Conchologia Iconica; or, Illustrations of the Shells of Molluscous Animals, Vol. XX- containing a Monograph of the Genera, Solemya, Mya, Clausilia, Cylindrella, Pupa, Vanikora and Neritopsis, Kuphus, Teredo, Pedicularia, Mytelimeria, Saxicava, Pupinidae, Gastrochaena, Zylophaga and Navea, Fistulana, Rissoa, Siliquaria, Cyrena, Sphaerium, Planorbis, Planaxis, Velorita, Pteropoda, Ancylus, Alycaeus, Margarita, Rotella, Stylifer, Auricula