. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 74 G. PULITZER-FINALI The specimen consists of closely-set, anastomosing digitate pro- cesses, hollow, closed distally, 5-8 mm in diameter. The consistency (in spirit) is very soft and fragile. The ectosome, supported by tangential oxeas, is extremely delicate and readily separable. Its colour is dark brown, while the choanosome is cream. Spicules: 1) Oxeas measuring 40-560 X 2-12 [xm. They might be regarded as belonging to three categories, but intermediates are present. The smaller ones, measuring 40-90 ^m, are the
. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 74 G. PULITZER-FINALI The specimen consists of closely-set, anastomosing digitate pro- cesses, hollow, closed distally, 5-8 mm in diameter. The consistency (in spirit) is very soft and fragile. The ectosome, supported by tangential oxeas, is extremely delicate and readily separable. Its colour is dark brown, while the choanosome is cream. Spicules: 1) Oxeas measuring 40-560 X 2-12 [xm. They might be regarded as belonging to three categories, but intermediates are present. The smaller ones, measuring 40-90 ^m, are the most numerous. 2) Cal- throps with rays measuring 180-220 X 7-11 [xm. 3) Calthrops with rays measuring 50-70 X [ira. 4) Oxyasters without centrum, with a variable number of rays and a diameter of 11-16 ^m. Pachataxa lutea sp. n. (Fig. 8, 9) Occurrence: La Parguera (Puerto Rico), depth 20-25 m, 12 May 1964. Holotype: msng 47681 The specimen was collected under an overhang, in a permanently shadowed position. It is cushion-shaped, measuring 7 X 5 X cm. The colour in life was light yellow, turned greenish yellow soon after. Fig. 8 - Pachataxa lutea sp. n., the holotype. Scale: 2 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
