— 293 — 

 19. Columbella (Nitidella) densilineata Carpenter. 



Forma Nitid. inillepunctatae, sed anfractibus planatis et sutura indistincta; livida, 

 lineolis aurantio-fuscls longitudinalibua divaricatis confertim ornata. 

 Long. 0,25". 



Nitidella? densilineata Carpenter Ann. Nat. Hist. 1864 p. 48. 



Cap St. Lucas. 



20. Engina harveyana Baker. 



Shell turbinate; solide, straw coloured, with a white band just below the periphery. 

 "Whorls 4 + (the top of the specimen is broken ofFj, rounded, crossed by longitudinal 

 costae and spiral lirae; there are 7 large rounded strongish longitudinal costae, which are 

 crossed by 10 strong rounded spiral lirae, with a finer spiral line between; these spiral 

 lines on crossing the costae cut them in large quadrate nodules. Aperture very elongate, 

 about half the longitude of the shell, outer lip thickened, with 7 denticies upon the 

 inside, the three central ones occupying a small callus in the center of the lip; inner lip 

 provided with three faint tubercles near the lower end and a single large tubercle near 

 the posterior end of the aperture; there is a slight callus over the columella. Aperture 

 pinkish within; canal short, open; umbilicus none; tubercles lighter than the ground; 

 there is a light band just below the periphery on the last whorl. 



Long. 12, diam. 8 mm. 



Engina harveyana Baker Proc, Acad Philad. 1891 p. 61. 



Westafrika. 



21. Engina cumingiana Melvill. 



E. testa ovata, angulata, solida, gilva, apud apicem acuminata, anfractibus 6 longi- 

 tudinaliter paucicostatis, transversim liratis, in medio pallida fascia cingulatis; apertura 

 «onstricta, columella paullulum plicata, labro exteriore incrassato, denticulato. Melv. 



Long. 11,5, diam. 6 mm. 



Engina Cumingiana Melvill Proc. Mal. Soc. London I p. 226 t. 14 fig. 13. 



St. Thomas, Westindien. 



22. Columbella (Engina) natalensis Melvill. 



E. testa oblonga, fusiformi, solida, ad apicem attenuata, apud basim subcontracta; 

 anfractibus 7 longitudinaliter obscure costulatis, undique spiraliter tenuistriatis, albis, brun- 



