48 



10. C. jjlicatulam Pfr. — T. sultperfornla, ol)longo-tinMita, 

 subdocollata , (cnuis, longiludinalilor confertim plioa- 

 tiila, diaphana, corneo-albida, fasciis laliusculis casta- 

 neis, articulatis ornata; anfr. 6 convexi, regularitcr 

 accrescenles , ultimus l>reviter solutus, rotundatus, 

 circa perforad'onem obsoletam spiraliter sulcatus; 

 apertura verticalis, oblique elliptica; licrisl. simplex, 

 vix c'xpansiusculuiii, supcnie angulatum. — Long. 21, 

 diaiu. 10 mlll. 



liabilat . . .? (toll. v. d. Busch). 



Diagnosen ueiici* Coiicliylien. 



Vom Dr. W. D unk er. 

 i. Ostrea Cnnmifjiana Dltr. — O. socialis testa crassa 

 inaequivalvi ovato-obliqua vel subrotundata, sordido 

 alba, intus alba et atro purpurea, plicis radiantibus 

 validis obtusis rugosis et lamelloso-iiubricatis instructa; 

 valva superiore subconvexa seu piano concava, inCe- 

 riore valde concava, umbone sinistrorsum inclinato; 

 impressione musoulari magna oblique rotundato-ovata, 

 margine palliari valvae superioris subgranosa. Alt. 

 3" 9'", long. 3" 2'", crass. 1" 10"'. 



Patria ignota. 

 2. Tell'ma Meyeri Dkr. — T. tosta rolundato-ovata, tenui, 

 aequivalvi, inaequilatera, piano -convexa, alba, nitida, 

 concentrice striata et sulcata, antiee producta orbieulari, 

 postice brevior subattenuata rotundata; margine cardi- 

 nali antica excavata, postica subarcuata; umbonibus 

 parvulis sul)acutis antrorsum indinatis, plica magna 

 pone illos ad baseos posticam partem subsinuatam 

 decurrente; lunula angustissime cordiformi- area lan- 

 ceolata; ligamento lineari, longo, immerso. — Dentes 

 cardinales in valva utraque duo, anticus sinistrae et 

 posticus dextrae bifidus; dentes laterales nuUi. 



Long. 1" 11'". Long. alt. crass. = 100:78:30. 



Patria : Indiae orientales. 



Diese beiden Arten »erden in den iiäclistcn Heflen von Philippi's Abbildungen etc. 

 abgebildet werden. 



Druck und Vorlag von Theodor Fischer in C.issel, 



