420 DR. DUNKER ON NEW SOLENACEA. [DcC. 10, 



Testa 115 mm. longa, 17 alta, 11 lata. A Solene vagina Linnsei 

 differt sulco multo rainore et leviore, necnou pictura. 

 Hab. Malacca {H. Cuming). 



7. SOLEN VITREUS, Dkr. 



Testa parva, brevis, linearis, lactea, pellucida, epidermide tenuis- 



sitna, pallide cornea, virescente induta, extus subcanalieulata, 



intus pauUulum incrassata ; extremitas postica acute truncata. 



Conchula modo 42 mm. longa, 10 alta, 6 lata, vitrea, valvulis 



fragilibus, tenuissirais, pellucidis insiguis est. Dorsum margiiii basis 



parallelum. 



Hab. Malacca {H. Cuming). 



8. SoLEN ASPERSUS, Dkr. 



Testa angusta, linearis, subarcuata, tenuis, Icevigata, nitida, mo- 

 dice convexa, antice truncata, postice paidlo rotundata, albida, 

 maculis irregularibus purpureo-fuscis adspersa ; epidermis te- 

 nuissima, deeidua, diaphana, vitrea; extretnitas antica leviter 

 canaliculata, pauUulum coarctata. 

 Hsec species 85 mm. longa, 12 alta, 8 lata, a Solene philippiano 

 Dkr. (vaginoides, Phil, non Lam.) forma angustiore, parte postica 

 siibattenuata, valvulis Isevigatis et epidermide tenuiore, quasi vitrea, 

 satis differre videtur. Quaenam sit species Solen pictus Philippii 

 (Zeitschr. f. M. 1848, p. 174) discernere non potui ; hsec autem a 

 nostra specie forma cylindracea, abbreviata, canaliculo omnino carente 

 abhor ret, 



Hab. Australia {Mr. Strange). 



^ 9. Solen pfeifferi, Dkr. 



Testa linearis, brevis, paullo curvata, solidvla, convexa, alba, area 

 zonis fidvis picta; margines dorsi et basis exacte paralleli, 

 aliquantulum curvati, extremitas antica oblique truncata, sul- 

 cata, supra et infra obtusa ; extremitas postica rotundato-trun- 

 cata, margini antica subparallela ; epidermis olivacea. 



Species parva, callosa, 52 mm. longa, 10 alta, 7 lata. 



Hab. Caraccas, West Columbia (//. Cuming). 



10. Solen woodwardi, Dkr. 



Testa linearis brevis, paullo curvata, plano-convexa, Icevis, antice 

 abrupte truncata, postice rotundata, sordide alba, epidermide 

 cornea nitida induta ; margo dorsi et basis pcene omnino pa- 

 ralleli. 



Species parva 53 mm. longa, 12 alta, 7 lata, uuicolor, ad eos 

 Sole7ies pertinet, qui canaliculo levi in margine antico gaudent. 



Hab. Ad insulam Zebu Philippinarum (//. Cuming), 



11. Solen rostrum-anatis, Dkr. 



Testa recta lineari-ovalis, convexiuscula, antice declivis, subrotun- 

 data, postice producta, pauUulum attenuata, cequaliter rotun- 

 data, intus extusque purpurea, striis incrementi tenerrimis stri- 

 gillisque nonnullis ab apicibus radiantibus instructa, epidermide 



