390 MESSBS. MBLVILL AND STANDBN ON [June 18, 



Pyramidella maculosa Lam. (=P. acus Gtnel,). 

 P.Gr. Off Shaikh Shuaib Island. In 7 fathoms ; mud, sand, and 

 stones, I. Karachi. 



Pyeamidblla pitlchella a. Ad. 

 P.G. Kishm Island. In 6 fathoms, mud. 

 M.C. Charbar, I. Bombay (Abercrombie). 

 Considered a Syrnola by some authors, but there exist two 

 columellar plications. 



Pybamidella (Lonch^us) sulcata a. Ad. 



P.Gr. Maskat. In 10 to 15 fathoms, loose stones and muddy 

 sand. 



Pyeamidblla (Otopleuea) mitealis A. Ad. 



P.Gr. Kais Island. In 5 to 10 fathoms, coral-sand. 



M.C. Charbar. Dead specimens. 



Pyeamidblla (Otopleuea) peopinqua A. Ad. 

 P.G-. M.C. I. Karachi. 



Syenola beunnea a. Ad. 

 I Karachi, rare. 



feYBNOLA CINCTBLLA A. Ad. 



P.G. Kishm Island. In 6 fathoms, mud. 

 M.C. Charbar. I. Karachi. 



Syenola blegans a. Ad. 

 M.C. Charbar. 



I. Karachi. Dredged amongst muddy sand and shingle, 7 

 fathoms. 



Syenola karachiensis Melv. 

 M.C. Charbar. 



I. Karachi. Amongst weed and mud on rocks at low tide. 



Syenola mekeanica, sp. n. (Plate XXII. fig. 21.) 

 S. testa graeillima, nitida, Icevisslnia, attenuata, Candida ; anfracti- 

 bus 11 1, quormnl^ apieales, heterostrophi, globulares, crystallini, 

 cceteris ad siituras subimpressis, vix ventricosis, perlavibiis, supra 

 suturas spiraliter anguste unifilosis, Jilo rufo, interdum ad 

 medium intends lineis lacteis accinctis, ultimo ad medium, simul 

 ac versus basini, bijiloso; apertura ovata,peristomateferecontinuo; 

 columella incrassata, alba, obliqua, fortiter uniplicata. 

 Long. 7, lat. 1-75 mm. 



Hob. Charbar. 7 fathoms. 



Allied to S. subidina Ad., from Japan, but considerably larger. 

 It is a graceful species, narrow, attenuate, shining, 11 to 12- 

 whoi'led, the protoconch heterostrophe, vitreous, globular ; the rest 

 of the whorls smooth, hardly ventricose, once spirally rufous- 

 threaded or banded, just above the sutures, on the last whorl there 



