;504 



not very conspicuous ; ligament small, projecting ; inside whitish, 

 and distinctly marked with radiating lineoles ; teeth very small. 

 Boston. 



160. Tellixa ancilla (pi. Iviii. f. 94.) Ilaulei/, Zool. Proc. 

 1841. 



T. testa, oblongo-elongata, tenuiuscida, satis convexa, nitidissima, 

 extus intusque Candida, concentrice substriata, lineisque obsoletis 

 radiantibus ornatCx ; striis supra costani umbonalem subobsoletam 

 remotioribns, distinctis, subimbricatis ; margine ventrali subrecto ; 

 dorsali antice subdeclivi et convexiusculo, postice subrecto et de- 

 clivi; extremitate lateris antici producti rotundata; latere postico 

 breviore, obtuse cuneiformi. 



Elongated-oblong, thinnish, moderately convex, very glossy, 

 pure white botli within and without, with concentric striulse, 

 which are most perceptible at the nearly straight ventral margin, 

 and become subimbricated distinct and rather distant upon and 

 beyond the almost obsolete fold ; anterior side produced, its extre- 

 mity rounded, its dorsal edge slightly convex and not much 

 sloping; posterior side obtusely wedge-shaped, ligamental edge 

 straightish, tip rounded. 



Lord Hood's Island. 



161. TelliisaBodegensis (pl.lix. f.l02.) Hinds, Zooh Sul- 

 phur, vol ii. t. 21. f. 2. p. 67. 



T. testa oblongo-elongata, insequilaterali, sohdiuscula, compressa, 

 nitida, extus intusque Candida, concentrice et subimbricatim sul- 

 cata ; margine ventrali subrecto, antice sursiun accHnato ; dorsali 

 utrinque subrecto, antice vix minime declivi ; latere postico bre- 

 viore, cuneiformi ; extremitate antica rotundata j flexm-a obsoleta ; 

 ligamento satis prominente ; dentibus lateralibus nullis. 



Elongated-oblong, inequilateral, rather sohd, compressed, of a 

 glossy ivory white, with regular moderately distant concentric sub- 

 imbricated sidci, (wliich in the oidy specimen I have ever seen 

 disappear in one valve at the posterior end) ; the ventral margin 

 nearly straight, rising iii front, the anterior dorsal scarcely at aU 

 sloping ; posterior side the shorter, wedge-shaped ; front extremity 

 rather obtusely rounded; fold and flexure obsolete; ligament 

 moderately projecting; inside white; no lateral teeth. 



Russian Bodejas. 



162. Tellina Rhomboides (pi. Iviii. f. 92, 96, 97.) Quo?/ 

 and Gaim., Voy. Ast. Zool. vol. iii. p. 502. t.81. f.4-7 ; T. clathrata, 



