S L E N. 



Species 7. (Mus. Brit.) 



SoLF.N ROSTUUM-ANATis. Sol. tcstA brcvi, puulo arcuaU't 

 siihius epidermidem pnrpnrev-Jasciatd, intil.i et ad 

 umbones roseo-purpured ; posticc mbattenuald et 

 planulald, margine ventrali medio convexiitsculo, 

 margine aniico devato, valde obliquo. Epidermide 

 nitenti, aureo-subviridi. 



The duck S bill Solen. Shell short, a little curved, 

 purple-banded under the epidermis, pinky purple 

 at the umboes and within ; rather tapering and 

 flattened posteriorly ; ventral margin rather convex, 

 anterior margin raised, very obliijue. l';]iideruiis 

 shining, greenish-gold. 



DuNKKK. Proc. Zool. 8i)c., l.SGl. 



llab. ? 



Species 8. (Mus. Brit.) 



Solen Delf.sskuti. Sol. tcstA brcri, redd, utrinqui 

 truncatd, tenuiter omnino rugatd, palUdd ; margine 

 antico elevato, canali profundo constrictn. 



Deles.sei!t'.s Solen. Shell short, straight, truncated at 

 both ends, finely wrinkled all over, j)ale ; anterior 

 margin elevated, con.strieted with a deep canal. 



CuKNU. Illustrations Conchyliologiques. 



IJab. ? 



This curious little Solen is wrinkled finely all over, 



and has a very strong stricture close to tlie anterior 



margin. 



Species 9. (Mus. Brit.) 

 Solen vttreus. Sol. parva, pallidd, tenui, pellucidd, 



rectiiisctcld, margine postico truncato ; margine 



antico obliquo, ad marginem ventralcm acclioi. 

 The glassy Solkn'. Shell small, pule, thin, pellucid, 



rather strai;;ht ; posterior iiKirgln truncated; 



anterior m;iigin oblique, sloped upwards at the 



ventral margin. 

 DuNKER. Proc. Zool. Soc, 1861. 

 Ilab. Malacca. 



This pretty little shell is so thin and transparent that 

 the complicated system of muscle and mantle-marks is 

 seen on the outer surface. 



Species 10. (Mus. Brit.) 



Solen Si.oanil Sol. testa recta, angustd, ulrinquc 

 truncatd, strigis niaculisqiie purpureis omnino varie- 

 gald ; margine. dorsali recto, area angustissimd ; 

 margine ventrali rectiiisculo, prope tenninvm anti- 

 cinn conlrneto ,• margine antico redo, canali cim- 



Sloane's SoLi'.N. Slipll .straiglit, narrow, truncated at 

 each end, varied in every part with purple stripes 

 and splits; dorsal margin straight, area very 

 narrow ; ventral margin rather straight, oontraeted 

 near the anterior end ; anterior margin straight, 

 contracted witli a groove. 



Gray. 



Solen rersirolor, I'hilippi. 



J/ab. .' 



A prettily varied shell. 



Species 11. (Mus. Brit.) 



Solen Jonesii. Sol. te.-td brevi, rectiitsculA, snbtu!! 

 epidermidem fuleo-grisescente, ad umbonem purpnreo 

 tinctd, post marginem purpureo uniradiatd ; mar- 

 gine antico incrassato, tilni dejiresso ; area umbonali 

 latd, area dorsali lineari ; margine ventrali prope 

 marginem anticum acclivi. 



Jones's Solen. Shell short, rather straight, under the 

 epidermis brovvnisli-grey, tinted at the umbo witli 

 purple, witli a ray of jiurple behind the margin ; 

 anterior margin thickened, then depressed ; iim- 

 bonal area broad, dorsal area linear, ventral 

 margin sloped upwards near the anterior margin. 



DuNKER. Proc. Zool. Soc, 1861. 



Hah. I 



April, 1874. 



