Page:Field Notes of Junius Henderson, Notebook 4.pdf/29

 Keyhole Limpets continued

- smaller, hole large, dark rays on end making two white spots, northern - large white limpet, -elevated. - ribbed, to - - internal plate between puncture and apex -- large, trough from apex to margin inside. -green abalone-southern, rather thin, low spiral ridges, interior mostly green, fine peacock scar, about 6 holes, 6 inches. , from, Sonoma Co., longer flatter, paler nacre. - red abalone-outer layer projects over inner and makes fine red edge. Outside rough, holes large (3), prominent scar, 9 in., getting rare -black abalone, smooth - corrugated abalone- size and color like rufescens, but nearly circular, high arched, thick externally, corrugated, 2 or 3 large holes, scar large and brilliant, southern. - threaded abalone, deep water, to, large one 4 in. longa and 3 1/2 wide, 7 holes, exterior threaded like tapestry carpet, moderate furrow below holes, high arched, reddish out side, inside smooth silvery, no visible scar, thick, compact solid -Japanese abalone-Central California to, smaller southward, only 5 in. long, thin shell, sharp edge, spire prominent, surface uneven, 4 holes with high walls, interior very iridescent, light colors prevailing, scar not distinct.

- Atlantic coast etc. - Cali. Largest on Cali. Coast, abundant () - white, flat or irregular - like navicelloides, but long, narrow, thickened by several layers partly detached at edges. () - small, flat circular, thin, wrinkled, brown and white, deck partly detached.