A N A T I N A. 



Plate IV. 



Species 21. (Mus. Cuming.) 



Anatin.a. NAVICUL.*.. Anat. suhaquilaterali, ohlonijd, yib- 

 bosd, hyaliiid, granoso-scah'osd, lateribus rotundalis, 

 parum Mantihts, antico snblatiore, obtuse tinii do- 

 Iruncato. 



TirE B0.4T Anatina. Shell neavly equilateral, obloii<j, 

 gibbons, hyaline, granosely scabrous, sides rounded, 

 but little gaping, anterior side rather the broader, 

 obtusely tumidly truncated. 



Hab. ? 



An oblong gibbous shell, with very much the form of 

 Novacidiua. 



Species 22. (Mus. Cuming.) 



Anatina faba. Anai. tesld ovatd, utrinque attenuatd, 

 tenumhnd, hyalhid, conceiitrice striato-lh-atd, latere 

 poslico fexuoso-rostrato, vix Jiiante. 



The bean Anatina. Shell ovate, attenuated at each 

 end, very tliin, hyaline, concentrically striately ridged, 

 postei'ior side flexuously beaked, scarcely gaping. 



Hab. Brisbane, east coast of New Holland. 



A small iVwcwZa-shaped species, very thin and trans- 

 parent, but distinctly concentrically striately ridged, the 

 posterior side is attenuately flexuously beaked, scarcely 

 gaping. 



Species 23. (IMus. Cuming.) 



Anatina ampuora. Anat. testa ovatd, medio ventricosd, 

 ieniii, liyalind, conceiitrice striato-liratd, latere postico 

 abrupte rosirato, tubidoso-ldante, margiuibus exaertis, 

 antico altenuato-rotundato. 



The pitcher Anatina. Shell ovate, ventricose in the 

 middle, thin, hyaline, concentrically striately ridged, 

 posterior side abruptly beaked, tubularly gaping, mar- 

 gins pouted, anterior side attenuately rounded. 



Hab. Island of Burias, Philippines. 



A delicately transparent, concentrically ridged species, 

 broadly ventricose in the middle, in which the posterior 

 side is very abruptly beaked and pouted. 



Species 24. (Mus. Cmning.) 



.Vnatina recta. Anat. testd subaquilaterali, elongnlo- 

 oblongd, rectd, sordide albd, laleribm rotundatis, pos- 

 tico subobsotele conceiitrice corrugato, antico latiore ; 

 siibexpauso, lateribus amhobits niodici- hiantibus. 



The straight \natina. Shell nearly equilateral, elon- 

 gately oblong, straight, dull white, sides rounded, pos- 

 terior rather obsoletely concentrically wrinkled, an- 

 terior broader, slightlyexpanded, both sides moderately 

 gaping. 



Hab. Port Phillip, Australia. 



A straight, nearly equilateral species, gaping at both 

 ends, with the margins iuclined to expand. 



Species 25. (Mus. Cuming.) 



Anatina corrugata. Anat. testd oblongd, snbangustd, 

 tenui, hyalind, latere postico conceiitrice corrugato, 

 altenuato-truncato, modice hiante, antico siibi-eitlricoso, 

 rotiindato, modice hiante. 



The wrinkled Anatina. Shell oblong, rather narrow, 

 thin, hyaline, posterior side concentrically wrinkled, 

 attenuately truncated, moderately gaping, antei-ior 

 rather ventricose, rounded, moderately gaping. 



Hab. Island of Ticao, Philippines (in coral saud at a 

 depth of about six fathoms) ; Cuming. 



The posterior side is in this species attenuately truncated 

 in form, and faintly but distinctly wrinkled. 



Species 26. (Mus. Cuming.) 



.Vnatina vagina. Anat. testd oblongo-ovatd, curvaid, 

 tennissimd, liyalind, copiose minute granidatd, latere 

 postico breviuscido, constricto-rostrato, tiibuloso-hiante, 

 marginibus expansis, antico coinpresse rotnndato, parum 

 hiante. 



The sheath Anatina. Shell oblong-ovate, curved, very 

 thin, hyaline, copiously minntely grained, posterior 

 side rather short, constrictedly beaked, tubidarly 

 gaping, margins pouted, anterior compressly rounded, 

 but little gaping. 



Hab. Moreton Bay, Australia. 



A very delicate hyaline shell, of characteristic form, the 



February, IS 63. 



