THE LAMELLIBRANCHIA J07 concrescence of the internal reduplicature of their margins ; this Union may be localised in one, two, or CA'cn three more or less extensive regions. Thus, there is only one line of union in the Solenomyidae (in which it is long, Fig. 231), the Aviculidae, the Ostraeidae,… … Fig. ISS. Area ladea, Linnaeus, ventral aspect. a.a, anterior adJuctor ; a.l, anterior lip ; a.p, anterior labial palp ; h, byssus ; /, foot ; rj', internal gill-plate ; g", external gill-plate ; g.a, gill-axis ; h.a, posterior adductor ; m, moutli ; jm, mantle ; p.l, posterior lip ; re, rectum ;…
Color · Sight · Philosophy, German
Internet Archive · Robarts - University of Toronto · Public domain (published before 1931). Free to use for anything.