92 BUI.LETIN 39 264 



bluntly pointed; 1-3 or less the total length. 



Olivella limonensis and varietj^ bocas- 

 ensis, n. sp. and var. 

 BB. Shell Vv'ith a longer spire, often sharply point- 

 ed, 



C. Shell rather broad, with a heavy cal- 

 lus about the upper part of the inner 

 lip and extending partl}^ over the pen- 

 ultimate Vi^horl. Length 12 mm. plus. 

 Olivella muHcoides Gabb. 

 CC. Shell slender, with a long, pointed 

 spire; callus about the upper of the 

 inner lip, slight. 

 Olivella Botissaci Cossmann, var. 

 Oiivefia goliath, n. sp. Plate 7, figures 22, 23 



Shell large, vs^ith a long, pointed spire of about yi of the to- 

 tal length of the shell; whorls about 6, with plain, nearly straight 

 profile; sutures linear; last whorl with the greatest convexity 

 about the middle; aperture subelliptical, broadest in front; in- 

 ner lip with a thin, fiat callus and with 3 small plaits below. 



Length 26, diameter 10, last whorl 20, spire 13 mm 

 23 8.5 18 12 mm 



An unusuall}^ large species, represented by two specimens 

 from Red Cliff Creek and Banana River. Its general form is that 

 of O. indevisa Gupp}^ and O. Boitssaci Cossmann, but nearly 4 

 times as large. 



Gatun Stage: Ba^iana River. 



Coll. 5, Red Cliff Creek, C. R. 



Olivella muticoides Gabb Plate 7, figures 11, 14, 17, 18 



Oliva muticoides Gabb, 1873. Trans. Amer. Phil. Soc, vol. 15, p. 



215. 

 Olivella niutica variety 'muticoides Dall, 1890, Tarns. Wagner Free, 

 In.st. Sci. , vol. 3, pt. I, p. 45. 



