ANA T I N E L L A. 



Gmius ANATINELLA, Sowcrl;/. 



Testa tiaiisverne ohtonyn, ceqiiiralvis. tentii.i, cpiihriiiidc 

 temii iiiduta, alba, postire pauld hians. Can/n 

 aiif/iistiis, pt-ocessn covhleanformi cartiluyinem 

 fevcnti medio in utrdquc valva affu-o, dentibus 

 (■ordinal ibim duohus parvis ante processmn ponitis. 

 Ini/ii-i.-ifioHes mnscniarex diw (/tie oblonc/tc. Impt-essio 

 pallii intcgra. 



Shell trausversel}- oblong, et|uivalvc, thin, covered witli 

 a thin epidermis, white, a little gaping posteriorly. 

 Hinge narrow, with a cartilage holding spoon 

 shai)ed process fixed in the middle of each valve, 

 and two small cardinal teeth placed before the 

 ])rocess in each valve. Muscular impressions two, 

 oblong. Impression of the mantle entire. 



This interesting genus of Anatina-like .shells i.s alike 

 in both valves, having a spoon-sliaped process in each, 

 thus diifering from Mi/a, which ha.s that provision onl}' 

 in one. Lutraria lias both, but differs in obvious par- 

 ticulars, and Analina proper is characterized by a similar 

 contrivance, and also by a sort of strengthening rili 

 under the uml)ones. China, Ceylon, and the Pliilip I 

 pines, are the known localities of the few species 

 with which we are actpudnted. 



Species 1. (Fig. «, b, Mus. Norris.) 

 .\nati\kli,a SilcmuLDll. Ana. Iish'i fib-oratii, snb- 

 iv'/ui/att-'rali, ventricosd ; ininutissinii radiatim 

 striata ; latere antico rotimdo, latere postico ad 

 tenninum tnoicato oblique mli-ammto ; iiKirijine 

 dorsali depresso; margine vcntra/i ijyjiialitcr cniire.ni : 

 processu in utrdque valvd miKjno. 

 Siebbald's An.^tinella. Shell subovate, sube<|ui- 

 lateral, ventricose ; very minutely radiately 

 striated ; anterior side rounded, posterior side 

 truncated at the end ; dorsal margin depressed ; 

 ventral margin equally convex : process large in 



identical 

 much n: 

 lateral. 



N >upposed Ijy some Conchologists to be 

 Mi/.> .-aiidlda of Chenmitz, but it is 

 te in form, besides being nearly cipii- 



Speeies ■>. (Mus. Brit.) 

 .\n.\tini:i.i.a csxihua. Ana. t> alii oldoni/ii. iiic/'ii 

 lateral/, radiatim niiniiti xrrn(fi-.-'lriat,} .- lain- 

 Jiostico prodnrti), aii<iu<ito, obli'/iii tniiinit,,. riii//(ili/ 

 (iiiite rarinato, viargine ventrali ruldr xiii-.^tiin arclir. 

 tiint injlatd, versus ante iiiediiini sidicaiiliarto ■ lain 



anticd bvi 



pre 



urdiiKtli 



Tin: wiiiTK Axatixi;lla. Shell oblong, inequilateral, 

 radiately minutely .serrato-striated ; pcsterior 

 side produced, narrow, obliipiely truncated, ra- 

 diately sharply keeled, ventral niargin iinuli 



•d up 



(Is, then inflated, slightly 

 liddle: anterior side short 



each 



I'ERBV. 



L'uera of Shelb. 



A. .\i.AM.s. Proc. /.ool. Soc, 18.-.(), p. 41. 

 IM,. China. 



S...vies ;l. (Mus. i5ril.) 



AXATIM.I.LN Vl.NII.-lcuSA. A„„. I, St,} (,/,lnn;/,;. r.ddr 

 i,i,r</)idal,n,/i, radial,,,, „,i,i„l, scrala-st, iat.) ; 

 la/,T, jii.stirn ,,„./iisl„, a/l(i,i,at,,, o/diijiii trmiralo. 

 (,/,.-:,■„,■; ,a,ii,at„ : v,a,;f,„[ r,nl,-ali sii,si(„, arrlici. 

 nadia cnntiv'to ; latere a „A„;, lata, s„/„vt„nd„, 

 injlato. 



Tin: \K.Nri:ic<isi; .Vxatixella. Shell oblong, very ia- 

 e(|uilateral, radiately minutely serrato-striated; 

 posterior side narrow, attenuated, oblicjuely trun- 

 cated, obsctn-ely keeled ; ventral margin sloped 

 ujiwards, contracted in the middle ; anterior side- 

 broad, rather round, inflated. 



A. Adajis. Proc. Zool. Soc. 1851, p. 41. 



Hab. Puteao, Philippines. 



More elongated and unecpially inllated than Anatinrlhi 



Candida. 



August, 1873. 



