Prodromus of the paleontology of Victoria; or, Figures and descriptions of Victorian organic remains .. . riation, showing the proportions of the interspaces and the character of the vaulted scalesforming the tuberculation about the middle of the shell on the older stage of growth. Fig. 16,magnified view, showing character of more uniform ridges with blunt tubercles becomingobsolete near margin of old specimen. Fig. 2, magnified view of another specimen, showing theridging of the ears. Fig. H, view of right valve, natural size, showing the regular characterof the byssiferous early stage of gro
Prodromus of the paleontology of Victoria; or, Figures and descriptions of Victorian organic remains .. . riation, showing the proportions of the interspaces and the character of the vaulted scalesforming the tuberculation about the middle of the shell on the older stage of growth. Fig. 16,magnified view, showing character of more uniform ridges with blunt tubercles becomingobsolete near margin of old specimen. Fig. 2, magnified view of another specimen, showing theridging of the ears. Fig. H, view of right valve, natural size, showing the regular characterof the byssiferous early stage of growth near the beak and the distorted transversely squamousolder stage of growth nearer to the margin. Fig. 4, another specimen of right valve, naturalsize, viewed in profile, showing the great depth sometimes attained, the regular Pecten-likeearly growth near beak, beyond which is the large scar produced by the subsequent calcareousattachment, beyond which the concentric scale-like slielly fringes as in Spondylus are seen andthe nearly equal ridges. Frederick McCoy. [;2] PlUX PAL/EONTOLOCY OF VICTORIA. iw^it^iiiwi ? <^}ffUti\ del e4- urTi Prof MU:o\:Dtrt<i C jy^cdeZ. intp TerHari/.-\ PALAEONTOLOGY OF VICTORIA. lEchimdermata. Plate LIX. CLYPEASTER GIPPSLANDICUS (McCoy). [Gentis CLYPEASTER (Laji. restricted). (Sub-kingd. Radiata. Class Echinida. Earn. Clypeasteridas.) Gen. Char.—Testa of single walls ; subpentagonal, depressed ; ambulacra petalloid ; actinal,or lower, surface flat, witb the mouth depressed in a uan-ow circumscribed hollow; well-developedstraight ambulacra! grooves extend from mouth. Tubercles small, perforated and between upper and lower walls formed of very numerous, needle-like (in size and shape)calcareous styles and fewer, thicker, irregular pillars. A row of pores in the sutures connectingthe long sides of the two rows of ambulacral plates beyond the i)etals in some species.] Description.—Subpentagonn
Size: 1313px × 1904px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectpaleontology, bookyea
