692 



46. Tapes maxima (pi. cl. f. 127), Philippi (Venus), Ab- 

 bild. t. 0. f. 1. 



T. testa magna, ventricosa, pallide fulva, ovali-subquadrata, in- 

 tiis alba, pallide purpureo tincta, concentrice costelbs numerosis 

 crebris, postice subelevatis majoribus lirata ; ligamento magno. 



This large shell is of a squarish-oval form, white inside, pale 

 fawn outside. The riblets are rather coarser at the back. It dif- 

 fers from T. opaca inasmuch as its whole surface is concentrically 

 striated or ribbed, and it is more ventricose. 



Locality unknown. 



47. Tapes lithoidea (pi. cl. f. 126), Jonas (Venus), Philippi, 

 Abbild. Venus, t. 4. f. 1. 



T. testa alba, T. opaca; simili, sed omnino laevigata. 

 Like T. opaca, but smaller, and without the raised lines which 

 characterize the anterior portion of that species. 

 Copaipo, Chili. Jonas. 



48. Tapes purpurata (pi. cl. f. 124, 125), Sowerby, jun. 



T. testa ovali, subcompressa, alba, intus purpurea, irregulariter 

 et subuudulatim concentrice costellata; latere postico longiore, 

 obtuse subtruncato ; latere antico brevi, rotundato. 



Like T. maxima, but of much smaller growth, and more oval. 

 The inside is of a very deep purple colour. 



Kurachee, mouth of the Indus. 



49. Tapes intermedia (pi. cxlvi. f. 39, 40), Quay, Astrol. 

 t. 84. f. 5, 6. Venus ignobilis, Anion, Philippi, Abbild. t. 6. f. 2. 



T. testa ovali-subquadrata, pallide fulva, minutissime radiatim 

 striata, concentrice costellis irregularibus subundulatis, postice 

 sublaminatis, ad angulum complanatis lirata ; latere postico lon- 

 giore, angulato, oblique truncato, antice brevi, superne declivi. 

 Var. testa parva, subrotundata. 



Of an oval subquadrate form, very minutely and radiately 

 striated, with concentric, rather undulating riblets, which are 

 rather laminated behind the posterior angle and peculiarly flat- 

 tened near it. 



New Zealand. 



50. Tapes geographica (pi. cxlix. f. 87 to 91), Chemnitz, 

 vol. vii. pi. 42. f. 440. Var. Venus glandina ? 



T. testa elongata, subangulata, minute decussata, pallide fulva, 



