Balea australis. Tab. 2 fig. 9. a, b.

Testa dextrorsa, rimata, subcylindracea, turrita, decollata, dense capillaceo-costulata, corneo-lutea, maculis obscuris flavidis; sutura impressa; anfractus 11, convexiusculi; apertura pyriformis, columella triplicata, plica inferior maxima, conspicua, elevata, acuta, spiralis; peristoma continuum, solutum. Long. 18--Diam. 4--Apert 4 mill. (Mus. Brit. & Geol.)

This very remarkable shell, the first of its genus discovered in Australia, differs from all its congeners. It has exactly the aspect of a Clausilia, but the mouth is not furnished with a clausium. It was found under stones at Port Molle.

Pupina grandis. Tab. 2 fig. 10. a, b, c, d.

Testa ovato-subcylindrica, superne laevigata, inferne rugulosa, sordide-rufa; spira obtusa; anfractus 6, secundus tumidus, obliquus, ultimus super aperturam planatus; apertura rotundata; peristoma laete aurantiacum, rimatum, crassum, dorsaliter canaliculatum, infra columellari, profunde sinuatum et in canali contorto excavatum; canalis alter minutus ad partem superiorem et externam aperturae; callus columellaris expansus, appressus. Long. 30, Diam. 15, Apert. 7 mill. (Mus. Brit. & Geol.).

This, the giant of its genus, is perhaps the most remarkable land-shell discovered during the voyage. It differs from all other Pupinae in having an unpolished surface. It was found in the South-East Island of the Louisiade Archipelago, under dead leaves chiefly about the roots of trees.

Pupina thomsoni. Tab. 3 fig. 2. a, b.

Testa ovata, polita, nitidissima, translucens, hyalina, solidiuscula; spira obtusa; anfractus 5, duo ultimi majores; apertura orbicularis; peristoma album, crassum, solutum, canalibus duobus interruptum; canalis superior ad partem superiorem et externam aperturae, inferior major, basalis, marginibus disjunctis et in dorsum anfractus prolongatis. Long. 7 1/2, diam. 4 1/2, apert. 2 mill. (Mus. Brit.)

This remarkable and beautiful little Pupina is most nearly allied to the P. bilinguis of Cape York. From that species (which is larger) it differs, however, very materially, most especially in the position of the inferior or basal canal of the aperture which is here placed like the canal of a whelk, but in P. bilinguis is very small and placed high up, cutting as it were the columella. The curious manner in which the margins of the canals are prolonged on the back of the body whorl like parallel and somewhat diverging walls is also a singular feature of this species, which is dedicated to Dr. Thomson, surgeon of the Rattlesnake, and an excellent botanist. It was found among dead leaves at the roots of trees in Fitzroy Island.

Helicina stanleyi. Tab. 3 fig. 4. a, b.