Naturgeschichte der Mollusken \Tährend des Jahres 1845. 43g 



in den Mund gebracht wird. (Report of the iifteenth Meeting 

 of the british associatiou for the advancement of science held 

 at Cambridge in June 1S45. p. 66; Aunals XVI. p. 124. 



Koch stellte in der Küster'schen neuen Ausgabe des Martini- 

 Chemnitzschen Conchylien-Kabinets eine neue Gattung Aenigma in 

 der Nähe von Anomia auf: testa iuaequivalvis, plus minusve regula- 

 riter elliptica vel oblonga. Valva superior vertice incumbente ad 

 marginem cardinalem, acuto, subprominente, a margine remoto; in- 

 cisione instructo. Valva inferior tenuissima, afflxa, perforata, nati- 

 bus 6ssis, et plica respondente incisioni valvae superioris praedita. 

 Ligamento interno. Die vier Arten J. rosea (Teilina aenigmatica 

 Chemn), reticulalum Koch von den Philippinen, convexum Koch 

 nud corrogatum Kocli von den Sandwich-luseln, sind auf einer Ta- 

 fel abgebildet. 



Pecten immacnlatiis Recluz Guerin Mag. de zool. 1845. pl. 114 

 sehr klein, vom Ind. Ocean. — P. Mac Gillivraii Edmondston von 

 Aberdeen Annais XV. p. 250. — P. australis und 7iatans Philippi 

 dies Archiv 1845. I. p. 56. 



Lima pygmaea Philippi dies Archiv 1845 p. 56. 



Anodonta regularis Morelet 1. c. testa ovato-oblonga, ventri- 

 cosa, fragili, vix alata; anterius breviter ovata; posterius subdilitata; 

 inferius regulari; umbonibus tumidis, decorticatis; epidermide lamel- 

 liformi, nigro-virescente. — A. fnacilenta ib. testa oblongo-depressa, 

 alata, transversim carinata, rnstice sulcata, laevigata, mediocriter 

 crassa, viridi-fuscescente; anterius vix producta, rotundata; posterius 

 obtuse truncata; inferius saepius sinuata; umbonibus compressis; 

 pube carina circumscripta. — A. tusilanica ib. testa elliptleo-elon- 

 gata, tumidiuscula, solida, rugoso-strigata; anterius anguste producta; 

 posterius obtuse truncata; margine superiore adscendente; umboni- 

 bus parum eminentibus; epidermide olivaceo, posterius largiter ra- 

 diato, — A. ranarum ib. testa elongata, depressiuscula, sulcata, te- 

 nui, anterius parum producta; posterius rostrata; margine superiore 

 horizontal!, vix alato; epidermide viridi vel flavescente; posterius 

 obscure radiato. 



Vnio Wolwichii Morelet 1. c. testa ovato-compressa, carinata, 

 subauriculata, tenuissime striata, nigra; latere antico sinuoso-rotun- 

 dato; postico producto, incurvo; margine dorsali compresso; umbo- 

 nibus depressis; dcnte rardinali in valvula dextra subbifido, lamelli- 

 formi, eminente, incurvo; in sinistra triangulari; in utraque valde 

 anteriori. — V. irislit ib. testa ovato-compressa, subcarinata, rari- 

 sulcata, laevigata, atcrrlma; anterius rotundata; posterius producta, 

 sinuoso-attcnuata; margine dorsali acuto; umbonibus valde depressis; 

 dentc cardinali in valvula dextra simplici, obtusiusculo; in sinistra 

 subapiciali, crenulato; lamina in utraque simplici — V. dacli/lus ib. 

 testa cylindracea, f rassiuscula, fusca, fulvo-lutesccnte longitudinaliter 

 zonataj aoterius vix producta, rolundataj posterius ovato-tiuucata ; 



