8ö. Venus eximia Ph. 



V. testa siiblriangulari, cordata , albida, slrigis rufis 

 in ziczac flexis ornata, vcl rufescente subunicoloro; 

 lamellis fransversis crectis confertis crcnatis sculptaj in- 

 leistiliis radialim striatis; extremilate antica rotundata, 

 postica elongata 5 rostrata; margine postico dorsali parum 

 convexo; lunula cordata , sulco profiindissimo cincfa, plana, 

 lamellosa; area lanceolata, laevi, in valva sinistra diiplo 

 latiore, slrigis rufis picta ; margine interno crenato. Long. 

 37'"; alt. 2^'"; crass. 22'". 



Patria : Indine Occidentales. 



Si)ecies nostra simillima V. L n m a r c k i i G r a y C. c a n- 

 cellatae Pfr. Krit. Regist., (Cliemn. V. fig. 306. 307), sed 

 diversa l)magnitudine longe majore; 2)lunula minore,minus 

 impressa, lamellosa, nee radiatim striata; 3) striis radiantibiis 

 confertioribus, minus distinclis, lamellisque transversis fre- 

 quentioribus; 4) cardine tridentato, absque ullo vestigio den- 

 tis lunularis. — Pagina interna alba , .sinus palliaris acutan- 

 gulus parvus, impressionem musculi adductoris adjacen- 

 tem vix aequans. In valva dextra <lens posticus cardinis 

 maximus, .subbifidus, in sinistra dens posticus minimus, 

 medius maximus, bifidus. 



26*. Fenns amabüis Ph. 



V. testa ovato-oblonga, carnea, radiis obscurioribus 

 obsoletis, strigisque violaceis ziczacformibus picta; liris 

 transversis regularibus elevatis, planis, interstitiis latio- 

 ribus pulcherrimc sculpta; margine ventrali regulariter 

 arcuato, antice adscendonle; dorsali anfico concavo; lunulae 

 lanceolatac labiis vix elevatis. Long. 31'"; alt. 21'/2"'i 

 crass. 1272'"- 



Patria . . . 



Difiert a V. papilionacea Lamk. seu ro tun data 

 L. : margine ventrali magis arcuato, unde testa magis 

 alta; scul[)tura valde diversa; lunula brevioi'e, non con- 

 cava. A V. euglypta discrepat: margine ventrali 



<i 



