Smithsonian miscellaneous collections . 42 43 Figs. 42, 43.—Rhyncholampas evergladensis (Mansfield) : 42, Adoral view 648148, from the Tamiami formation, loc. 9; 43, Rhyncholampas ayresiKier, new species: Adoral view of 648160, from the Caloosahatcheeformation, loc. 6. These two drawings show the difference in the width of thenaked zones in ambulacrum III and interambulacrum 5. Material.—Twenty-seven specimens. Shape.—Varying in length from 54 to 65 mm, average 63 mm, insmaller specimens width approximately 85 percent of length, in larger90 percent of length (text fig. 44)
Smithsonian miscellaneous collections . 42 43 Figs. 42, 43.—Rhyncholampas evergladensis (Mansfield) : 42, Adoral view 648148, from the Tamiami formation, loc. 9; 43, Rhyncholampas ayresiKier, new species: Adoral view of 648160, from the Caloosahatcheeformation, loc. 6. These two drawings show the difference in the width of thenaked zones in ambulacrum III and interambulacrum 5. Material.—Twenty-seven specimens. Shape.—Varying in length from 54 to 65 mm, average 63 mm, insmaller specimens width approximately 85 percent of length, in larger90 percent of length (text fig. 44) with greatest width posterior tocenter (text fig. 43) ; adapical surface highly inflated with steeplysloping sides, height averaging 55 percent of length (text fig. 45) ;adoral surface flat or in few specimens slightly depressed aroundperistome. 46 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I45 Apical system.—Anterior, four genital pores, compact. Ambulacra.—Petals well developed, broad, lanceolate, with great-est width one-t
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience