Report of the United States Geological Survey of the territories . rior view of same, showing anal opening. 1, d. Under side of same, showing oral aperture. 1, e. A small part of the anterior ambulacrum, with two of the interambulacral plates on eachside, all magnified. If. A few of the ambnlacral pieces more highly magnified. 1, g. A small part of one of the short posterior ambulacra from the lower termination of its petaloid area, with a few of the interambulacra on each side, all 2. OsriiEA patina 10 2, a. A hinge-area view of the upper valve of , b. An outside
Report of the United States Geological Survey of the territories . rior view of same, showing anal opening. 1, d. Under side of same, showing oral aperture. 1, e. A small part of the anterior ambulacrum, with two of the interambulacral plates on eachside, all magnified. If. A few of the ambnlacral pieces more highly magnified. 1, g. A small part of one of the short posterior ambulacra from the lower termination of its petaloid area, with a few of the interambulacra on each side, all 2. OsriiEA patina 10 2, a. A hinge-area view of the upper valve of , b. An outside or upper view of same. 2, a, b (bis). Internal and external views of lower valve of type-specimen. (See bottom of (G. :!• OSTREA PATINA, inf. A 18 3, c,/. An internal and external view of tbe lower valve of the type of this var. (For upper valve of same, see fig. 1, a, b, of plate 11.)Fir,. 1. OSTREA INORNATA - 14 The type-specimen, showing tbe upper side of the shell with the two valves united. U / > ? ! -??,,, Fort Iicnv P II. ? Th* Sinclair &SOil lith Ilula PLATE 11. 1. OSTREA PATINA 18 1, a. An internal view of an upper valve of the variety represented by lig. 3, e,f, of plate 10. 1, b. An external view of same. Fig. 2. Gryfiuea vesicularis ? ^0 ?2, a. A side view of the under valve, showing convexity. 2, b. Exterior of the upper valve of , c. Interior of last. Fig. 3. Ostrea patina, war. B 18 3, «. An internal view of au under ,6. Exterior of same. Fig. 4. Ostrea patina, var. C 18 4, «. An upper-side view of the type-specinieu of the var., with the two valves , b. Au under-side view of same. !t,!f OM-oLuucal^uwci) mfilrs fmifcm i l-rirt Ilcn-c frroup i P I I
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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherwashi, bookyear1876
