal skeleton is a reticulation of plurispicular fibres 27-37 urn thick, forming meshes 370-560 (im wide. Inside them there is a secondary reticulation of spongin fibres cored by one to several spicules in cross section. They. 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 Museo civico di storia naturale Giacomo Doria (Genoa, Italy). Genova : Stab. tipo-litografico P. Pellas Fu L.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky