62 



Hah. Tumbez, Peru; soft sandy mud, five fathoms. 



Var. Testu magiš trigond, suleis confertis, imdique exaratd. Long. 

 1-20; lat. 1-80 poli. 



Hab. Chiriąm, West Columbia ; sandy mud, three fathoms. 



The ragged primary teeth, the large and elongated ligament, and 

 tlie either smooth or closely sulcated surface, distinguish it from any 

 of the allied species. 



Tellina princeps. Tel. testd oblongo-elUpticd , ceguilaterali, solidd, 

 compressd, nitidiusculd, intus extusque roseo-purpurascente, con- 

 centrice sulcatd ; striis exiUbus, profundis, radiantibus, sulcos 

 conf ertos utringite (et alterd in valvuld undicue) decussantibus ; 

 margine ventrali subrecto, dorsali utrinque leviter et aqualiter 

 subdeclivi ; extremitate posticd, obtusissime angulatd ; flexvrd ven- 

 trali costdque umbonali obsoletis ; Ugamento prominente ; dente 

 laterali antico approximato, postico purvo, remoto, inconspicuo. 

 Long. 2 ; lat. 3-50 poli. 

 Hab. Tumbez, Peru ; soft sandy mud, five fathoms. 

 Although uot easily confused w-ith any of that section (with two 

 lateral teeth) to which it belongs, it closely resembles Tellinides pur- 

 purascens. 



Tellina Sowerbii. Tel. testd subellipticd, subin<equivalvi, tenui, 

 compressd, Itevigatd, poUtd, candidd ; margine ventrali arcuato, 

 postice sursiim acclinante ; dorsali antice vix paululiim declivi, 

 convexiusculo, postice paululiim declivi, prope nates subincurvato, 

 deinde convexo ; latere antico longiore, stibproduct o, postico rotiin- 

 dato-acuminato ; Ugamento parvo, angustissi77io, in/osso ; fleiurd 

 ventrali costdque umbonali subinconspicuis ; superjicie internd 

 albidd, j)lerumque aurantio tinctd ; dentibus lateralibus tenuibus, 

 subcequidistantibus. Long. 2; lat. 330. 



Hab. ? Mus. Sowerby, Hanley. 



Bears a slight resemblance to the actita of Wood. 



Tellina pudica. Tel. testd parvd, solidd, ovato-subtrigond, sub- 

 cequilaterali, nitidd, candidd, subl(evigatd, tenuissimi concentrice 

 striutd : margine ventrali antice arcuato, postice subito svrsiim 

 acclinante ; dorsali utrinque valde declivi, antice convexo, postice 

 elongato, subrecto ; latere antico pauhilum breviore, subventricoso, 

 rotundato ; j^ostico compresso, rostrato ; extremitate posticd sub- 

 acuminatd ; tiatibus prominentibus ; flexurd ventrali costdque um- 

 bonali subiticonspiciiis ; Ugamento minimo, in/osso; superjicie in- 

 ternd politii ; dentibus lateralibus distinctis, subapproximatis, 

 sub(Bquidistantibus . Long. O' 30 ; lat. 0'40 poli. 



Hab. Catbalonga, isle of Samar ; ten fathoms, soft mud. 



A stout little shell, possessing the general contour of a Ketera, and 

 not easily to be confused \vith any species of this genus. 



Tellina nux. Tel. testd obovali, subin<equivalvi, subeeguilaterali, 

 tenui, conveid aut subventricosd , nitidd, sublcevigatd aut inferne 

 concentrice substriatd, intus extusque albidd, umbonibus hyalinis et 

 fulvis ; margine ventrali subarcuato, dorsali utrinque convexo, satis 



