40 
lower one oil-green; tibiz and hinder part of the tarsi bright yellow ; 
remainder of the legs and feet yellowish brown. 
Total length 17 inches; bill 33; wing 73; tail 3; tarsi 22. 
Hab. East coast of Australia. 
Remark.—Differs from the Ardetta Javanica in being considerably 
larger in size and in the great size of its head and bill. 
CRactTIcUsS PICATUS. 
Collar at the back of the neck, centre and edge of the wing, rump, 
abdomen, under tail-coverts and tips of all but the centre tail-feathers 
white; remainder of the plumage deep black; irides dark reddish 
brown ; bill ash-grey, the tip black ; legs and feet dark greenish grey. 
Total length 10 inches; bill 12; wing 6; tail 43; tarsi 12. 
Hab. Northern Australia. 
Remark.—A miniature representative of, and nearly allied to, but 
distinct from, Craclicus nigrogularis. 
March 14, 1848. 
Dr. Gamble in the Chair. 
The following papers were read :— 
1. Diacnoses SPECIERUM NOVARUM GENERIS PLANORBIS COLLEC- 
Tionis Cumineian&, Avucrore Guit. Dunxer, Dre. 
/ 1, Puanorsis 1nFtatus, Dkr. Pl. testd magnd, inflatd, fusco-, 
olivaceo- et cinereo-corned, nitidd, striatd, supra profunde umbili- 
catd, infra concavd, anfractibus 4 inflatis celerrimé crescentibus ; 
aperturd reniformi ; fauce fuscd. 
Diam. max. 1! 1'"; alt. aperture 8'". 
Species tum colore, tum habitu varietatibus quibusdam Pl. cornei, 
simillina. Anfractus primordiales striis spiralibus insignes. 
Patria cochlez eximiz ignota est. 
2. Pranorsis nitTIpuLus, Dkr. PI. testd parvuld, pallide corneo- 
fulvescente, nitiduld, pellucida, supra profundé umbilicatd, basi 
pland ; anfractibus 3} rotundatis ; aperturd oblique ovatd. 
Diam. max. 13!"; alt. 3", 
Species hec parvula basi plana et latere superiore umbilicato nos- 
cenda, in Chersoneso aurea (peninsula Malacca) plantis aquaticis 
insidens reperta est. (H. Cuming.) 
vy 38. Pranorsis Gitperti, Dkr. Pl. testd depressd, sublenticulari, 
pallide corned, nitidd, pellucida, superd pagind planiusculd, in- 
Serne umbilicatd ; anfractibus tribus utrinque obtuse angulatis ; 
