north-eastern province.  Phos cyanostoma lives on muddy sand in the Trinity Bay islets, where also in similar situations is Terebra maculata and Pyramidella maculosa.  Pyramidella auriscati is a littoral shell among the reefs of the Claremont Isles.  Several Purpurae were taken on reefs and rocks at low-water; among them was P. textiliosa, a Port Dalrymple species.  A Quoya lives on rocks being high-water mark in Lizard Island.  Several Terebrae, including T. crenulata dimidiata and affinis, inhabit muddy sand among Pipon’s Islets.  The well-known Strombus luhuanus lives on sand among the reefs at Eagle Island.  A Cerithium inhabits mud-flats at Port Molle and Pipon’s Islets.  Of the holostomatous gasteropods inhabiting the Littoral zone, the Naticae, mostly well-known species, were taken in sandy localities on the north-east coast, and the Neritae in the same province, mostly on rocks or reefs.  Littorina pyramidalis and mauritiana are inhabitants of the rocky headlands of Broken Bay; other forms were collected at Port Curtis and at Port Dalrymple.  At the last-named locality, Turbo undulatus, a new Risella, Monodonta constricta and buccata, and Trochus reticularis were taken on reefs.  Littoral species of the same genera occurred on the north-east coast.  A New Rissoa was found under stones at Night Island.  Turbo squamosus and Trochus lentiginosus are inhabitants of the shore at Port Essington.  In Broken Bay species of Bankivia and Scalaria were collected, cast dead on the shore.

The Acephala found living in the Littoral zone of the south-east Australian province were Cleidotherus chamoides, under rocks at low-water in Port Jackson; Mytilus erosus on the mud of zostera flats at Port Dalrymple, several species of Venus, Tapes, Cytherea in similar localities; Arca globata in the same habitat at Brisbane; Arca fuscata in reefs at Port Dalrymple; a new Tellina on mud at Port Phillip; another with Donax epidermia in sand at Broken Bay, and Clavagella australis on rocks at low-water, Port Jackson.  Species of Pectunculus, Nucula, Pandora, Anatinella, Venus, Tellina (decussata and deltoidalis) and Mesodesma are thrown dead on the shores.

In the north and north-east Australian province the living littoral Acephala are Solens of which two new species were taken at Port Essington, Anomia australis, Anatina olerina, and another, new, in the same locality; species of Mytilus, Meleagrina and Pinna, Ostrea and Pecten (pyxidatus) Lima fragilis and squamosa, Hippopus and Tridacna, the former detached on coral reefs, the latter embedded in the coral, Corbis fimbriatus in sand among coral reefs; species of Venus, Cytherea, Circe, and Tapes in mud, Artemis sculpta at Port Essington on sand, Lucinae on sand or reefs, Crassatella on mudflats at Port Curtis, where Cypricardia vellicata occupies the fissures of rocks with Carditae; several species of Cardium in mud or sand, including C. fragum, C. subrugosum, and C. unedo; Sanguinolaria rugosa at Dunk Island; species of Mesodesma in sand, and Mactrae and Tellinae in mud; a new Psammobia at Port Essington as also a new Pholas that bores into coral.  Other species, members of the same genera, are cast on shore dead.