170 
squamulis verrucosis obsitd; latere antico rotundato, postico 
subflecuoso rostrato ; ared sulco impressd ; margine ventrali con- 
vexo, postice subflecuoso. 
Hab. in littoribus Australiee. 
Shell transverse, equilateral, white, transversely concentrically pli- 
cated in the middle ; plicee rather wide apart and angulated ; inter- 
stices longitudinally striated; ventral region and both extremities 
covered with scales, spose at each end and wart-like in the middle. 
Hab. Cape York, North Australia ; collected by J. B. Jukes, Esq. 
2. SANGUINOLARIA TELLINOIDES. (Mollusca, Pl. VI. fig. 6.) 
S. testd transversd, inequilaterd, utrinque hiante, rubiginosd, 
tenui, levi, striis transversis concentricis radiatim lineolatd; 
latere antico latiore, rotundato; postico angustiore, rotundato, 
subrostrato ; ared laterali lined latd impressd ; margine ven- 
trali convexo, postice valde sinuato. 
Hab. in Sinu Californiz. 
Shell inequilateral, gaping at both ends, rubiginose, thin, smooth, 
with transverse concentric strize and longitudinal fine radiating lines ; 
anterior side the widest and rounded, posterior side narrowest, round 
and somewhat beaked ; lateral area with a depression extending from 
the umbo to the ventral margin; ventral margin convex, strongly 
sinuated posteriorly. 
Hab. Gulf of California. 
3. Panopma Japonica, A. Adams. (Mollusca, Pl. VI. fig. 5.) 
Pan. testd equivalvi, transversd, lateribus inequaliter hiante, 
inequilaterd, utrinque rotundatd, albd, tenui, fragili, trans- 
versim concentricée plicatd, plicis subdistantibus rotundatis ; 
latere antico breviore, postico duplo fere anticum superante ; 
margine ventrali arcuato, integro. 
Hab. Japoniam. 
4. DESCRIPTION OF A NEW SPECIES OF THE GENUS THRACIA. 
By Dr. Jonas. Communicatep By H. Cumine, Esa. 
THRaciA MAGNIFICA, Jonas. (Mollusca, Pl. VI. fig. 7.) Th. 
testd ovato-oblongd, transversd, inequivalvi, lacted ; utrinque 
rotundatd ; lateribus hiante ; valvd dextrd ventricosiore et ma- 
jore quam sinistrd; latere antico flecuoso, posteriore brevi, 
oblique carinato, transversim corrugato-plicatd, plicis subdi- 
stantibus concentricis longitudinaliter radiatim granulato-stri- 
atd, margine neutrali arcuato anticé subsinuato. 
Hab. ? 
5. Norice or a Hysprip CROWNED-PIGEON, HATCHED IN THE 
Menaceriz. By D. W. Mircue.t., Sec.Z.8. erc. etc. 
The habits of so singular a form as the Crowned-Pigeon possess an 
interest, which will, [ believe, be a sufficient apology for my desire to 
make some record of the first instance of its successful nidification in 
