The Cambridge natural history . Fig. 66. — Valrata ?piscinalisMiill. : hr, branchia ; Jl, fila-ment ; , foot loljL>i. (Aftei-Boutaii.). Fici. 67. — Doris (Arrliidons)tuhercvlula L., Britain : a,anus ; hr, branchiae, sur-rounding tlie anus ; vi, maleorgan ; rh, rh, rhinoi)

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895