293 
19. Columbella (Nitidella) densilineata Carpenter. 
Forma Nitid. millepunctatae, sed anfractibus planatis et sutura indistincta; livida, 
lineolis aurantio-fuscis longitudinalibus divaricatis confertim ornata. 
LoDg. 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 denticlea 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 cuiningiana Melvill. 
E. testa ovata, angulata, solida, gilva, apud apicem acuminata, anfractibus 6 longi- 
tudinaliter paucicostatis, transversim liratis, in medio pallida fascia cingulatis; apertura 
constricta, 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- 
